Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown. X 0 1 2 3 4 PX 0.3 0.1 0.1 0.1 0.4 Find the mean. Round your answer to one decimal place as needed. Mean:μ= Find the variance. Round your answer to one decimal place as needed. Variance: σ^2= Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: σ=

Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown. X 0 1 2 3 4 PX 0.3 0.1 0.1 0.1 0.4 Find the mean. Round your answer to one decimal place as needed. Mean:μ= Find the variance. Round your answer to one decimal place as needed. Variance: σ^2= Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: σ=

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

Traffic Accidents The county highway department recorded the following probabilities for the number of accidents per day on a certain freeway for one month. The number of accidents per day and their corresponding probabilities are shown.