a. Let Z ~ Normal(0, 1) be a continuous standard normal random variable with mean of 0 and standard deviation of 1. What is the probability that Z comes out to be less than -1.64? Normal(26.2, 5) is a continuous normal random variable 26.2 and standard deviation of o = 5. What is the probability that b. Suppose instead that X ~ with mean of µ = X comes out to be less than 18? c. Working still with X That is, find a value c such that the probability that X is bigger than c is 2.5%. Normal(26.2, 5), find a value c such that P(X > c) = 0.025.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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a. Let Z ~ Normal(0, 1) be a continuous standard normal random variable with mean of
0 and standard deviation of 1. What is the probability that Z comes out to be less
than -1.64?
Normal(26.2, 5) is a continuous normal random variable
26.2 and standard deviation of o = 5. What is the probability that
b. Suppose instead that X ~
with mean of µ =
X comes out to be less than 18?
c. Working still with X
That is, find a value c such that the probability that X is bigger than c is 2.5%.
Normal(26.2, 5), find a value c such that P(X > c) = 0.025.
Transcribed Image Text:a. Let Z ~ Normal(0, 1) be a continuous standard normal random variable with mean of 0 and standard deviation of 1. What is the probability that Z comes out to be less than -1.64? Normal(26.2, 5) is a continuous normal random variable 26.2 and standard deviation of o = 5. What is the probability that b. Suppose instead that X ~ with mean of µ = X comes out to be less than 18? c. Working still with X That is, find a value c such that the probability that X is bigger than c is 2.5%. Normal(26.2, 5), find a value c such that P(X > c) = 0.025.
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