Final Exam Scores Narrative
Suppose a random sample of 25 students is selected from a community college where the scores on the final exam (out of 125 points) are normally distributed having mean equal to 112 and standard deviation equal to 12.
-Refer to Final Exam Scores Narrative. Find the probability that the sample mean deviates from the population mean = 112 by no more than 4.

Question

Final Exam Scores Narrative
Suppose a random sample of 25 students is selected from a community college where the scores on the final exam (out of 125 points) are normally distributed having mean equal to 112 and standard deviation equal to 12.
-Refer to Final Exam Scores Narrative. Find the probability that the sample mean deviates from the population mean  = 112 by no more than 4.

Quizplus · Accepted Answer

The Answer of Final Exam Scores Narrative
Suppose a random sample of 25 students is selected from a community college where the scores on the final exam (out of 125 points) are normally distributed having mean equal to 112 and standard deviation equal to 12.
-Refer to Final Exam Scores Narrative. Find the probability that the sample mean deviates from the population mean  = 112 by no more than 4.