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Mathematics, 25.02.2021 19:50 kenishawilkinsoy4mgw

Suppose 88% of all batteries from a supplier have acceptable voltages. A certain type of flashlight requires two D batteries, and the flashlight will work only if both its batteries have acceptable voltages. Treat all batteries and flashlights as independent of one another. Suppose 20 randomly selected batteries are placed into 10 flashlights. What is the probability that at least 9 of the flashlights function properly

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Suppose 88% of all batteries from a supplier have acceptable voltages. A certain type of flashlight...
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