The GMAT scores of MBA students is assumed to be distributed normally with a mean of 530 and a standard deviation of 80. The GMAT scores of ten students are selected randomly. What is the probability that at least 7 of the 10 students have SAT scores in excess of 550?© BrainMass Inc. brainmass.com October 2, 2020, 2:58 am ad1c9bdddf
Here is my solution:
There is the probability of a single student ...
The solution provides detailed explanations how to find out the total probability based on binomial distribution.