Consider the distribution with the following probability mass function x 30 35 40 p(x) 0.2 0.3 0.5 Let X1, X2 be two independent random sample from this distribution, and T = X1 − X2. Compute the expected value and the standard deviation of X1. Compute the expected value and the standard deviation of T. Compute P[T = 5].

Consider the distribution with the following probability mass function x 30 35 40 p(x) 0.2 0.3 0.5 Let X1, X2 be two independent random sample from this distribution, and T = X1 − X2. Compute the expected value and the standard deviation of X1. Compute the expected value and the standard deviation of T. Compute P[T = 5].

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 the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of μ= 1.1 kg and a standard deviation of σ = 4.4 kg. Complete parts (a) through (c) below. a. If 1 male college student is randomly selected, find the probability that he gains between 0 kg and 3 kg during freshman year. The probability is 0.2658. (Round to four decimal places as needed.) b. If 9 male college students are randomly selected, find the probability that their mean weight gain during freshman year is between 0 kg and 3 kg. The probability is (Round to four decimal places as needed.)
Assume that the amounts of weight that male college students gain during their freshman year are normally distributed with a mean of μ = 1.1 kg and a standard deviation of o=4.9 kg. Complete parts (a) through (c) below. a. If 1 male college student is randomly selected, find the probability that he gains between 0 kg and 3 kg during freshman year. The probability is (Round to four decimal places as needed.) -C
Assume that the random variable X is normally distributed, with mean u = 50 and standard deviation o = 10. Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. P(Xs 44) 44 50 44 50 44 50 P(Xs 44) = (Round to four decimal places as needed.)
Let X be a normal random variable with = 10 and = 2. Find the values of P(X < 11) b. P(X > 8) P(7 < X < 9)
Assume the random variable x is normally distributed with mean μ = 50 and standard deviation a=7. Find the indicated probability. P(x > 38) P(x>38) = (Round to four decimal places as needed.) XXXX
Assume the random variable x is normally distributed with mean μ = 88 and standard deviation o= 5. Find the indicated probability. P(x<78) P(x<78) = ... (Round to four decimal places as needed.)
An Assume the random variable x is normally distributed with mean p=82 and standard deviation o=4. Find the indicated probability.P(x<80)P(x<80)=(Round to four decimal places as needed.)