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A statistician wishing to test a hypothesis that students score at least 75 on the...

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A statistician wishing to test a hypothesis that students score at least 75 on the final exam in an introductory statistics course decides to randomly select 20 students in the class and have them take the exam early The average score of the 20 students on the exam was 78 and the standard deviation in the population is known to be o 15 The P value for the hypothesis Ho 75 vs Ha H 75 is OA 0 814 OB 0 186 OC 0 371 O D The answer cannot be determined with information provided

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