Distribution of annual costs
For the most current year available, the mean annual cost to attend private university in United States was $26,889. Suppose the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,500.
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For most recent year available, the mean annual cost to attend a private university in the United States was $26,889. Assume the distribution of annual costs follows the normal probability distribution and the standard deviation is $4,500.
Find out out the sample proportion, p, of households with cellular telephones that can be used to access the internet. If the population proportion is .75, determine the standard error of the proportion.
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