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Solved: Find the following probabilities for the standard
Chapter 4, Problem 86E(choose chapter or problem)
QUESTION:
Find the following probabilities for the standard normal random variable z:
a. P(-1 < z < 1)
b. P(-2 < z < 2)
c. \(P(-2.16\ \leq\ z\ \leq\ .55)\)
d. P(-.42 < z < 1.96)
e. \(P(z\ \geq -2.33)\)
f. P(z < 2.33)
Questions & Answers
QUESTION:
Find the following probabilities for the standard normal random variable z:
a. P(-1 < z < 1)
b. P(-2 < z < 2)
c. \(P(-2.16\ \leq\ z\ \leq\ .55)\)
d. P(-.42 < z < 1.96)
e. \(P(z\ \geq -2.33)\)
f. P(z < 2.33)
ANSWER:Solution:
Step 1 of 7:
Here we need to find the probabilities of the Standard Normal variate z.
Using the Standard Normal probability table we can get these values.