t the end of the spring semester, the dean of students sent a survey to the entire freshman class. One question asked the students how much weight they had gained or lost since ne beginning of the school year. he average was a gain of u = 9 pounds with a standard deviation of a = 6. The distribution of scores was approximately normal. sample of n = 4 students is selected, and the average weight change is computed for the sample. Vhat is the probability that the sample mean will be greater than M = 10 pounds? In symbols, what is p(M > 10) (four decimals)

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At the end of the spring semester, the dean of students sent a survey to the entire freshman class. One question asked the students how much weight they had gained or lost since
the beginning of the school year.
The average was a gain of u = 9 pounds with a standard deviation of o = 6. The distribution of scores was approximately normal.
A sample of n = 4 students is selected, and the average weight change is computed for the sample.
What is the probability that the sample mean will be greater than M = 10 pounds? In symbols, what is p(M > 10) (four decimals)
Transcribed Image Text:At the end of the spring semester, the dean of students sent a survey to the entire freshman class. One question asked the students how much weight they had gained or lost since the beginning of the school year. The average was a gain of u = 9 pounds with a standard deviation of o = 6. The distribution of scores was approximately normal. A sample of n = 4 students is selected, and the average weight change is computed for the sample. What is the probability that the sample mean will be greater than M = 10 pounds? In symbols, what is p(M > 10) (four decimals)
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