You Pemdas - Parenthesis , Exponents ,
Multiplication , Division , Addition , And Subtraction , And Thats Should Help You Get Your Answer
Answer:
Look at the picture. The answer and the steps are all in it.
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
Likely because she has 1 out of 6 chances of rolling a 4
46%d+57%y=55%x42
x+y=42
Find y
x=42-y
46%(42-y)+57%y=23.1
19.31-46%y+57%y=23.1
11%y=23.1-19.31
11%y=3.79
y=34
The answer is D