Given a random sample of size 24 from a normal distribution, find k such that: (a) P(−2.500<T<k)=0.89. k=? (Round to 3 decimal places) (b) Find P(k<T<3.104)=0.0475. k=? (Round to 3 decimal places) (c) Find P(−k<T<k)=0.99. k=? (Round to 3 decimal places)
Given a random sample of size 24 from a normal distribution, find k such that: (a) P(−2.500<T<k)=0.89. k=? (Round to 3 decimal places) (b) Find P(k<T<3.104)=0.0475. k=? (Round to 3 decimal places) (c) Find P(−k<T<k)=0.99. k=? (Round to 3 decimal places)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
Given a random sample of size 24 from a normal distribution, find k such that:
(a) P(−2.500<T<k)=0.89.
k=? (Round to 3 decimal places)
(b) Find P(k<T<3.104)=0.0475.
k=? (Round to 3 decimal places)
(c) Find P(−k<T<k)=0.99.
k=? (Round to 3 decimal places)
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