Addie has classes 4 days a week. She attends the class 6 days a week 25% of the time, 5 days 20% of the time, 4 days 18% of the time, 3 days 15% of the time, 2 days 10% of the time, 1 day 11% of the time, and no days 1% of the time. a. Construct a probability distribution table. b. Find the probability that Addie attends her class 2 to 3 times a week? c. Find the probability that Addie attends her class at least 2 times a week. d. What is the mean? e. What is the variance? f. What is the standard deviation

Addie has classes 4 days a week. She attends the class 6 days a week 25% of the time, 5 days 20% of the time, 4 days 18% of the time, 3 days 15% of the time, 2 days 10% of the time, 1 day 11% of the time, and no days 1% of the time. a. Construct a probability distribution table. b. Find the probability that Addie attends her class 2 to 3 times a week? c. Find the probability that Addie attends her class at least 2 times a week. d. What is the mean? e. What is the variance? f. What is the standard deviation

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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