The random variable x represents the number of boys in a family of three children. Assuming that boys and girls are equally likely, find the mean and standard deviation for the random variable xP(x)0.1250.3752.0.3750.1253.OA. mean: 1.50; standard deviation: 0.76OB. mean: 2.25, standard deviation: 0.76OC. mean: 1.50; standard deviation: 087OD. mean 2.25, standard deviation 0 87Click to select your anewerType here to search4. Find the mean of the binomial distribution for which n= 90 and p = 0.2. Round the answer to the nearest hundredth, as needed.O A. 90.00O B. 18.00O C. 3.79O D. 45.00Click to select your answer.O Type here to search近

Name: The random variable x represents the number of boys in a family of th
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: The random variable x represents the number of boys in a family of three children. Assuming that boys and girls are equally likely, find the mean and standard deviation for the random variable xP(x)0.1250.3752.0.3750.1253.OA. mean: 1.50; standard de

Answered: The random variable x represents the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Topic Video

Question

The random variable x represents the number of boys in a family of three children. Assuming that boys and girls are equally likely, find the mean and standard deviation for the random variable x
P(x)
0.125
0.375
2.
0.375
0.125
3.
OA. mean: 1.50; standard deviation: 0.76
OB. mean: 2.25, standard deviation: 0.76
OC. mean: 1.50; standard deviation: 087
OD. mean 2.25, standard deviation 0 87
Click to select your anewer
Type here to search
4.

Find the mean of the binomial distribution for which n= 90 and p = 0.2. Round the answer to the nearest hundredth, as needed.
O A. 90.00
O B. 18.00
O C. 3.79
O D. 45.00
Click to select your answer.
O Type here to search
近

Expert Solution

Step 1

Note:

Hi there! Thank you for posting the questions. As there are several independent questions, according to our policy we have solved the first question. If you need help with other question, please re post separately.

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Means$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc