Answer:
90
Step-by-step explanation:
its half
You're a quality control manager in a fruit juice company. You want to choose
a sample size for a quality check on the cans used to package the juice. From
a batch of 30,000 cans, you want a sample size that will allow you to closely
approximate the population parameters for the entire batch. Which sample
size will most likely produce the least variability among different samples?
Answer:
246.
Step-by-step explanation:
a) The 95% confidence level two-tail confidence interval for the mean value of the key index of this batch is between 98.22 and 99.78
b) The minimum sample size to achieve this is 246.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population(square root of the variance) and n is the size of the sample. So in this question,
The lower end of the interval is the sample mean subtracted by M. So it is 99 - 0.78 = 98.22
The upper end of the interval is the sample mean added to M. So it is 99 + 0.78 = 99.78.
a) The 95% confidence level two-tail confidence interval for the mean value of the key index of this batch is between 98.22 and 99.78
(b) (5 points) If we want the sampling error to be no greater than 0.5, what is the minimum sample size to achieve this based on the same confidence level with part (a)
We need a sample size of n
n is found when
Then
Rounding up
The minimum sample size to achieve this is 246.
What is the perimeter, to the nearest hundredth of a unit, of polygon
ABCDE ?
Step-by-step explanation:
answer is 20.31
I'm positive
The elevator at the state capital has a maximum weight capacity of 2000 pounds. If there are 3
people already on the elevator with a combined weight of 428 pounds, write an inequality to express
the possible weights that may be added to the elevator,
Part A: Define your variable
Part B: Write the inequality
Part C: Describe what your inequality looks like on a number line. Be sure to include whether the
circle is open or closed and the direction the line is shaded.
Answer:
Step-by-step explanation:
Maximum capacity of the elevator = 2000 pounds
Combined weight of the elevator = 428 pounds
A). Let the possible weights that can be added to the elevator = w pounds
B). Therefore, inequality representing this situation will be,
428 + w < 2000
C). By solving the given inequality,
(428 + w) - 428 < 2000 - 428
w < 1572 pounds
Now we draw this inequality on a number line.
Kensington charges $20 per hour, h, teaching music lessons. Last year, Kensington earned $37,705, including tips, t. Given this information, which of the following equations can be used
the amount Kensington made in tips last year?
Of=37705 + 20h
O t = 37705 - 20h
Ot=37705h + 20
O = 37705h - 20
Answer:B-t=37705-20h
Step-by-step explanation:The answer is B because you need to get rid of all of the money she made working so you subtract 20 by how ever many hours she has worked
Answer:
Second option : t = 37705 - 20h
Step-by-step explanation:
I took the test
Type the correct answer in each box. Use numerals instead of words.
Bethany collected 200 survey responses regarding recycling behaviors in her city of those responses, 174 people responded that they
participate in the city's recycling program.
Use this information to complete the statement. Round all answers to the nearest hundredth.
, which means that
% of the people surveyed do not participate in the city's
The approximate sample proportion is
recycling program.
Answer:
Step-by-step explanation:
Answer:
1st one 0.87
2nd one 13
PLATO
Step-by-step explanation:
Find the area of the shaded figure
Answer:
its 56 units square.
Step-by-step explanation:
(count the tiles in the shaded figure, you'll get the area)
if a hockey ticket regular cost $25 and the sale price cost $20
Answer:
The sale price would be 20% off.
Step-by-step explanation:
I hope this helps! Have a great rest of your day!
Joshua and Crystal opened
savings accounts on the same
day, each with an initial deposit
of $100.00. After two months,
Joshua's account shows a
balance of $67.25 and Crystal's
account shows a balance of
$131.97. Which account balance
changed by the greatest
amount? Why?
I
8
I’m stuck what is the answer?
Answer:
Joshua's account had a greater change.
Step-by-step explanation:
Both accounts had $100
Joshua's account now has $67.25 which means he used $32.75
Crystal's account now has $131.97 which means he saved $31.97.
Joshua had a greater change of balance.
Can someone please help me with math.
Please answer correctly and no links pls
Answer: 13.) 49, 14.) 64
Step-by-step explanation:
7x7=49, 8x8=64
This is an angle relationship problem
Answer:
7
Step-by-step explanation:
8c-5+6c-3=90
14c=90+5+3
14c=98
c=7
pls help me its pls——
Answer:
Sorry but I love you
Step-by-step explanation:
Theo rolls a dice 306 times.
Work out an estimate for the number of times Theo rolls an even number
Which of these numbers is irrational?
Help plz due now will give brainliest
Answer:
√12 is irrational
Step-by-step explanation:
What’s the answer? PLEASE ! NO LINKS. thanks !
Answer:
84 [tex]cm^{2}[/tex]
Step-by-step explanation:
find the area of each shape and add them together
115 divided by 356................
Answer:
0.32
:)
brainliest greatly appretiated
To secure a telephone pole, a steel cable will be attached to a ring on the pole 12 feet above the ground. If the cable is 15 feet long, how far from the base of the pole will the other end of the cable be anchored?
