Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find P77, which separates the bottom 77% from the top 23%. Round your answer to 1 decimal place.

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.

the answer is  

d.

8 m

hope you got it down chief.