A box contains four 40W bulbs, five 60W bulbs, and six 75W bulbs. Three bulbs are...
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A box contains four 40W bulbs, five 60W bulbs, and six 75W bulbs. Three bulbs are selected from the box. 1. What is the probability that exactly two of the three of the bulbs have the 75W rating? 2. What is the probability that only one bulb of any type is selected? A box contains four 40W bulbs, five 60W bulbs, and six 75W bulbs. Three bulbs are selected from the box. 1. What is the probability that exactly two of the three of the bulbs have the 75W rating? 2. What is the probability that only one bulb of any type is selected?
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And No of selicfed Bul bo 4ow bulbo in Rox 4 Gow 75 W Totl no of ... View the full answer
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