Answer:
a,b,e
Step-by-step explanation:
Question 2 is B because 55 in fraction is 55/100 simplified by 11/20
It is given that the mean is 79.1 inches and standard deviation is 3.0 inches so it follows:

So the value from 75 to 81 is given by:

Use the table or a software to get the probability values and substitute to get the probability value as:
The probability is 0.6509.