For one binomial experiment, ni = 75 binomial trials produced ri = 30 successes. For a second independent binomial experiment, n2 = binomial trials produced r2 = 50 successes. At the 5% level of significance, test the claim that the probabilities of success for the two binor experiments differ. (a) Compute the pooled probability of success for the two experiments. (Round your answer to three decimal places.) (b) Check Requirements: What distribution does the sample test statistic follow? Explain. O The Student's t. The number of trials is sufficiently large. O The standard normal. We assume the population distributions are approximately normal. O The Student's t. We assume the population distributions are approximately normal. O The standard normal. The number of trials is sufficiently large. (c) State the hypotheses. O Ho: P1 = P2i H1: P1 * P2 O Ho: P1 = P2i H1: P1 < P2 O Ho: P1 < P2i Hi: P1 = P2 O Ho: P1 = P2i H1: P1 > P2 %3D
For one binomial experiment, ni = 75 binomial trials produced ri = 30 successes. For a second independent binomial experiment, n2 = binomial trials produced r2 = 50 successes. At the 5% level of significance, test the claim that the probabilities of success for the two binor experiments differ. (a) Compute the pooled probability of success for the two experiments. (Round your answer to three decimal places.) (b) Check Requirements: What distribution does the sample test statistic follow? Explain. O The Student's t. The number of trials is sufficiently large. O The standard normal. We assume the population distributions are approximately normal. O The Student's t. We assume the population distributions are approximately normal. O The standard normal. The number of trials is sufficiently large. (c) State the hypotheses. O Ho: P1 = P2i H1: P1 * P2 O Ho: P1 = P2i H1: P1 < P2 O Ho: P1 < P2i Hi: P1 = P2 O Ho: P1 = P2i H1: P1 > P2 %3D
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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