Answer: 141
Step-by-step explanation:
23 1/2 *6=141
Answer:
0.097
Step-by-step explanation:
I think you have to count 85 and go down like 85 86 87so the answer is 15
Answer: A= (3,-3) . B(4,1). C= (1,0)
Step-by-step explanation:
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