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I ALREADY HAVE THE ANSWERS TO THESE QUESTIONS, BUT I AM LOOKING FOR THE WORK AND FORMULAS TO SOLVE AND UNDERSTAND THESE QUESTIONS BETTER.

I ALREADY HAVE THE ANSWERS TO THESE QUESTIONS, BUT I AM LOOKING FOR THE WORK AND FORMULAS TO SOLVE AND UNDERSTAND THESE QUESTIONS BETTER.


The weight of high school football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. 

  1. Refer to Exhibit 6-2. The probability of a player weighing more than 241.25 pounds is 

a. 0.4505 

b. 0.0495

 c. 0.9505 

d. 0.9010 

  1. Refer to Exhibit 6-2. The probability of a player weighing less than 250 pounds is 

a. 0.4772 

b. 0.9772 

c. 0.0528 

d. 0.5000 

  1. Refer to Exhibit 6-2. The probability of a player weighing less than 250 pounds can be computed using Excel's function 

a. NORM.DIST(250,200,25,TRUE) 

b. NORM.DIST(250,200,25,FALSE) 

c. NORM.S.DIST(250,TRUE)

d. NORM.DIST(250,200,25,1) 

  1. Refer to Exhibit 6-2. What percent of players weigh between 180 and 220 pounds? 

a. 28.81% 

b. 0.5762% 

c. 0.281% 

d. 57.62%  

  1. Refer to Exhibit 6-2. What is the minimum weight of the middle 50% of the players? 

a.    About 150 

b.    About 183 

c.    About 249 

d.    About 200 


  1. Refer to Exhibit 6-2. The minimum weight of the middle 50% of the players can be computed using Excel's function 

a. NORM.S.INV(0.25)

b. NORM.S.INV(0.50)

c. NORM.INV(0.25,200,25) 

d. NORM.INV(0.50,200,25) 

  1. Refer to Exhibit 6-2. What is the maximum weight of the middle 50% of the players? 
  2. About 250 
  3. About 217 
  4. About 151 
  5. About 200 

 

19. Refer to Exhibit 6-2. The maximum weight of the middle 50% of the players can be computed using Excel's function 

a. NORM.S.INV(0.025)

b. NORM.S.INV(0.50)

c. NORM.INV(0.75,200,25) 

d. NORM.INV(0.50,200,25) 

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