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Let x be a random variable that represents white blood cell count per cubic milliliter...

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Basic Math

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Let x be a random variable that represents white blood cell count per cubic milliliter of whole blood Assume that x has a distributi that is approximately normal with mean 7 600 and estimated standard deviation 1 700 A test result of x 3 500 is an indication of leukopenia This indicates bone marrow depression that may be the result of a viral infection LUSE SALT a What is the probability that on a single test x is less than 3 500 Round your answer to four decimal places b Suppose a doctor uses the average x for two tests taken about a week apart What can we say about the probability distribution of x The probability distribution of x is approximately normal with The probability distribution of x is not normal The probability distribution of x is approximately normal with 7600 and The probability distribution of x is approximately normal with 7600 and What is the probability of x 3 500 Round your answer to four decimal places 7600 and 850 1700 1202 0815 c Repeat part b for n 3 tests taken a week apart Round your answer to four decimal places

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