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 Topic: Probability Theory (No comments here please)

 (Read 20103 times)
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  • Probability Theory (No comments here please)
     Reply #30 - August 03, 2014, 08:07 PM
    9.

    With reference to the table in problem 5 above, if we randomly select one of the total of 40 companies, find:

    a)   the probability that the company’s stock is ‘moderate to high risk’ given that the firm is an aerospace company;
    b)   the probability that the company’s stock is moderate to high risk given that the firm is a food retailer;
    c)   determine if the company’s type is independent of the level of risk of the firm’s stock.
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #31 - August 03, 2014, 08:07 PM
    10.

    John and Jane are married. The probability that John watches a certain television show is 0.4. The probability that Jane watches the show is 0.5. The probability that John watches the show, given that Jane does is 0.7.

    a)   find the probability that both John and Jane watch the show;
    b)   Find the probability that Jane watches the show, given that John does;
    c)   Do John and Jane watch the show independently of each other? Justify your answer.
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #32 - August 03, 2014, 08:08 PM
    11.

    Suppose that A and B are two independent events with P(A)=0.6 and P(B)=0.2.
    a)   Show that A and the complementary set of B, BC, are independent;
    b)   Compute P(A or B).
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #33 - August 03, 2014, 08:09 PM
    12.

    A company is manufacturing bulbs in two factories, A and B. Factory A manufactures 70% of the bulbs, of which 2% are defective. The percentage of defective bulbs manufactured by Factory B is 4%.

    What is the probability that a bulb manufactured by the company is defective?
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #34 - August 03, 2014, 08:09 PM
    Give these 12 questions a try, I will post the worked answers soon.
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #35 - August 21, 2014, 07:59 PM
    Answers:
    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #36 - August 21, 2014, 08:01 PM
    Q1

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #37 - August 21, 2014, 08:02 PM
    Q2

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #38 - August 21, 2014, 08:03 PM
    Q3

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #39 - August 21, 2014, 08:04 PM
    Q4

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #40 - August 21, 2014, 08:06 PM
    Q5

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #41 - August 21, 2014, 08:07 PM
    Q6

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #42 - August 21, 2014, 08:08 PM
    Q7

    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #43 - August 21, 2014, 08:11 PM
    Q8




    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #44 - August 21, 2014, 08:16 PM
    Q9





    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #45 - August 21, 2014, 08:19 PM
    Q10





    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #46 - August 21, 2014, 08:21 PM
    Q11



    My mind runs, I can never catch it even if I get a head start.
  • Probability Theory (No comments here please)
     Reply #47 - August 21, 2014, 08:22 PM
    Q12

    My mind runs, I can never catch it even if I get a head start.
  • Previous page 1 2« Previous thread | Next thread »