The results from a test to detect the presence of a bacteria in a sample are shown in the table. What is the probability that the result of the test is positive, given that the sample doesn't contain the bacteria?
A)0.03
B)0.54
C)0.46
D)0.001

The Results From A Test To Detect The Presence Of A Bacteria In A Sample Are Shown In The Table. What

Answers

Answer 1

Answer:

It is C because u just divide 126 by 58!!

Step-by-step explanation:

Answer 2

The probability that the result of the test is positive, given that the sample doesn't contain the bacteria = 0.03

What is probability?

"Probability is a branch of mathematics which deals with finding out the likelihood of the occurrence of an event."

The formula of the probability of an event A is:

P(A) = n(A) / n(S)

, where n(A) is the number of favorable outcomes and  is the total number of events in the sample space.

For given example,

Let event A : the number of result of the test is positive, given that the sample doesn't contain the bacteria

⇒ (n(A)) = 58

the total number of sample n(S) = 2000

Therefore,  the probability that the result of the test is positive, given that the sample doesn't contain the bacteria would be,

⇒ P(A) = n(A)/n(S)

⇒ P(A) = 58/2000

⇒ P(A) = 29/1000

⇒ P(A) = 0.029

P(A) = 0.03

Therefore, the correct answer is option (A) 0.03

Learn more about probability here,

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Related Questions

hii! help asap. i’ll give brainliest thanks!

Answers

Answer:

B

Step-by-step explanation:

Answer:

It's acceleration will change

Step-by-step explanation:

The question states that only the force on the object increased, that will cause it to go alot faster than before due to the increase in force.

Please Help!!! I will mark the brainiest and 70 points!

Answers

Answer:

darkest shaded- 0.8 times 0.7= 0.56

In the middle- 0.8 times 0.3= 0.24 times 0.2 times 0.7= 0.14  0.24 + 0.14= 0.38

Light- 0.2 times 0.3= 0.06

0.38 + 0.06=0.44

0.56 times 0.44= 0.2464

I hope this helped!

Step-by-step explanation:

What is the first step to solving this by substitution?
1 point
y = 2x + 1
y = 4x - 1
O put a zero in for x
O put a zero in for y
O find the slope
O Replace the right side of the top equation with the y on the bottom equation

Answers

Answer:

Last answer: replace right side of the top equation with the y on the bottom

Step-by-step explanation:

PLEASE HELP QUICK!! I need help with the first problem

Answers

Answer:

I need help too it's so hard

Devante buys 1/1/4 pounds of cashews 7 ounces of almonds and 3/4 pounds of pecans how much do the nuts weight in

Answers

Answer: [tex]39\ \text{Ounces}[/tex]

Step-by-step explanation:

Given

The amount of cashews is [tex]1\frac{1}{4}\ \text{Pounds}[/tex]

Amount of almonds [tex]7\ \text{ounces}[/tex]

The amount of pecans is [tex]\frac{3}{4}\ \text{Pounds}[/tex]

We know, [tex]1\ \text{Pound}=16\ \text{Ounces}[/tex]

Converting pounds to ounces and adding them

[tex]\Rightarrow 1\dfrac{1}{4}\times 16+7+\dfrac{3}{4}\times 16\\\\\Rightarrow \dfrac{5}{4}\times 16+7+3\times 4\\\\\Rightarrow 20+7+12=39\ \text{ounces}\ or\ \dfrac{39}{16}\ \text{Pounds}[/tex]

Thus, the nuts weigh [tex]39\ \text{Ounces}[/tex]

What is the median number of pets?​

Answers

Answer:

2

Step-by-step explanation:

put the numbers in order and the number in the middle is the median

Can I please have some help with this I am stumped

Answers

9514 1404 393

Answer:

  29 in²

Step-by-step explanation:

No need to be stumped. The dashed lines divide the figure into three recognizable forms, for which you have area formulas.

The area of a rectangle or parallelogram is given by the formula ...

  A = bh . . . . .  where b represents the base, and h represents the height.

__

The top part of the figure is a square. That is, it is a rectangle with its base equal to its height. In this figure, both are labeled 2 in.

  A = (2 in)(2 in) = 4 in² . . . . . . area of top square

The middle part of the figure is a parallelogram. Its base is the same as the base of the rectangle below it. Its height is labeled 3 in.

  A = (5 in)(3 in) = 15 in² . . . . . . area of middle parallelogram

The bottom part of the figure is a rectangle with a height of 2 in. Its base is the same length we used for the parallelogram: 5 in.

  A = (5 in)(2 in) = 10 in²

The area of the figure is the sum of the areas of its parts:

  figure area = 4 in² + 15 in² + 10 in² = 29 in²

The area of the figure is 29 in².

A recipe that serves 4 people uses 3 onions. How many onions are needed to serve 20 people?

Answers

Answer:

15 onions are required.

Anderson won $10000 in a Lotto competition.
He banked, then he gave his wife 60% of the remainder.
He then shared what was left between his two sons Jimmy and Prince, giving Jimmy three
times as much as Prince. Calculate Jimmy's share.​

Answers

Answer:

jimmy got 30,000

Step-by-step explanation:

10,000

the wife got 60% = 60,000

jimmy got 3x prince = 30,000

prince = 10,000

Write the number twenty one thousand and sixty four in figures

Answers

21,064
Because that’s it





Answer:

21064

Step-by-step explanation:

21000

+    64

-----------

21064

Solve for x assume that lines which appear tangent are tangent

Answers

The answer to the question is x is 12

Find the circumference and area of a circle the radius is 7 meters

Answers

Answer: 43.9823

Step-by-step explanation:

The equation to find the circumference is c=2πr. By the “r” in the equation represents the radius. The question says the radius is 7 so you just input the 7 where the “r” is. So 2·π·7=43.9823.

