1/8 of the cake has not been eaten.
Answer:
m<9=130 it also equal to 180 so 130-180 makes m<4= 50
Answer: 0.4758
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
Also, the new population of pilots has normally distributed .
The formula to calculate the z-score :-

For x=130 lb .

For x=171lb.

The p-value =

Hence, the required probability : 0.4758
36.3 because the digit in the hundredths place is not 5 or greater