Posted by Jen on Tuesday, July 19, 2011 at 5:27pm.
Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

Math  Ms. Sue, Tuesday, July 19, 2011 at 5:33pm
What data do you have about Mr. Doodle's grading system?
Does he grade strictly on a curve? Do the majority of his student receive at least a B?
http://regentsprep.org/Regents/math/ALGEBRA/APR5/theoProp.htm

Math  Jen, Wednesday, July 20, 2011 at 10:10am
Yes, sorry about that...
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. I think it's 1.77777 ??
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