According to a survey, high school students average 100 text messages daily. Assume that the population standard deviation is 20 text messages. Suppose a random sample of 48 high school students is taken. a. What is the probability that the sample mean is more than 105? Note: Round final answer to 4 decimal places. Probability b. What is the probability that the sample mean is less than 95? Note: Round final answer to 4 decimal places. Probability c. What is the probability that the sample mean is between 95 and 105? Note: Round final answer to 4 decimal places. Probability