Find the indicated probability or percentage for the sampling error.
-Scores on a chemistry final exam are normally distributed with a mean of 280 and a standard deviation of 50. Determine the percentage of samples of size 4 that will have mean scores within 35 Points of the population mean score of 280.
A)91.92%
B)51.60%
C)99.48%
D)83.84%

Question

Find the indicated probability or percentage for the sampling error.
-Scores on a chemistry final exam are normally distributed with a mean of 280 and a standard deviation of 50. Determine the percentage of samples of size 4 that will have mean scores within 35 Points of the population mean score of 280. 
A)91.92%
B)51.60%
C)99.48%
D)83.84%

Quizplus · Accepted Answer

The Answer of Find the indicated probability or percentage for the sampling error.
-Scores on a chemistry final exam are normally distributed with a mean of 280 and a standard deviation of 50. Determine the percentage of samples of size 4 that will have mean scores within 35 Points of the population mean score of 280. 
A)91.92%
B)51.60%
C)99.48%
D)83.84%

Find the Indicated Probability or Percentage for the Sampling Error