Seatwork No. 2Complete the table below and find the mean, variance and standard deviation of the following probabilitydistribution.P(X)X- P(X)x2 - P(X)1156.51115165211MEAN:VARIANCE:STANDARD DEVIATION:

Solution-: We find, (a) Mean =? (b) Variance=? (c) Standard deviation=?

Answered: Complete the table below and find 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

Similar questions

Find the mean and standard deviation for the following probability distribution. P(x) 0.21 1 0.2 2 0.41 3 0.18 Enter the exact answer for the mean and round the standard deviation to three decimal places. Mean = i Standard deviation i
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. X P(x) 0 0.125 1 0.375 2 0.375 3 0.125 O A. mean: 1.50; standard deviation: 0.87 OB. mean: 1.50; standard deviation: 0.76 O C. mean: 2.25; standard deviation: 0.87 O D. mean: 2.25; standard deviation: 0.76 C
The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution: x 2 3 4 5 6 f(x) 0.01 0.25 0.4 0.3 Find the standard deviation of X.
Find the mean of the following probability distribution? P(x) 0.1605 1 0.2848 2 0.0206 3 0.2536 4 0.2805 Use the round-off rule for measures of center and variation, mean = which is one place more than the x-values.
Find the mean, variance and standard deviation for the probability distribution given below: X -5 2 12 10 P(X) 0.553 0.136 0.213 0.098
Find the mean, variance and standard deviation for the probability distribution given below: X -3 3 8 10 P(X) 0.597 0.13 0.215 0.058 A. Mean = B. Variance = C. Standard Deviation =
A researcher recorded the number of shots made, X, out of 10 free throws by a sample of 1000 randomly selected college students. The table below is a probability distribution table representing the data collected. Calculate the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. x P(x) 0 0.01 1 0.01 2 0.02 3 0.04 4 0.03 5 0.05 6 0.21 7 0.29 8 0.21 9 0.08 10 0.05
Find the variance and standard deviation of the following random variable. Hint: start by writing the distribution for the random variable X2 . x P(X = x) 0 0.5 1 0.2 2 0.3
Let the random variable X = the number of motor vehicle accidents per student in one year. Find the mean and standard deviation of the probability distribution, and interpret the value of the mean in the context of the real-life situation. X 1 3 4 Probability 0.15 0.29 0.25 0.18 0.10 0.03 Interpretation of µz
In a study, 25,000 adults were randomly surveyed as to the number of grandchildren they have, X. The probability distribution is given below. Find the mean and the standard deviation of the probability distribution using a TI-83, TI-83 Plus, or TI-84 graphing calculator. Round the mean to one decimal place and the standard deviation to two decimal places. x P(x) 0 0.01 1 0.02 2 0.02 3 0.24 4 0.35 5 0.20 6 0.07 7 0.05 8 0.02 9 0.01 10 0.01
- The mean and variance of a binomial distribution are 4 and 4 respectively. Find P(X 21).
Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in one week is given by the following table. x 1 p(x) 2 3 4 5 0.06 0.10 (a) Find the mean value of x (the mean number of systems sold). 0.11 0.30 6 7 8 0.29 0.12 0.01 0.01 (b) Find the variance and standard deviation of x. (Round your standard deviation to four decimal places.) variance standard deviation How would you interpret these values? (Round your standard deviation to four decimal places.) The mean squared deviation from the mean number of systems sold in one week is A typical deviation from the mean number of systems sold in one week is (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean?

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

Complete the table below and find the mean, variance and standard deviation of the following probability distribution. P(X) 1 X• P(X) X2 - P(X) 1 11 16 21 МEAN: VARIANCE: STANDARD DEVIATION: