Each can of a certain brand of sweet corn contains an average of 375 corn kernels with a standard deviation of8 in each can. It is assumed that the number of corn kernels follows a normal distribution. Yesterday, Winnie went to a local store and purchased four cans of corn.

(a) Find the probability that the average number of corn kernels in the cans purchased by Winnie will exceed 382.

(b)What is the maximum average number of corn kernels in the cans purchased will not be more than 10%?