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A copier cost $200 for each repair call, after 3 calls they are free (For example...

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Basic Math

A copier cost $200 for each repair call, after 3 callsthey are free (For example 1 call= $200, 3 or more calls = $600).The following chart shows the probability of how many repair callsyou will have in 1 year. Questions 36-37

pls show work

# Repairs

0

1

2

3 or more

Probability

0.30

0.41

0.20

0.10

36. What is the expected repair call costs for 1year?

  1. $150.00

  2. $200.00

  3. $206.00

  4. $220.00

  5. $300.00

37. What is the probability that one repair call costwill be more than $200 for 1 year?

  1. .70

  2. .40

  3. .30

  4. .20

  5. .10

38. The daily high temperature of Los Angeles in themonth of December is normally distributed with a mean of 58 degreesFahrenheit and a standard deviation of 2 degrees fahrenheit. Whatpercent of high temperatures are between 60 and 64?

  1. 68%

  2. 84%

  3. 15.85%

  4. 16%

  5. None of the above

39. If P(A) = 0.38, P(B) = 0.83, and P (A ? B) = 0.57;then P(A U B) =

  1. 1.21

  2. 0.64

  3. 0.78

  4. 1.78

  5. None of the above

Answer & Explanation Solved by verified expert
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36 What is the expected repair call costs for 1yearAnswer 2200037 What is the probability    See Answer
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