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Question: created e3 6612 marks amman jordan it is found that...

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Created e3- (6+6-12 marks) Amman, Jordan, it is found that x-34 subscribe to HBO service. Partia(4+2-6 marks) In a random sample of n - 50 families owning of Find a 90% confidence interval for the that subscribe to HBO service. milies owning television sets in the city - ity true proportion of families with television sets in this c bity ef s 2- ifp is used as an estimate of p, can we be 90% confident that the error will not exceed 0.04 this Part ib (6 mark) The weights, in decagrams, of a sample of 10 packages of grass seed distribute certain company: yielded a sample mean of 46.12 and a variance of 0.286. Find a 85% confid for the true standard deviation of the weights of all such packages of grass seed distributed by this cop assuming a normal population. ss seed distributed bya ence interval

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