Essay
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Given a population with mean μ=120 and variance σ2 = 81,the central limit applies when the sample size is large-enough.A random sample of size n = 36 is obtained.
-What is the probability that the sample mean is at most 121.5?
Correct Answer:
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P( 
≤ 121....View Answer
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Correct Answer:
Verified
≤ 121....View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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