The HR department of a local company administers a litmus test to applicants. The mean score on the test is 245 with a standard deviation equal to 35 points. Assume normal distribution. 1) What is the probability that an applicant scores between 230 and 280 points? a. 0.6428 b. 0.??15 c. 0.8329 d. 0.5070 2) The manager wants to consider only those applicants who have scored in the top 5%. What score marks that cut-off point? a. 291 b. 220 c. 199 d. 303