Defects in computer hard-drives will usually render the entire computer worthless. For a particular model, the percent defective in the past has been 1%. If a sample size of 400 is taken, what would the 95.5% lower control chart limit be?

Answers

Answer 1

Answer:

0.00005

Step-by-step explanation:

We have the average fraction defective as p = 1%

= 0.01

N = 100

Then 95.5% deviation = 2σ

From there we have,

σ = √p*(1-p)/n

When we input these values, into the formula, we will have

σ = √0.01(1-0.01)/100

= √0.01(0.99)/100

= √0.000099

= 0.00995

The LCL = p - 2σ

= 0.01 - 0.00995

= 0.00005

lower control chart limit be is 0.00005

Answer 2

The 95.5% lower control chart limit be is 0.0005.

Given,

The average fraction percent in the past defective as p = 1%  = 0.01

Sample size N = 400

Then ,

According to the question ,

95.5% deviation = 2x

We have,

x = [tex]\frac{\sqrt{p (1-p)} }{n}[/tex]

We put these values, into the formula,

x = [tex]\frac{\sqrt{0.01 ( 1 - 0.01) } }{400}[/tex]

= [tex]= \frac{\sqrt{(0.01) (0.99)} }{400}[/tex]

= [tex]\frac{0.99}{400}[/tex]

= 0.0000245

The LCL = p - 2x

= 0.01 - 0.0000245

= 0.00005

The Lower control chart limit be is 0.00005

For the more information about Standard deviation click the link given below.

https://brainly.com/question/23907081


Related Questions

MOVIES Marcus is a member of a theater club. He pays a monthly fee and his movie tickets are then $5 for an unlimited number of movies that month. The graph shows the cost for each month. Find and interpret the rate of change and the initial value. ​

Answers

Take a picture of you graph so I can assist you

there are 30 students in class. 18 of them are wearing plaid. what percentage of students are wearing plaid for spirit week?

Answers

Answer:

The answer is 5.4%

Step-by-step explanation:

30 of 18 is 5.4

Find the value of x. Round to the nearest degree.
15
12

Answers

Answer:

153 degrees

Step-by-step explanation:

15+12=27

180-27=153

The gypsy moth is a serious threat to oak and aspen trees. A state agriculture department places traps throughout the state to detect the moths. When traps are checked periodically, the mean number of moths trapped is only 0.4, but some traps have several moths. The distribution of moth counts is discrete and strongly skewed, with standard deviation 0.6. (a) What are the mean and standard deviation of the average number of moths x in 45 traps

Answers

Answer:

Mean = 0.4

Stand deviation = 0.08944

Step-by-step explanation:

1.

This question tells us that the mean of trapped moths is only 0.4

Therefore the mean = E(X) = 0.4

2.

The standard deviation of the sample mean is

= σ/√n

σ = 0.6

n = 45

When we put these values into the formula we will have:

0.6/√45

= 0.6/6.708

= 0.08944

So in conclusion, the mean is 0.4 and the standard deviation is 0.08944.

Thank you!

4. In a normal distribution with u=150, o = 12.5 find P(x < 145).

Answers

Answer:

i know it hard but i know u get there

39.4 x 1.7 I don’t how workout this out

Answers

Answer:the answer is 66.98

Step-by-step explanation:

X+8=13
That’s my question

Answers

x+8 = 13
subtract 8 from both sides
x= 5
hope this helps! please mark brainliest

Answer:

x = 5

Step-by-step explanation:

x + 8 = 13

x = 13 - 8

x = 5

Hope this helps :)

Three questions Please HELP!
At which point do the equations y=−2x+10 and y=x+4 intersect?(1 point)

(1,6)

(2,6)

(2,5)

(1,5)

2.If the two lines y1=−12x+5 and y2=2x+5 were to be graphed, what would their intersection point represent?



(1 point)

Their intersection point is the only point where different inputs into both functions yield different outputs.

Their intersection point is the only point where the same input into both functions yields different outputs.

Their intersection point is the only point where different inputs into both functions yield the same output.

Their intersection point is the only point where the same input into both functions yields the same output.


3.Given an equation y=−13x+5, explain the steps for using slope-intercept form to graph this equation.(1 point)

Use the y-intercept to plot the point (5,0). Then, using the y-intercept as a reference point, move right 3 units and up 1 unit, and plot a second point.

Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 1 unit and up 3 units, and plot a second point.

Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 3 units and up 1 unit, and plot a second point.

