SOLUTION: A fruit company guarantees that 95% of the pineapples it ships will ripen within 4 days of delivery. Find the probability that at least 10 pineapples in the case of 12 are ripe wit

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Question 1150035: A fruit company guarantees that 95% of the pineapples it ships will ripen within 4 days of delivery. Find the probability that at least 10 pineapples in the case of 12 are ripe within four days
Answer by VFBundy(438) About Me  (Show Source):
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Probability that all 12 pineapples will ripen within four days: %280.95%29%5E12 = 0.5404
Probability that exactly 11 pineapples will ripen within four days: %280.95%29%5E11+%2A+%280.05%29%5E1+%2A+%2812%21%2F%2811%21%2A1%21%29%29 = 0.3413
Probability that exactly 10 pineapples will ripen within four days: %280.95%29%5E10+%2A+%280.05%29%5E2+%2A+%2812%21%2F%2810%21%2A2%21%29%29 = 0.0988

Probability that "at least 10" pineapples will ripen within four days: 0.5404+%2B+0.3413+%2B+0.0988 = 0.9805