Choose the proportions of the scores of a trade school entrance exam when it exhibits the characteristics of normal distribution with mean and standard deviation 50 and 5, respectively.

a. What proportion of the scores on this examination would be greater than 60?

b. What proportion of the scores on this examination would be less than 45?

c. What proportion of the scores on this examination would be between 35 and 65?

Group of answer choices

0.9772, 0.1587, 0.9987

0.0228, 0.1587, 0.9974

0.9772, 0.8413, 0.0013

0.0228, 0.8413, 0.9987

0.9772, 0.8413, 0.9974

please show the correct answer