Suppose nine items are randomly sampled from a normally distributed population with a mean of 100 and a standard deviation of 20. The nine randomly sampled values are: Calculate the probability of getting a sample mean that is smaller than the sample mean for these nine sampled values.
A) 0.1411
B) 0.1612
C) 0.1512
D) 0.2266

Question

Suppose nine items are randomly sampled from a normally distributed population with a mean of 100 and a standard deviation of 20. The nine randomly sampled values are:  Calculate the probability of getting a sample mean that is smaller than the sample mean for these nine sampled values.
A) 0.1411 
B) 0.1612 
C) 0.1512 
D) 0.2266

Quizplus · Accepted Answer

The Answer of Suppose nine items are randomly sampled from a normally distributed population with a mean of 100 and a standard deviation of 20. The nine randomly sampled values are:  Calculate the probability of getting a sample mean that is smaller than the sample mean for these nine sampled values.
A) 0.1411 
B) 0.1612 
C) 0.1512 
D) 0.2266

Suppose Nine Items Are Randomly Sampled from a Normally Distributed