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QUESTION 7 A sample of size 36 is chosen from a population. Assume the probability distribution is normal if the mean of the
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Solution:- Given that, X = 50 6 : 6 n = 36 At 99% confidence level the z is =1-990% Q=1 - 0.99 0.01 2 q =o.ol s 0.005 2 7x12=

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