In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5th-grade student is involved in. Complete parts (a) through () below.to1234P(x)0.2990.0840.1310.2130.273(a) Verify that this is a discrete probability distribution.This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive.(b) Graph the discrete probability distribution. Choose the correct graph below.YA.O B.OC.OD.0.5-04Q0.5-0.5-0.-4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.2+0.2-0.2-0.2-0.1+0.1-0.1-0.1-0-0 10-0 140123 4ó i 2 3(c) Compute and interpret the mean of the random variable x.The mean is activities.(Type an integer or a decimal. Do not round.)

Answered: In the following probability…

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

Assume that 12 jurors are randomly selected from a population in which 78% of the people are Mexican- Americans. Refer to the probability distribution table below and find the indicated probabilities. P(x) 0+ 1 0+ 0+ 3 0.0001 0.001 5 0.0057 6. 0.0236 7 0.0717 8 0.1589 0.2503 10 0.2663 11 0.1717 12 0.0507 Find the probability of exactly 6 Mexican-Americans among 12 jurors. Round your answer to four decimal places. P(x = 6) Find the probability of 6 or fewer Mexican-Americans among 12 jurors. Round your answer to four decimal places. P(x < 6) Does 6 Mexican-Americans among 12 jurors suggest that the selection process discriminates against Mexican-Americans? O yes no
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below.
In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Compute and interpret P(x) the mean of the random variable X. 0.279 1 0.569 2 0.117 3 0.031 4 0.003 0.001 Hx = marriages (Type an integer or a decimal. Do not round.)
A random variable x has a standard normal probability distribution. Which of the following statements is true (check all that apply). a. Prob (x=0) = 0 b. Prob(x>0) = 0.5 c. Prob (x>1) > 0.2 d. Prob (x < -2) > 0.05
???
Suppose the probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station, is given in the following table. x 0 1 2 3 4 p(x) 0.47 0.18 0.07 0.06 0.22 (a) Calculate the mean value of x. (b) What is the probability that x exceeds its mean value?
The three-day forecast and the number of days of rain is a probability distribution and is presented below. Days of Rain, x 3 Probability P(x) 0.24 What is P(x) when x=2, i.e., when there is exactly 2 days of rain? O a. 0.22 O b. 0.88 OC. 0.12 0 0.32 Od. Not a discrete distribution 0.32 2
A random variable X has the probability distribution given in the following table: 1 2 3 4 5 P(X = x) 0.10 0.15 0.20 0.25 0.20 What must P(X = 1) be (to the accuracy given)?
P(X=x) -2 0.30 -1 0.15 0.20 1 0.20 0.15 a) Explain two reasons why the above distribution is a valid probability distribution.
In the following probability distribution, the random variable x represents the number of activities a parent of a K to 5th-grade student is involved in. Complete parts (a) through (f) below. tom 2 3 4 P(x) 0.299 0.084 0.131 0.213 0.273 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. VA. OB. OC. OD. 0.5- 0.4- 0.5- 0.5- 0.57 0.4- 0.4- 0.4- 0.3- 02- 0.3- 0.3- 0.3- 0.2- 0.1- 0.2- 0.2- 0.1- 0.1- 0.1- 0- 0 1 2 3 0- 0 1 0- 2 3 4 (c) Compute and interpret the mean of the random variable x. The mean is 2.077 activities. . (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? A. As the number of experiments increases, the mean of the observations will approach the mean of the random variable. B. The observed…
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below. + + 1 2 4 P(x) 0.416 0.313 0.105 0.063 0.103 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. O A. В. OC. OD. 0.5- 0.5- 0.5- 0.5- 0.4- 0.4- 0.4- 0.4- 0.3- 1 0.3- 0.3- 0.3- 0.2- 0.2- 0.2- 0.2- 0.1- 0.1- 0.1- 0.1- 0- 0- 0- 0- 1 3 4 1 3 4 1 3 4 1 3 4 (c) Compute and interpret the mean of the random variable x. The mean is activities. (Type an integer or a decimal. Do not round.) N. N.
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below. 1 2 4 P(x) 0.251 0.221 0.266 0.191 0.071 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. O A. В. C. D. 0.5- 0.5- 0.5- 0.5- 0.4- 0.4- 0.4- 0.4- 0.3- 0.3- 0.3- 0.3- 0.2- 0.2- 0.2- 0.2- 1 0.1- 0.1- 0.1- 0.1- 0- 0- 0- 1 3 1 3 1 3 3 (c) Compute and interpret the mean of the random variable x. The mean is activities. (Type an integer or a decimal. Do not round.)

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