Ask question

Ask question

All categories

2 years ago

15

It has been reported that 80% of federal government employees use e-mail. If a sample of 215 federal government employees is sel

ected, find the mean, variance, and standard deviation of the number who use e-mail.

1 answer:

Morgarella [4.7K]2 years ago

7 0

Answer:

Mean = 200

Variation = .83

SD = .17

Please Mark Brainliest If This Helped!

You might be interested in

If d= 2, what is the value of 8/(4-d)? A.1 <br>B. 4/3<br>C. 4<br>D. 0

zimovet [89]

8/ (4-2)
8/2
Answer 4 (C)

3 0

3 years ago

C=.41+.26(z-1) solve for z

Ksivusya [100]

$c=0.41+0.26(z-1) \\0.26(z-1)=c-0.41 \\z-1=(c-0.41)/0.26 \\\boxed{z=(c-0.41)/0.26+1}$

Hope this helps.

6 0

3 years ago

What does this equal y >4x - 5

Tresset [83]

Answer:

This represents the graph area above the line y = 4x - 5 shaded.

Step-by-step explanation:

y > 4x - 5 is an inequality. First we graph y = 4x - 5, which has y-intercept (0, -5) and slope 4. Next, we shade all of the area above this line (because the inequality y > 4x - 5 says that all y values are above 4x - 5).

3 0

2 years ago

If the test for a disease is accurate 45% of the time, How often will it come back negative if a patient has the disease?

Dafna1 [17]

D. 55% of the time

45% of the time it will say positive

The other 55% of the time will come back negative.

7 0

3 years ago

Risniel has 7 dogs. Danishka has 2 dogs. How many more dogs does Danishka have than Risniel?

alukav5142 [94]

14 beacause your multiplying 7x2 wich is 14

5 0

3 years ago

Read 2 more answers