Use the y-intercept to plot the point (5,0). Then, using the y-intercept as a reference point, move left 3 units and up 1 unit, and plot a second point.

Answers

Answer:

2,6

Step-by-step explanation:

Answer:

1. (2,6)

2. C

3. B

Step-by-step explanation:

y = - 2x + 10

y = x + 4

SInce the two equation both equal y, we can said they are equal.

- 2x + 10 = x + 4

      - 10        - 10

- 2x = x - 6

- x     - x

- 3x = - 6

/-3        /-3

x = 2

Then we plug the x value into the equations and we will get the point that intersects y=-2x+10 and y=x+4.

- 2(2) + 10 = 2 + 4

- 4 + 10 = 6

6 = 6

This is true since both sides are equal.

The point that intersects y=-2x+10 and y=x+4 is (2,6).

2. If the two lines y1=−12x+5 and y2=2x+5 were to be graphed, what would their intersection point represent?

C) Their intersection point is the only point where different inputs into both functions yield the same output.

Ex: y=-2x+10 and y=x+4 both have the same solution which is (2,6).

3. Given an equation y=−13x+5, explain the steps for using slope-intercept form to graph this equation.

y = - 1/3x + 5

y = - 1/3(0) + 5

y = 5

Point: (0,5)

Slope: - 1/3

Rise over run (y/x) so up 3 and left 1.

B) Use the y-intercept to plot the point (0,5). Then, using the y-intercept as a reference point, move left 1 unit and up 3 units, and plot a second point.

Pls answer I will mark

Answers

It’s C or 6x-4=8. Just count the sticks as x and the squares as units.

Answer:

c. 6x - 4 = 8

Step-by-step explanation:

Please help meeeeeee will brainliest

“ Create two whole number division problems that have a quotient of 9 and a remainder of 5. Justify which is greater using decimal division”

Answers

Answer and equation: If we choose two whole numbers; 8 and 10

We want to divide certain numbers by 8 and 10 to get 9 remainder 5.

In this case; 77 divided by 8 is equal to 9 rem 5

and 95 divided by 10 is equal to 9 rem 5

To justify which is greater, we use decimal division;

= 77 divided by 8 we get 9.625 ( 77 ÷ 8 = 9.625)

and

= 95 divided by 10 is equal to 9.5 (95 ÷10 = 9.5)

Therefore; the first case is greater since 9.625 is greater than 9.5

That is; 9 rem 5 got after dividing 77 by 8 is greater than 9 rem 5 got after dividing 95 by 10.

Solve |x| > 5

{ x| x < -5 or x > 5}
{ x|-5 < x < 5}
{-5, 5}

Answers

Answer:

x>5

Step-by-step explanation:

|x| its absolute value so it stays the same X

For a specific location in a particularly rainy city, the time a new thunderstorm begins to produce rain (first drop time) is uniformly distributed throughout the day and independent of this first drop time for the surrounding days. Given that it will rain during some period on both of the next two days, what is the probability that the first drop of rain will be felt between 9:15 AM and 2:50 PM on both days

Answers

Answer:

The required probability = 0.0541

Step-by-step explanation:

From the given information:

The probability that it will rain throughout the day is uniformly distributed & independent of the surrounding days.

Assuming that (P₁)  represents the probability that it will rain between 9:15 am to 2:50 pm on day 1.

The time interval is 5 hours 35 minutes long.

= 5.583333 hours long

Thus;

P₁ = 5.583333/24

P₁ = 0.2326

Assuming that (P₂)  represents the probability that it will rain between 9:15 am to 2:50 pm on day 2.

P₂ = P₁ = 0.2326

Therefore, the total probability = P₂ × P₁  (independent events)

= 0.2326 × 0.2326

= 0.05410276

0.0541

 

what will be the value of d when an airplane flies at 420 miles per hour for three hours?

Answers

Answer:

1260 I think

Step-by-step explanation:

because if the airplane is travelling at 420 mph for THREE hours then 420x3=1260

Whats the GCF of 42x and 56

Answers

Your answer is going to be 14

WILL GIVE BRAINLEST PLZZZ HELPP MEEEE

Answers

Answer: its C

Step-by-step explanation:

Graph y=6x + 2 −3x2

a =

b =

c =

Answers

Answer:

Graph y=3x^2+6x-2. y=3x2+6x−2 y = 3 x 2 + 6 x - 2. Find the properties of the given parabola. Tap for more steps... Rewrite the equation in vertex form.

