Answer:
54 percent
Step-by-step explanation:
23 over 50 is .54
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
First expand the equation.
-5e+5+6e = -17
Next, combine the like terms.
e+5 = -17
e = -22
Answer:60
Step-by-step explanation:2 x 30=60
9.58 = 9 58/100 = 9 29/50