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irga5000 [103]
4 years ago
5

About 5% of the population has a particular genetic mutation. 500 people are randomly selected. Find the standard deviation for

the number of people with the genetic mutation in such groups of 500.
Mathematics
1 answer:
damaskus [11]4 years ago
5 0

Answer:

4.87

Step-by-step explanation:

According to the given situation, for calculation of standard deviation for the number of people first we need to calculate the variance which is shown below:-

Variance is

np(1 - p)\\\\ = 500\times (0.05)\times (1 - 0.05)

After solving the above equation we will get

= 23.75

Now the standard deviation is

= \sqrt{\sigma} \\\\ = \sqrt{23.75}

= 4.873397172

or

= 4.87

Therefore for computing the standard variation we simply applied the above formula.

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devlian [24]

Answer:

80.5 kilometers/h

Step-by-step explanation:

S=80.5km/h

D644

T8 hours

8 0
3 years ago
I'll make you brainliest Easyquestion 6th grade multiply and add fractions pleaze answer it ASAP
kirill115 [55]

area of triangle= bh/2

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3 years ago
Read 2 more answers
Y = -5x + 15 2x + y = 12
Nana76 [90]

Answer:

x = 1, y = 10

Step-by-step explanation:

y = -5x + 15 --- Equation 1

2x + y = 12 --- Equation 2

Substitute y = -5x + 15 into Equation 2:

2x + y = 12

2x - 5x + 15 = 12

Evaluate like terms.

15 - 3x = 12

Isolate -3x.

-3x = 12 - 15

Evaluate like terms.

-3x = -3

Find x.

x = -3 ÷ -3

x = 1

Substitute x = 1 into Equation 2:

2x + y = 12

2(1) + y = 12

2 + y = 12

Isolate y.

y = 12 - 2

y = 10

4 0
3 years ago
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Can you please help me
kirill [66]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
Given: △PRS, RS=10<br> m∠P=45°, m∠S=60°<br> Find: Perimeter of △PRS
Keith_Richards [23]

The law of sines can be used to find the missing side lengths.

... RP = sin(60°)/sin(45°)·10 = 10√(3/2) ≈ 12.247

... PS = sin(75°)/sin(45°)·10 ≈ 13.660

Then the perimeter is

... perimeter = RS + RP + PS

... = 10 + 12.247 + 13.660 ≈ 35.91 . . . .units

3 0
4 years ago
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