Binomial probability
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1. Approximately 80% of the food service establishments in Los Angeles County have received a food safety grade of "A" from health safety inspectors (Source: Los Angeles Times, 3/31/01). If we randomly select six such establishments, then find:
a. the probability that five of them have received a grade of "A."
b. the probability that at least five of them received a grade of "A."
c. the probability that less than four of them received an "A."
d. the mean, variance, and standard deviation of this binomial experiment.
es claim? Assume standard deviation = 4.
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Solution Summary
This solution gives the step by step method for computing binomial probability.
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