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Find each probability using the standard normal
Chapter , Problem 1CQ(choose chapter or problem)
QUESTION:
Problem 1CQ
Find each probability using the standard normal distribution.
(a) P(z > -2.54)
(b) P(z<3.09)
(c) P(-0.88<z<0.88)
(d) P(z<-1.445 or z > -0.715)
Questions & Answers
QUESTION:
Problem 1CQ
Find each probability using the standard normal distribution.
(a) P(z > -2.54)
(b) P(z<3.09)
(c) P(-0.88<z<0.88)
(d) P(z<-1.445 or z > -0.715)
ANSWER:
Solution:
Step 1 of 5:
Let X follows the Normal distribution with density
P(X = x) =
With parameters and
Test statistic, z =