Multiple Choice
A study of college dropouts models the number of undergraduate credits a student successfully earns prior to quitting using an exponential random variable.If the observed average number of credits earned is 22.5, what proportion of students drop out with more than 100 credits, assuming an exponential random variable is appropriate here?
A) 0.0117
B) 0.0392
C) 0.9802
D) 0.2250
Correct Answer:
Verified
Correct Answer:
Verified
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