Probability and Statistics
posted by jim
According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. You randomly select peanut M&M’s from an extralarge bag looking for an orange candy. (Round all probabilities below to four decimal places; i.e. your answer should look like 0.1234, not 0.1234444 or 12.34%.)
Compute the probability that the first orange candy is the ninth M&M selected.
Compute the probability that the first orange candy is the ninth or tenth M&M selected.
Compute the probability that the first orange candy is among the first nine M&M’s selected.
If every student in a large Statistics class selects peanut M&M’s at random until they get a orange candy, on average how many M&M’s will the students need to select? (Round your answer to two decimal places.)
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