The following distribution is for two populations (A and B) that have normal distributions for cholesterol. with known standard deviations and based on sample size 20. The shaded area in the given distribution is 0.475. If a sample (n=20) was taken from each population what is the probability that sample A is at least 9 units higher than that of sample B. 0.475 11 ХА-ХВ O 0.6923 O 0.1693 O 0.3123 O 0.8878 O 0.0912 O 0.2514 O 0.4269 O 0.975
The following distribution is for two populations (A and B) that have normal distributions for cholesterol. with known standard deviations and based on sample size 20. The shaded area in the given distribution is 0.475. If a sample (n=20) was taken from each population what is the probability that sample A is at least 9 units higher than that of sample B. 0.475 11 ХА-ХВ O 0.6923 O 0.1693 O 0.3123 O 0.8878 O 0.0912 O 0.2514 O 0.4269 O 0.975
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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Transcribed Image Text:The following distribution is for two populations (A and B) that have normal distributions for cholesterol. with
known standard deviations and based on sample size 20. The shaded area in the given distribution is 0.475. If
a sample (n=20) was taken from each population what is the probability that sample A is at least 9 units
higher than that of sample B.
0.475
11
XA-XB
O 0.6923
O 0.1693
O 0.3123
O 0.8878
O 0.0912
O 0.2514
O 0.4269
O 0.975
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