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Posted by on Tuesday, July 19, 2011 at 5:30pm.

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below.

Grade Number

A 45

B 180

C 110

D 95

F 65

I 5

If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

  • Math - , Wednesday, July 20, 2011 at 3:20pm

    P = 180 / (45+180+110+95+5) = 180/500 =
    9/25 = 0.36.

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