Question

Q#3: IQ scores form a normal distribution with a mean of μ =100 and a standard deviation of σ = 15. What is the probability of obtaining a sample mean greater than M = 105? a. for a sample of n = 9 people? b. for a sample of n = 25 people? c. for a sample of n = 100 people

Name: q3 iq scores form a normal distribution with a mean of 100 and a standard deviation of 15 what is the probability of obtaining a sample mean greater than m 105 a for a sample of n 9 people b 14998
Uploaded: 2023-03-04T19:42:01-08:00
Duration: 3 min 18 s
Channel: Christopher Dzorkpata
Description: q3 iq scores form a normal distribution with a mean of 100 and a standard deviation of 15 what is the probability of obtaining a sample mean greater than m 105 a for a sample of n 9 people b 14998

          Q#3: IQ scores form a normal distribution with a mean of μ =100 and a standard deviation of  σ = 15. What is the probability of obtaining a sample mean greater than M = 105? 
a.  for a sample of n = 9 people? 
b.  for a sample of n = 25 people? 
c.   for a sample of n = 100 people

Added by Kelsey W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Christopher Dzorkpata

03/04/2023

Step 1

Step 1: Identify the given information - Population mean, μ = 100 - Population standard deviation, σ = 15 - Sample mean, M = 105 - Sample sizes: n = 9, 25, 100 Show more…

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Q#3: IQ scores form a normal distribution with a mean of μ =100 and a standard deviation of σ = 15. What is the probability of obtaining a sample mean greater than M = 105? a. for a sample of n = 9 people? b. for a sample of n = 25 people? c. for a sample of n = 100 people