Harper is a sales person who sells computers at an electronics store. She makes a base pay amount of $100 per day regardless of sells and she earns a commission of 1% of the dollar amount of all sells that she makes. Write an equation for P, in terms of x, representing harpers total pay on a day on which she sells x dollars worth of computers.

  z=(x-mu)/sd 
z=(32-33)/.7 
z= -1.43 
look this up in z score table and you get .4236. This is the area above a weigth of 32 and below the mean weight of 33. So the proportion that are underweight = .5 - .4236 = .0764 

z=(x-mu)/sd 
1.645=(x-33)/.7 
Solving for x gives 34.15 
(we get 1.65 by finding the area above the mean of .4500 in the table. Bottom half (.5) + .4500 = .95)

Therefore, the answer would be letter A. 0.0764.

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