2. {4 points] According to a recent survey, i396 of web users share their password with others. Consider a random selection of 45 users and denote the proportion of them sharing their password as p. a. Calculate the mean and the standard error for p. b. Describe the sampling distribution of p and draw a graph of this probability distribution with its mean and standard deviation. c. What is the probability that less than 9098 of them are sharing their password with others? d. What is the probability that more than 6096 of them are sharing their password with others