Two dice were thrown 180 times, and at each throw the number X of sixes was recorded, with the following results. Number of sixes Frequency (x) (f₂) 0 1 2 Total 105 70 5 180 (a) Test the hypothesis that the distribution of X is binomial with probability p of obtaining a six given by p= (b) Explain how the test would be modified when the hypothesis to be tested is that X has a binomial distribution, but p is unspecified.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Two dice were thrown 180 times, and at each throw the number X of sixes was recorded, with
the following results.
0
Number of sixes
Frequency
1 2 Total
70 5 180
(fr)
105
(a) Test the hypothesis that the distribution of X is binomial with probability p of obtaining a
six given by p=
(b) Explain how the test would be modified when the hypothesis to be tested is that X has a
binomial distribution, but p is unspecified.
Transcribed Image Text:Two dice were thrown 180 times, and at each throw the number X of sixes was recorded, with the following results. 0 Number of sixes Frequency 1 2 Total 70 5 180 (fr) 105 (a) Test the hypothesis that the distribution of X is binomial with probability p of obtaining a six given by p= (b) Explain how the test would be modified when the hypothesis to be tested is that X has a binomial distribution, but p is unspecified.
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