Given a normal distribution with μ=101 and σ=15, and given you select a sample of n=9, complete parts (a) through (d). a. What is the probability that X is less than 90? P(X<90)= (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that X is between 90 and 92.5? P(90102.2)= (Type an integer or decimal rounded to four decimal places as needed.) d. There is a 69% chance that X is above what value? X= (Type an integer or decimal rounded to two decimal places as needed.)
Given a normal distribution with μ=101 and σ=15, and given you select a sample of n=9, complete parts (a) through (d). a. What is the probability that X is less than 90? P(X<90)= (Type an integer or decimal rounded to four decimal places as needed.) b. What is the probability that X is between 90 and 92.5? P(90102.2)= (Type an integer or decimal rounded to four decimal places as needed.) d. There is a 69% chance that X is above what value? X= (Type an integer or decimal rounded to two decimal places as needed.)
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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Question
Given a normal distribution with
μ=101
and
σ=15,
and given you select a sample of
n=9,
complete parts (a) through (d).a. What is the probability that
X
is less than
90?
P(X<90)=
(Type an integer or decimal rounded to four decimal places as needed.)
b. What is the probability that
X
is between
90
and
92.5?
P(90<X<92.5)=
(Type an integer or decimal rounded to four decimal places as needed.)
c. What is the probability that
X
is above
102.2?
P(X>102.2)=
(Type an integer or decimal rounded to four decimal places as needed.)
d. There is a
69%
chance that
X
is above what value?X=
(Type an integer or decimal rounded to two decimal places as needed.)
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