# Question: Students in a large accounting class were asked to rate

Students in a large accounting class were asked to rate the course by assigning a score of 1, 2, 3, 4, or 5 to the course. A higher score indicates that the students received greater value from the course. The accompanying table shows proportions of students rating the course in each category.

Find the mean and standard deviation of the ratings.

Find the mean and standard deviation of the ratings.

## Relevant Questions

A store owner stocks an out-of-town newspaper that is sometimes requested by a small number of customers. Each copy of this newspaper costs her 70 cents, and she sells them for 90 cents each. Any copies left over at the end ...For a Bernoulli random variable with probability of success P = 0.5, compute the mean and variance. Suppose that the probability is 0.2 that the value of the U.S. dollar will rise against the Chinese yuan over any given week and that the outcome in one week is independent of that in any other week. What is the probability ...A campus finance officer finds that, for all parking tickets issued, fines are paid for 78% of the tickets. The fine is $2. In the most recent week, 620 parking tickets have been issued. a. Find the mean and standard ...The number of accidents in a production facility has a Poisson distribution with a mean of 2.6 per month. a. For a given month what is the probability there will be fewer than 2 accidents? b. For a given month what is the ...Post your question