A population of 1000 students spends an average of 1050 a da

A population of 1,000 students spends an average of $10.50 a day on dinner The standard deviation of the expenditure is $2.25. A simple random sample of 36 students is taken a What are the expected value, standard deviation, and shape of the sampling distribution of the sample mean? What is the probability that these 36 students will spend a combined total of more than $396? What is the probability that these 36 students will spend a combined total between S396.96 and $409.50?

Solution