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19. Amanda exercises by swimming each month. She does not want to swim more than seven times in a month. She swims exactly seven times a month 15 % of the time, swims six times in a month 10%, five times in a month 40%, four times in a month 5%, three times in a month 5%, two times in a month 5%, once a month 10% of the time, and zero times in a month 10% of the time. Through observation, she has established a probability distribution. A. Summarize the probability distribution function in a table. B. What is the expected value of Amanda swimming? Show your work. C. What is standard deviation? Show your work. D. Find the probability that Amanda swims more than 4 times a month. E. Find the probability that Amanda swims more than less than 3 times a month.

19. Amanda exercises by swimming each month. She does not want to swim more than seven times in a month. She swims exactly seven times a month 15 % of the time, swims six times in a month 10%, five times in a month 40%, four times in a month 5%, three times in a month 5%, two times in a month 5%, once a month 10% of the time, and zero times in a month 10% of the time. Through observation, she has established a probability distribution. A. Summarize the probability distribution function in a table. B. What is the expected value of Amanda swimming? Show your work. C. What is standard deviation? Show your work. D. Find the probability that Amanda swims more than 4 times a month. E. Find the probability that Amanda swims more than less than 3 times a month.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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19. Amanda exercises by swimming each month. She does not want to swim more than seven times in a month. She swims exactly seven times a month 15 % of the time, swims six times in a month 10%, five times in a month 40%, four times in a month 5%, three times in a month 5%, two times in a month 5%, once a month 10% of the time, and zero times in a month 10% of the time. Through observation, she has established a probability distribution. A. Summarize the probability distribution function in a table. B. What is the expected value of Amanda swimming? Show your work. C. What is standard deviation? Show your work. D. Find the probability that Amanda swims more than 4 times a month. E. Find the probability that Amanda swims more than less than 3 times a month.
Transcribed Image Text:19. Amanda exercises by swimming each month. She does not want to swim more than seven times in a month. She swims exactly seven times a month 15 % of the time, swims six times in a month 10%, five times in a month 40%, four times in a month 5%, three times in a month 5%, two times in a month 5%, once a month 10% of the time, and zero times in a month 10% of the time. Through observation, she has established a probability distribution. A. Summarize the probability distribution function in a table. B. What is the expected value of Amanda swimming? Show your work. C. What is standard deviation? Show your work. D. Find the probability that Amanda swims more than 4 times a month. E. Find the probability that Amanda swims more than less than 3 times a month.
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