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The number of school-related extracurricular activities per student Activities 1 2 3 4 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 Probability 6 7 ) Find the mean, variance, and standard deviation of the probability distribution. ..... he mean is. Round to one decimal place as needed.) he variance is Round to one decimal place as needed.) The standard deviation is . (Round to one decimal place as needed.) (b) Interpret the results. The standard deviation is so the typical number of activities per student The mean is. so the average student is involved in (Round to one decimal place as needed.)

The number of school-related extracurricular activities per student Activities 1 2 3 4 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 Probability 6 7 ) Find the mean, variance, and standard deviation of the probability distribution. ..... he mean is. Round to one decimal place as needed.) he variance is Round to one decimal place as needed.) The standard deviation is . (Round to one decimal place as needed.) (b) Interpret the results. The standard deviation is so the typical number of activities per student The mean is. so the average student is involved in (Round to one decimal place as needed.)

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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ne probablity distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 1 3 4 Probability 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is. (Round to one decimal place as needed.) The standard deviation is. (Round to one decimal place as needed.) (b) Interpret the results. V The standard deviation is so the typical number of activities per student The mean is so the average student is involved in (Round to one decimal place as needed.) Next 70°F H =1201 o séarch
Transcribed Image Text:ne probablity distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 1 3 4 Probability 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is. (Round to one decimal place as needed.) The standard deviation is. (Round to one decimal place as needed.) (b) Interpret the results. V The standard deviation is so the typical number of activities per student The mean is so the average student is involved in (Round to one decimal place as needed.) Next 70°F H =1201 o séarch
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities Probability 2 3 4 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 D (a) Find the mean, variance, and standard deviation of the probability distribution. deviates from the mean by about 2 activities. deviates from the mean by about 4 activities. does not deviate from the mean. deviates from the mean by more than 4 activities. so the typical number of activities per student V The standard deviation is (Round to one decimal place as needetn) Next 70°F H=/201 re to search
Transcribed Image Text:Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities Probability 2 3 4 0.059 0.123 0.162 0.177 0.214 0.127 0.084 0.054 D (a) Find the mean, variance, and standard deviation of the probability distribution. deviates from the mean by about 2 activities. deviates from the mean by about 4 activities. does not deviate from the mean. deviates from the mean by more than 4 activities. so the typical number of activities per student V The standard deviation is (Round to one decimal place as needetn) Next 70°F H=/201 re to search
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