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3. Using the z-table and t table, solve the following problems. a. Given a normal distribution with mean = 35 and standard deviation = 8, find the probability that X assumes a value i. less than 40 ii. between 30 and 40 iii. more than 55

3. Using the z-table and t table, solve the following problems. a. Given a normal distribution with mean = 35 and standard deviation = 8, find the probability that X assumes a value i. less than 40 ii. between 30 and 40 iii. more than 55

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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3. Using the z-table and t table, solve the following problems. a. Given a normal distribution with mean = 35 and standard deviation = 8, find the probability that X assumes a value i. less than 40 ii. between 30 and 40 iii. more than 55 b. Find the following values on the t-table: i. to.025 when v = 13. ii. to.99 when v=9. c. Find k such that P(k <T<2.807) = 0.945 when T~t (U-23).
Transcribed Image Text:3. Using the z-table and t table, solve the following problems. a. Given a normal distribution with mean = 35 and standard deviation = 8, find the probability that X assumes a value i. less than 40 ii. between 30 and 40 iii. more than 55 b. Find the following values on the t-table: i. to.025 when v = 13. ii. to.99 when v=9. c. Find k such that P(k <T<2.807) = 0.945 when T~t (U-23).
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