IQ scores are normally distributed with μ=100 and σ=15. A simple random sample of n=30 students is taken, and their IQ scores are measured. If P(x>110)≈ .0001, interpret this as a proportion. x=x bar symbol A.) Only about 1 out of 1,000 samples will have a mean IQ larger than 110. B.) Only about 1 out of 1,000 samples will have a mean IQ smaller than 110 C.) Only about 1 out of 1,000 people have an IQ below 110. D.) Only about 1 out of 1,000 people have an IQ larger than 110.
IQ scores are normally distributed with μ=100 and σ=15. A simple random sample of n=30 students is taken, and their IQ scores are measured. If P(x>110)≈ .0001, interpret this as a proportion. x=x bar symbol A.) Only about 1 out of 1,000 samples will have a mean IQ larger than 110. B.) Only about 1 out of 1,000 samples will have a mean IQ smaller than 110 C.) Only about 1 out of 1,000 people have an IQ below 110. D.) Only about 1 out of 1,000 people have an IQ larger than 110.
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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IQ scores are
x=x bar symbol
A.) Only about 1 out of 1,000 samples will have a mean IQ larger than 110.
B.) Only about 1 out of 1,000 samples will have a mean IQ smaller than 110
C.) Only about 1 out of 1,000 people have an IQ below 110.
D.) Only about 1 out of 1,000 people have an IQ larger than 110.
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