Previous Post
The SAT scores have an average of 1200 with a standard deviation of 200. A sample of 64 scores is selected.(a) What is the probability that the sample mean will be larger than 1222?(b) What is the probability that the sample mean will be less than 1232?(c) What is the probability that the sample mean will be between 1200 and 1219?(d) What is the probability that the sample mean will be greater than 1200?