Step-by-step explanation:

Then plug this x back into the original equation, y=3x2−6x−2

Y=2x + 4? What type of graph represent the solutions of the equation

Answers

Answer:

Ummm Linear? Up 2 Over 4

Step-by-step explanation:

What's a common denominator for 1/2 and 1/14 SOMEONE PLEASE HELP IM ABOUT TO TAKE A TEST!!!!!!!!!!!

Answers

Answer: common denominator between 2 and 14 is 28 add 14 twice and you’ll get an even number now find out how many times you multiplied by two

Step-by-step explanation:

Answer: a common denominator for 1/2 would be 4 and for 1/14 it would be 28

Step-by-step explanation: to find common denominator you can either multiply or divide, but in this situation since the numerator is one you can only multiply. i chose to multiply them by 2.

1 x 2 = 2 = 2/4

2 x 2 = 4

1 x 2 = 2 = 2/28

14 x 2 = 28

Nadia is a stockbroker. She earns ​a 12% commission each week. Last​ week, She sold ​$7500 worth of stocks. How much did make last week in​ commission? If she averages that same amount each​ week, how much did she make in commission in​ 2011?

Answers

Answer:900

Step-by-step explanation:

WILL GIVE BRAINLIEST. It is also worth 34 POINTS!!! PLEASE HELP!!!! Please respond in full sentences. I appreciate your help. Thank you!!

Answers

Answer: 1 orange would be 50 cents.

b) the ordered pairs 12,10 means that there are 12 pounds of oranges and they cost $10 dollars

Step-by-step explanation:

Select all ratios equivalent to 3:2.

2:12 18:14 27:18

Answers

Answer:

27:18.

Step-by-step explanation:

27/9 = 3

18/9 = 2

Answer:

27:18

more equivalent ratios:

6 : 4

21 : 14

Which equation below matches the relationship shown in the table?

Answers

Answer:

y = 3x + 0.5

Step-by-step explanation:

Use the line tool to graph the equation on the coordinate plane.
y = 3/4x

Answers

Step-by-step explanation:

in the equation y=mx+b, m corresponds to the slope, and b corresponds to the y-intercept. Since b is 0 at this case, we will start at (0,0). From here you can graph the line with the slope. Since it is 3/4, you would move up 3 units, and to the right 4 units to end up with the point (4,3). Now you have the two points (0,0) and (4,3), so all you need to do is connect them to form the line.

What is the yintercept of f(x) = (1/4)^x

Answers

Answer:

(0,1)

Step-by-step explanation:

Answer

Answer:

(1/4)^x

Step-by-step explanation:

Look at the graph

1.) Look at the figure below.
A
+5
3x
B
What is the measure of ZB?
A 35°
B
71°
С
760
D 105°

Answers

Answer:

D

Step-by-step explanation:

The ratio of boys to girls in a choir is
3 to 8. There are 32 girls in the choir. How many
members are in the choir?

Answers

Answer:

there are 12 boys because 32/8 =4 and the ratiots 3 to 8 which means you need to multiply 3 by 4 which gives you 12

Step-by-step explanation:

Answer:

44 members

Step-by-step explanation:

Because to find out the number of members first you have to find out the number of boys in choir

Divide total number of girls (32) by ratio number (8) and you get 4

Multiply the 4 you got by the ratio of boys (3), you get 12 when you multiply these together

Add the total number of boys in choir (12) and number of girls (32) and you get 44 members!

Good day to you and I hope you like my explination.

How many degrees of freedom will the error have in a randomized block design with five treatments and three blocks?
a. 2.
b. It will depend on the total sample size.
c.4.
d. 8.

Answers

Answer:

A. 2

Step-by-step explanation:

Degree of freedom is expressed according to the formula as shown;

Degree of freedom = Sample size (Treatments) - number of parameters(Block)

Given

Number of treatments = 5

Number of blocks = 3

Degree of freedom = 5 - 3

Degree of freedom = 2

Hence the error will have 2 degrees of freedom in the randomized block design.

what is v
v−5/6=−7/8

Answers

Answer:

here,

v-5/6=-7/8

v=-7/8+5/6

v= -1/24

what is the percent increase from 3.5 to 3.5

Answers

Answer:

0

Step-by-step explanation:

There is no increase

Answer:

0

Step-by-step explanation:

there is no increase in percent

r. Powell just started an experiment. She will collect data for 8 days. How many hours is this?

Answers

Answer:

192 hours

Step-by-step explanation:

24 hours = 1 day

8 x 24 = 192

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