Mathematics Homework Help

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Mathematics Homework Help. Can someone help answer these?

QUESTION 1

  1. Exhibit 5-10The probability distribution for the number of goals the Lions soccer team makes per game is given below.

    Number
    Of Goals


    Probability

    0

    0.05

    1

    0.15

    2

    0.35

    3

    0.30

    4

    0.15

    Refer to Exhibit 5-10. The expected number of goals per game is

4 points  

QUESTION 2

  1. It is known that 20% of the applications received for a particular credit card are
    rejected. What is the probability that among the next 15 applications there will be at least 1 rejections?

4 points  

QUESTION 3

  1. Which of the following is a required condition for a discrete probability function?

4 points  

QUESTION 4

  1. A university found that 3% of its students withdraw from an
    introductory course without completing it. Assume 10 students have
    registered for the course in a semester. Use appropriate tables to find:
    the probability that less than 2 will drop.

4 points  

QUESTION 5

  1. An insurance company has determined that each week an average of 10 claims are filed in their Atlanta branch. Assume that the Poisson distribution is applicable. What is the probability that during the next week exactly 3 claims will be filed?

4 points  

QUESTION 6

  1. A retailer determines that the average number of orders per day for a
    certain product is 5. Assume the Poisson distribution is applicable.
    What is the probability that at least 2 order is received on a given day?

4 points  

QUESTION 7

  1. An insurance company has determined that each week an average of 10
    claims are filed in their Atlanta branch. Assume that the Poisson distribution is applicable. What is the probability that during the next week less than 1 claims will be filed?

4 points  

QUESTION 8

  1. Using Z – tables find the probabilities that Z is greater than 2.32

4 points  

QUESTION 9

  1. Using Z – tables find the probabilities that Z is between -.67 and 1.72

4 points  

QUESTION 10

  1. Using Z – tables find z such that the area to the left of z is .6406

4 points  

QUESTION 11

  1. Using Z – tables find z such that the area to the right of z is .05

4 points  

QUESTION 12

  1. Exhibit 6-6The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standard deviation of $5,000.

    Refer to Exhibit 6-6. What is the probability that a randomly selected individual with an MBA degree will get a starting salary of at least $47,500?

4 points  

QUESTION 13

  1. For a normal distribution, a negative value of z indicates

Mathematics Homework Help

 
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