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39. Use this information to answer questions 39-40. The owner of a used car lot estimates that 50% of the cars on his lot are worth about $2500, 25% are worth about $5000, 10% are worth about $ 10,000, and the rest are worth about $ 15,000. He is running a sweepstakes in which the winner blindly draws a key to one of these cars from a fishbowl and gets to keep the car that matches that key. What is the expected value of the prize car? A. $2,500 B. $5,750 C. $8,125 D. $15,000 40. What is the standard deviation? A. $20,062,500 B. $5,750 C. $4479.12 D. $12,500

39. Use this information to answer questions 39-40. The owner of a used car lot estimates that 50% of the cars on his lot are worth about $2500, 25% are worth about $5000, 10% are worth about $ 10,000, and the rest are worth about $ 15,000. He is running a sweepstakes in which the winner blindly draws a key to one of these cars from a fishbowl and gets to keep the car that matches that key. What is the expected value of the prize car? A. $2,500 B. $5,750 C. $8,125 D. $15,000 40. What is the standard deviation? A. $20,062,500 B. $5,750 C. $4479.12 D. $12,500

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 7P
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I understand this is two questions so is it okay if I ask both here and you dock two questions from my total? They are attached.

39. Use this information to answer questions 39-40. The owner of a used car lot estimates that 50% of the cars on his lot are worth about $2500, 25% are worth about $5000, 10% are worth about $10,000, and the rest are worth about $ 15,000. He is running a sweepstakes in which the winner blindly draws a key to one of these cars from a fishbowl and gets to keep the car that matches that key. What is the expected value of the prize car? A. $2,500 B. $5,750 C. $8,125 D. $15,000 40. What is the standard deviation? A. $20,062,500 B. $5,750 C. $4479.12 D. $12,500
Transcribed Image Text:39. Use this information to answer questions 39-40. The owner of a used car lot estimates that 50% of the cars on his lot are worth about $2500, 25% are worth about $5000, 10% are worth about $10,000, and the rest are worth about $ 15,000. He is running a sweepstakes in which the winner blindly draws a key to one of these cars from a fishbowl and gets to keep the car that matches that key. What is the expected value of the prize car? A. $2,500 B. $5,750 C. $8,125 D. $15,000 40. What is the standard deviation? A. $20,062,500 B. $5,750 C. $4479.12 D. $12,500
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