An article suggests the uniform distribution on the interval (8.5, 20) as a model for depth (cm) of the bioturbation layer in sediment in a certain region. (a) What are the mean and variance of depth? (Round your variance to two decimal places.) mean 14.25 variance 11.02 (b) What is the cdf of depth? x < 8.5 x- 8.5 F(x) = 8.5 sx< 20 11.5 1 20 sx (c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.) 0.1304 What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.) 0.4348 (d) What is the probability that the observed depth is within 1 standard deviation of the mean value? (Round your ansver to four decimal places.) 0.5773 What is the probability that the observed depth is within 2 standard deviations of the mean value? 3.3198
An article suggests the uniform distribution on the interval (8.5, 20) as a model for depth (cm) of the bioturbation layer in sediment in a certain region. (a) What are the mean and variance of depth? (Round your variance to two decimal places.) mean 14.25 variance 11.02 (b) What is the cdf of depth? x < 8.5 x- 8.5 F(x) = 8.5 sx< 20 11.5 1 20 sx (c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.) 0.1304 What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.) 0.4348 (d) What is the probability that the observed depth is within 1 standard deviation of the mean value? (Round your ansver to four decimal places.) 0.5773 What is the probability that the observed depth is within 2 standard deviations of the mean value? 3.3198
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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