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Mathematics, 18.05.2021 06:50 youngsavage10120

the researcher wants to estimate the number of hours that 5 year old children spend watching television. a sample of 50 five year old children was observed to have a mean viewing time of 3 hours. the population is normally distributed with a population standard deviation 0.5,find the best point of the population mean and the 95& confidence interval of the population mean

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