Find the indicated probability or percentage for the sampling error.
-Scores on an aptitude test are distributed with a mean of 220 and a standard deviation of 30. The shape of the distribution is unspecified. What is the probability that the sampling error made in
Estimating the population mean by the mean of a random sample of 50 test scores will be at most 5 points?
A)0.881
B)0.135
C)0.762
D)Cannot be determined, because the distribution of the population is not known to be normal.

Question

Find the indicated probability or percentage for the sampling error.
-Scores on an aptitude test are distributed with a mean of 220 and a standard deviation of 30. The shape of the distribution is unspecified. What is the probability that the sampling error made in
Estimating the population mean by the mean of a random sample of 50 test scores will be at most 5 points? 
A)0.881
B)0.135
C)0.762
D)Cannot be determined, because the distribution of the population is not known to be normal.

Quizplus · Accepted Answer

The Answer of Find the indicated probability or percentage for the sampling error.
-Scores on an aptitude test are distributed with a mean of 220 and a standard deviation of 30. The shape of the distribution is unspecified. What is the probability that the sampling error made in
Estimating the population mean by the mean of a random sample of 50 test scores will be at most 5 points? 
A)0.881
B)0.135
C)0.762
D)Cannot be determined, because the distribution of the population is not known to be normal.

Find the Indicated Probability or Percentage for the Sampling Error