Question

Jill's bowling scores are approximately normally distributed with mean 170 and standard deviation 25, while jack's scores are approximately normally distributed with mean 160 and standard deviation 10. if jack and jill each bowl one game, then assuming their scores are independent random variables, find the probability that

Answer 1

Jill's bowling scores are approximately normally distributed with mean 170 and standard deviation 20,while Jack's scores are ... If Jack and Jill each bowl one game, then assuming that their scores are ... The difference of means of Jack and Jill follows a normal distribution with mean -10 and standard deviation is: 25.