The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 students took the exam, and above a 60 is a passing grade, how many students failed the exam?

A. 13

B. 1

C. 2

D. 12

Use the radius you found in part I (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. Show your work and round your answer to the nearest tenth. The surface area of a sphere: SA = 4πr^2 Self note: 3.8.4

A probability that has exactly one stage or one experiment is called ___ probability.

A pair of rabbits cannot bear young until they are two months old. but once a pair reaches maturity, they will produce one new pair of rabbits each month.

Mary has used 160 tiles to cover 40% of the back splash in her kitchen. How many tiles will it take her to cover the entire back splash of her kitchen

Which of the following is a quantitative continuous variable? a. Where a family goes on vacation b. Distance a family travels on vacation c. Number of vacations a family takes per year d.

The difference of a number and five is negative one. Find the number.

Write 680,750 in expanded form

Jamal bait 5 pies Each pie is cut into 4 pieces and Jamal and his family eat 6 pieces of pie how many pieces are left.

Jerome bought 10 packets of drink mix. There were 25 packets of mix in each carton. He used 246 packets for a party. How many packets of drink mix did he have left?

Rihanna says she can draw different functions that have the same x-intercepts and the same domain and range. Her teammates say, "No that's impossible." But she insists, "We just need to sketch some graphs." 1. x-int.