Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. (a) The mean is enter your response here. (Type an integer or a decimal. Do not round.) Part 2 The variance is enter your response here. (Round to two decimal places as needed.) Part 3 The standard deviation is enter your response here. (Round to two decimal places as needed.) Part 4
Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results. (a) The mean is enter your response here. (Type an integer or a decimal. Do not round.) Part 2 The variance is enter your response here. (Round to two decimal places as needed.) Part 3 The standard deviation is enter your response here. (Round to two decimal places as needed.) Part 4
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 54E: Conditional probability If 40 of the population have completed college, and 85 of college graduates...
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Question
The histogram shows the distribution of hurricanes that have hit a country from 1851 through 2015, where 1 is the weakest level and 5 is the strongest level.
(a) Find the
(b) Interpret the results.
(a) The mean is
enter your response here.
(Type an integer or a decimal. Do not round.)
Part 2The variance is
enter your response here.
(Round to two decimal places as needed.)
Part 3The standard deviation is
enter your response here.
(Round to two decimal places as needed.)
Part 4(b) Interpret the results. Select all that apply.
The typical hurricane deviates from the mean by about 1 category level.
The average hurricane is approximately category 1.
The average hurricane is approximately category 2.
The typical hurricane deviates from the mean by about 2 category levels.
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