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
Answer:
3360 dollars
Step-by-step explanation:
280 x 12 = 3360
Answer:
192 points
Step-by-step explanation:
he earned 120 points for passing 6 levels and getting 20 points per level
he earned 72 points for racing 45 laps and getting 24 points per every 15 laps
Answer:
x + 8
Step-by-step explanation:
when theres just an x or any number there it is the same as 1x
2x - 1x = 1x / x
1x + 8 aka x + 8
Each person gets 1 1/4 bars.
You divide the 5 bars by 4 people: 5/4 = 1 1/4
