a. P(Z < 0.86). P(Z > -1.76). P(Z > 2.42). b. C.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
A9
Transcribed Image Text:This question is similar to Exercises 10-16 on pages 287-288 of your textbook.
Let z be the standard normal variable and x be a normal random variable with the mean = 27 and the
standard deviation = 12. Find the following probabilities and the value of a.
a. P(Z < 0.86).
b.
c. P(Z > 2.42).
d. P(-1.26 <z<-0.78).
e. P(-2.15<z < 1.93).
f. P(z> a) = 0.71. Find a.
E. P(x < 15.3).
h. P(x > 46.2).
i.
P(6.5 < x < 61.4).
j. P(x <a) = 0.45. Find a.
P(Z > -1.76).
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