Answer:
9 ft
Step-by-step explanation:
Pythagorean theorem:
x = the square root of 15 square minus 12 square
x= square root of 225-144
x= square root of 81
X = 9
For any number n>1, is
|(5 – 3i)^n|
A. greater than 1?
B. less than 1?
C. equal to 1?
Answer:
A.greater than 1
Step-by-step explanation:
1. take away all the symbols
2. 5-3
3.5-3=2
4. is 2 greater than 1
5. yes
6. answer is A.
Mr. K was able to spot quite a few window washers on the skyscrapers there. He asked them how long it took to wash windows on such a building. They said that each person could wash 50 windows in 1 hour.
(How long would it take the 3 workers to wash all 1000 windows on one of the skyscrapers?)
Answer:
6.7 hours
Step-by-step explanation:
If one can do 50 then three can do 150.
So 1000÷150=6.66666666666
Hope this helps
!!!! HELP PLEASE !!!!!
Answer:
C) x² + 2x - 6
Step-by-step explanation:
add 2x +1 to x² - 7
Factor each expression completely
4x² + 6x – 40
Show your work!!!
NO LINKS PLS
Answer:
4x²+6x-40
2(2x²+3x-20) factor out 2
2(2x²+8x-5x-20) split the three into a difference
2(2x(x+4)-5x-20) factor the 2 out of first pair of parenthesis
2(2x(x+4)-5(x+4)) factor the 5 out of second pair of parenthesis
2(x+4)(2x-5) factor
= 2(x+4)(2x-5)
Step-by-step explanation:
i hope this helps :)
Please hurry and no links, thank you!
Functions f(x) and g(x) are shown:
f(x) = x2
g(x) = x2 − 8x + 16
In which direction and by how many units should f(x) be shifted to match g(x)?
Left by 4 units
Right by 4 units
Left by 8 units
Right by 8 units
it needs to be shifted to the positive side of the graph by 4 units so right by 4 units is the correct answer
The answer is A. Left by four units. I took the test so it is correct, here is photographic proof:
Answer correctly with NO FILE (Or links) to get brainliest.
which table shows the relationship y=k/x where k is a real number
Answer:
the answer is 1/5 because y/x gives you k
Step-by-step explanation:
Two pyramids are similar. The volume of the larger pyramid is 125 mº and the volume of the smaller pyramid is 27 mº. The height of the smaller pyramid is 3 m What is the height of the larger pyramid? Enter your answer in the box.
Answer:
5 m
Step-by-step explanation:
[tex]\sqrt[3]{125}[/tex] = 5
Answer:
5m
Step-by-step explanation:
trust me?
Three fourths divided by nine
Answer:
0.1
Step-by-step explanation:
Divide 3/4 by 9 which will leave you with 0.083 repeated but if you estimate to the closest decimal that will bring you to 0.1 as your final answer.
What will be his EXTRA cost?
Answer:
??? what do you mean?
Step-by-step explanation:
please help lol !!!!
Answer:
63 degrees
Step-by-step explanation:
Since this is an isosceles triangle, the two bottom angles must be equal, while the top angle (in the way this specific triangle is oriented) must be different. Therefore, angle CDB is 63 degrees.
Answer:
∠CDB = 63°
Step-by-step explanation:
∠CBD and ∠CDB opposite side lengths are congruent (indicated by the little markings)
Because their opposite sides are congruent they are too congruent
So ∠CBD = ∠CDB
because ∠CBD = 63° ∠CDB also equal 63°
Solve by grouping 8x^3+3+6x^2+4x
Answer:
Step-by-step explanation:
Answer:
it cant be simplified but this is what i got
Step-by-step explanation:
sorry if its incorrect :')))))))
Select the expression that has a value of 28. (4 points)
Group of answer choices
8 + (4 x 6) ÷ 2 + 7
8 + 4 x 6 ÷ (2 + 7)
(8 + 4 x 6) ÷ 2 + 7
(8 x 4) + 6 ÷ 2 − 7
Answer:
(8 + 4 × 6) ÷ 2 + 7
Step-by-step explanation:
8 + (4 × 6) ÷ 2 + 7 = 27
8 + 24 ÷ 2 + 7
8 + 12 + 7
27
8 + 4 × 6 ÷ (2 + 7) = [tex]10\frac{2}{3}[/tex]
8 + 4 × 6 ÷ 9
8 + 24 ÷ 9
[tex]8 + 2\frac{2}{3}[/tex]
[tex]10\frac{2}{3}[/tex]
(8 + 4 × 6) ÷ 2 + 7 = 23
(8 + 24) ÷ 2 + 7
32 ÷ 2 + 7
16 + 7
23
(8 × 4) + 6 ÷ 2 − 7 = 28
32 + 6 ÷ 2 - 7
32 + 3 - 7
35 - 7
28
Answer:
D
Step-by-step explanation
D
D