16) (4pts) (7.43) NBC News reported that 1 in 20 children in the U.S. has a food allergy (May 2, 2013). Consider selecting 10 children at random. Define the random variable x as x = number of children in the sample of 10 that have a food allergy. Find the following probabilities. a) P(x ≥ 4) b) P(1 ≤ x ≤4)

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