C=2πr=2·π·7≈43.9823

Find the area of a circle with a diameter of 36 mm. Use 3.14 for
area: about
2
mm

Answers

Answer:

Area  =  4073.1429 mm²

Step-by-step explanation:

Input Data :

Radius = 36 mm

Objective :

Find the area of the circle.

Solution :

Area = πr2

= 3.14 x (36)2

= 3.14 x (1296)

Area = 4073.1429 mm²

reuploading hhhhhhhhhh

Answers

Answer:

here is your answer do it fast

Justine had 88 dolphin stickers. She gave 4 stickers each to 6 friends. How many stickers does Justine have left?

Answers

Answer:64

Step-by-step explanation:

4×6=24

88-24=64

Can someone help me with this true or false question, I can’t figure it out, and I have been stumped for a long time now. I would really appreciate the help please?

An exponential decay function represents a quantity that has a decreasing halving time.

A. True

B. False

Answers

Answer:

A is the correct answer because this is true :D

Step-by-step explanation:

The correct answer is true. Hope this helps:)

simplify the expression - 1/2 (- 5/6 + 1/3)

Answers

Answer: 1/4

Step-by-step explanation:

Answer:

1/4 would be your answer.

Step-by-step explanation:

Hope this helps!, and if this Is wrong someone correct me.

Can someone please explain how to go the answers for this

Answers

Answer:

A=3, B=4, C=-5

Step-by-step explanation:

So A represents the amplitude, which is the distance between the midline (C), the middle of the graph, and the maximum (or minimum). B is the distance of the period of the graph. In this case, we see that the midline is C=-5 because that is the halfway point of the sine function. We also see that the period distance is B=5-1=4, so our period would be 2π/4 or π/2. Our amplitude would be A=3 because |a|=|-5-(-2)|=|-5+2|=|-3|=3. Observe the graph to see this visually.

For the following right triangle, find the side length .

Answers

Answer:

x = 25

Step-by-step explanation:

Using the formula a²+b²=c², you can easily find out the hypotenuse of the triangle (which is the long side of it, and is the x in this problem.)

If we substitute the side lengths for the question in a²+b²=c², you'll get

20²+15²=x²

Simplifying the numbers and squaring them, you get

400+225=625²

Since you want the value of the x side, you'll need to root 625.

√625=25

Therefore, x = 25

Answer:

x = 25

Step-by-step explanation:

To find the side lengths of a right triangle, we can use the Pythagorean Theorem, a² + b² = c². a and b are the legs, and c is the hypotenuse, the longest side. In this figure, x is the hypotenuse, c.

Plug in our values for a and b and solve for x.

[tex]a^2+b^2=c^2[/tex]

[tex]20^2+15^2=c^2[/tex]

[tex]400+225=c^2[/tex]

[tex]625=c^2[/tex]

[tex]\sqrt{625}[/tex] = [tex]\sqrt{c^2}[/tex]

[tex]25=c[/tex]

c, or x is equal to 25. The missing sidelength is 25 units.

Good luck ^^

The sphere has a radius of 12 meters, What is the volume of the sphere

Answers

[tex]\Large{\underline{\mathcal{Given: }}}[/tex]

radius = 12m

volume =

[tex]\Large{\underline{\mathcal{solution :}}}[/tex]

volume of a sphere:

4/3 πr³ cu.units

4/3 × 22/7 × 12 × 12 × 12

7214 m³

Find the value of x.
101 x +29

Answers

Answer:

x = 50

Step-by-step explanation:

101 + (x + 29) = 180

130 + x = 180

x = 180 - 130

x = 50

Answer:

50°

Step-by-step explanation:

in order ro find x you would need to solve for 101° ( x + 29) = 180° if you replace x with 50 then you equation would be true!

Carter's checking account had a balance
of --$12.75. He deposited a check for
$22.40 into his account. What is Carter's
account balance now?
A -$35.15
B. -$9.65
C. $9.65
D. $35.15

Answers

Answer:

A or D is tge correct awnser

1/2a - 4
Pls help
Meeeeee
Eeeeeeee

Answers

1/2a - 4
Add 4 to both sides.
1/2a = 4
Divide both sides by 1/2.
a = 8

East high school basketball team has won six of their first 10 games based on a car wreck or predict the number of games they will win this session if they have 15 more games

Answers

so for they have won 60% of their games. if you carry this logic through for a total of 25 games, u can predict that they will win 15/25 games

A survey found that 60% of highschool freshmen have Internet access at home. Of the 750 freshmen at one high school, about how many would be expected to have Internet access at home?

Answers

Answer:

450 freshman would have internet access

Answer:

450

Step-by-step explanation:

750 student is 100% of highschool freshman so

let x be how may would be expected

x/750=60%/100%

750*60=100*x

45000=100x

x=450

help as soon as possible yo

Answers

D and E hope this helps!!

Answer:

the answer is D. x=-7

E. x=4

hello please help i’ll give brainliest

Answers

Answer:

C i think

Step-by-step explanation:

Once an action is caused, a reaction immediatley happens

It’s D they are equal but act in opposite direction

WILL MARK BRAINLIEST HELP ASAP ASAP

Answers

Answer:

Step-by-step explanation:

A

hiii please help i’ll give brainliest if you answer correctly

Answers

Answer:

nonessential information

nonessential info should be in parentheses

Answer:

Fourth one

Step-by-step expla nation:

Please give brainiest

Find the volume of the following figure using unit cubes.

Answers

Answer:

       64 units³

Step-by-step explanation:

2 units × 4 units × 8 units = 64 units³

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