2. The random variable X, representing the number of cherries in a cherry puff, has the following probability distribution: 6 5 0.4 0.3 4 PX = x) 0.2 0.1 (a) Find the mean u and the variance o of X. (b) Find the mean Hx and the variance o of the mean X for random samples of 36 cherry puffs. (c) Find the probability that the average number of cherries in 36 cherry puffs will be less than 5.5.
2. The random variable X, representing the number of cherries in a cherry puff, has the following probability distribution: 6 5 0.4 0.3 4 PX = x) 0.2 0.1 (a) Find the mean u and the variance o of X. (b) Find the mean Hx and the variance o of the mean X for random samples of 36 cherry puffs. (c) Find the probability that the average number of cherries in 36 cherry puffs will be less than 5.5.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![2. The random variable X, representing the number of cherries in a
cherry puff, has the following probability distribution:
4
P(X = x)
7
0.1
0.3
0.2 0.4
(a) Find the mean u and the variance o of X.
(b) Find the mean Hx and the variance o of the mean X for random
samples of 36 cherry puffs.
(c) Find the probability that the average number of cherries in 36 cherry
puffs will be less than 5.5.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04c8b925-79dd-4b6b-a770-22ce0bc75076%2F8e97e1d9-eaac-472a-94c6-b4ae1111f43e%2Fql1w08n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. The random variable X, representing the number of cherries in a
cherry puff, has the following probability distribution:
4
P(X = x)
7
0.1
0.3
0.2 0.4
(a) Find the mean u and the variance o of X.
(b) Find the mean Hx and the variance o of the mean X for random
samples of 36 cherry puffs.
(c) Find the probability that the average number of cherries in 36 cherry
puffs will be less than 5.5.
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