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
¡Ü5 6-10 11-15 16-20 21-30 ¡Ý31
Relative Frequency 0.38 0.25 0.16 0.09 0.07 0.05
a. What is the probability that a randomly selected individual will have to travel 11 or more miles to work?
b. What is the probability that a randomly selected individual will have to travel between 6 and 15 miles to work?
c. Draw a Venn diagram that includes the relative frequency probabilities in the table.
d. Using the letter identifications provided, calculate the following probabilities: P(A or B or E); P(A or F); P(A¡¯ or B); or C¡¯).
Statistics - PsyDAG, Tuesday, July 21, 2009 at 7:53am
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