Multiple Choice
Suppose a population has a mean of 400 and a standard deviation of 24.If a random sample of size 144 is drawn from the population,the probability of drawing a sample with a mean of more than 404.5 is _______.
A) 0.0139
B) 0.4861
C) 0.4878
D) 0.0122
E) 0.5000
Correct Answer:

Verified
Correct Answer:
Verified
Q28: The mean of the sample means is
Q44: A major limitation of nonrandom samples is
Q62: Catherine Chao,Director of Marketing Research,needs a sample
Q63: A sampling distribution is the distribution of
Q65: In an instant lottery,your chance of winning
Q68: Alice Zhong is the VP of operations
Q69: A carload of steel rods has arrived
Q71: Suppose 65% of all college students have
Q72: A population list,map,directory,or other source used to
Q78: The two major categories of sampling methods