Let A denote the event that the next request for assistance from a statistical software consultant relates to the SPSS package, and let B be the event that the next request is for help with SAS. Suppose that P(A) = 0.20 and P(B) = 0.40. (There are various packages such as Minitab, SPSS, SAS, JMP, and R.) (a) Why is it not the case that P(A) + P(B) = 17 O The probabilities do not add to 1 because they are independent events. O The probabilities are not mutually exclusive and thus they do not need to add to 1. O The probabilities should add to 1; P(A) or P(B) must be recorded incorrectly. O The probabilities do not add to 1 because there are other software packages for which requests could be made. O The probabilities do add to 1. (b) Calculate P(A'). (c) Calculate P(AU B). (d) Calculate P(A'N B). Need Help? Read it Submit Answer 3:42 PM 2/3/2022 ENG DELL
Let A denote the event that the next request for assistance from a statistical software consultant relates to the SPSS package, and let B be the event that the next request is for help with SAS. Suppose that P(A) = 0.20 and P(B) = 0.40. (There are various packages such as Minitab, SPSS, SAS, JMP, and R.) (a) Why is it not the case that P(A) + P(B) = 17 O The probabilities do not add to 1 because they are independent events. O The probabilities are not mutually exclusive and thus they do not need to add to 1. O The probabilities should add to 1; P(A) or P(B) must be recorded incorrectly. O The probabilities do not add to 1 because there are other software packages for which requests could be made. O The probabilities do add to 1. (b) Calculate P(A'). (c) Calculate P(AU B). (d) Calculate P(A'N B). Need Help? Read it Submit Answer 3:42 PM 2/3/2022 ENG DELL
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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Transcribed Image Text:Let A denote the event that the next request for assistance from a statistical software consultant relates to the SPSS package, and let B be the event that the next request is
for help with SAS. Suppose that P(A) = 0.20 and P(B) = 0.40. (There are various packages such as Minitab, SPSS, SAS, JMP, and R.)
(a) Why is it not the case that P(A) + P(B) = 17
O The probabilities do not add to 1 because they are independent events.
O The probabilities are not mutually exclusive and thus they do not need to add to 1.
O The probabilities should add to 1; P(A) or P(B) must be recorded incorrectly.
O The probabilities do not add to 1 because there are other software packages for which requests could be made.
O The probabilities do add to 1.
(b) Calculate P(A).
(c) Calculate P(A U B).
(d) Calculate P(A'N B').
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