An article suggests the uniform distribution on the interval (7.5, 22) 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 variance (b) What is the cdf of depth? F(x) = 0 x < 7.5 7.5 ≤ x < 22 1 22 ≤ x (c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.) What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.)
An article suggests the uniform distribution on the interval (7.5, 22) 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 variance (b) What is the cdf of depth? F(x) = 0 x < 7.5 7.5 ≤ x < 22 1 22 ≤ x (c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.) What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.)
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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An article suggests the uniform distribution on the interval (7.5, 22) 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.)
(b) What is the cdf of depth?
(c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.)
What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.)
mean | ||
variance |
(b) What is the cdf of depth?
F(x) =
0 | x < 7.5 | |
|
7.5 ≤ x < 22 | |
1 | 22 ≤ x |
(c) What is the probability that observed depth is at most 10? (Round your answer to four decimal places.)
What is the probability that observed depth is between 10 and 15? (Round your answer to four decimal places.)
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