ONLY ILLUSTRATE THE DISTRIBUTION OF MEAN. DO THIS TYPEWRITTEN FOR UPVOTE, NO UPVOTE FOR HANDWRITTEN, THANK YOU Given, Given, a) sample size(n) = 27 mean(u) = 789 s tan dard deviation(a) = 348 sample size(n) = 25 mean(u) = 70 s tan dard deviation(o) = 112 Required probability is P( x < 650 Required probability is X > 100 -) 650-p = P 100- = P = P Z < 650–789 100-70 = P Z > = P(Z < -2.08) = P(Z > 1.34) from Z-table = 0, 0901 from Z – table = 0.0188 The probability that the mean price is less than 650 is 0.0188. b) Given, sample size(n) = 42 mean(u) = 10 s tan dard deviation(6) = 13 Required probability is P( 9
ONLY ILLUSTRATE THE DISTRIBUTION OF MEAN. DO THIS TYPEWRITTEN FOR UPVOTE, NO UPVOTE FOR HANDWRITTEN, THANK YOU Given, Given, a) sample size(n) = 27 mean(u) = 789 s tan dard deviation(a) = 348 sample size(n) = 25 mean(u) = 70 s tan dard deviation(o) = 112 Required probability is P( x < 650 Required probability is X > 100 -) 650-p = P 100- = P = P Z < 650–789 100-70 = P Z > = P(Z < -2.08) = P(Z > 1.34) from Z-table = 0, 0901 from Z – table = 0.0188 The probability that the mean price is less than 650 is 0.0188. b) Given, sample size(n) = 42 mean(u) = 10 s tan dard deviation(6) = 13 Required probability is P( 9
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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