4. When n < 30 and the population standard deviation is not known, what is the appropriate distribution? A. Ζ B. t С.r D. p 5. When n 2 30 and the population standard deviation is known, what is the appropriate distribution? A. z B. t С.r D. p

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Answer the ff.
4. When n < 30 and the population standard deviation is not known, what is the
appropriate distribution?
D. p
B. t
С.r
A. Z
5. When n 2 30 and the population standard deviation is known, what is the
appropriate distribution?
C.r
D. p
A. Z
В. t
Transcribed Image Text:4. When n < 30 and the population standard deviation is not known, what is the appropriate distribution? D. p B. t С.r A. Z 5. When n 2 30 and the population standard deviation is known, what is the appropriate distribution? C.r D. p A. Z В. t
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