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A bag contains 5 red balls, x blue balls. If the probability of choosing a black ball at random is 9/20.find the value of x
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The life, in years, of a certain type of electrical switch has an exponential distribution with an average life b = 2. if 100 of these switches are installed in dif- ferent systems, what is the probability that at most 30 fail during the first year?
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Choose an object tha is about the sane length as real baseball bat explain how to estimate its length in feet
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A bag contains 5 red balls, x blue balls. If the probability of choosing a black ball at random is 9...
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