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aima
Questions (4)
b. A mobile company XYZ wants to conduct a survey to find the proportion P of those customers that are happy with the purchase
0 answers
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The standard deviation of the lifetime of certain TV picture tubes is estimated as 150 hours. How much large a sample must be
1 answer
618 views
a. An independent random sample of 50 and 70 animals from two farmsshow the average animal weight to be 50 kg and 40 kg with
1 answer
463 views
b. A mobile company XYZ wants to conduct a survey to find the proportion P of those customers that are happy with the purchase
0 answers
577 views
