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.
Answer:
B and E
Step-by-step explanation:
Answer:
4.2
Step-by-step explanation:
its asymmetrical
Answer:
yes
Step-by-step explanation:
it should go in a straight line