5.22 A survey of employees at a large company found the following relative frequencies for the one-way distances they had to travel to arrive at work: .                                                        Number of Miles (One-Way)                                                                       A                    B                 C               D          E         F                             _5                   6–10           11–15       16–20   21–30  _3   Relative   Frequency      0.38         0.25           0.16              0.09        0.07   0.05   What is the probability that a randomly selected individual will have to travel 11 or more miles to work? What is the probability that a randomly selected individual will have to travel between 6 and 15 miles to work? Draw a Venn diagram that includes the relative frequency probabilities in the table.

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5.22 A survey of employees at a large company found the following relative frequencies for the one-way distances they had to travel to arrive at work:

.

                                                       Number of Miles (One-Way)

                                                

                     A                    B                 C               D          E         F          

                  _5                   6–10           11–15       16–20   21–30  _3   Relative

  Frequency      0.38         0.25           0.16              0.09        0.07   0.05

 

  1. What is the probability that a randomly selected individual will have to travel 11 or more miles to work?
  2. What is the probability that a randomly selected individual will have to travel between 6 and 15 miles to work?
  3. Draw a Venn diagram that includes the relative frequency probabilities in the table.
  4. Using the letter identifications provided, calculate the following probabilities:

 P(A or B or E); P(A or F); P(A9 or B); P(A or B or C9).

 

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