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Question 3. Suppose that 15% of the population is left-handed. Find the probability that in group of 50 individuals there will be i. at most

Question 3. Suppose that 15% of the population is left-handed. Find the probability that in group of 50 individuals there will be i. at most 10 left-handers, ii. at least 5 left-handers, iii. between 3 and 6 left-handers inclusive, and iv. exactly 5 left-handers. Use EXCEL to nd the solutions. Question 4. Determine the value of z0 such that: i. P (-z0 Z <= z0) = 0:90 ii. P (Z <= z0) = 0:90

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