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A large study concluded 78% of all college students drink moderately. What is the probability a random sample of 225 college students will have a sample proportion that is within 5% of what the study...

it has been estimated that 65% of all computers being used in the classrooms are Macs. A random sample of 300 classrooms is selected and the number of macs is counted. What is the probability the...

Suppose that 40 percent of the hourly employees in a large film are in favor of union representation, and a random sample of 10 employees is contacted and asked for an anonymous response. What is...

because of high interest rates, a firm reports that 10 percent of its accounts receivable from other buisness films are over due. If an accountant takes a random sample of 8 such accounts determine...

Five males with a particular genetic disorder have one child each. The random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table describes...

A population is formed my placing 5 balls labelled 1,2,3,4 and 5 respectively. Mean of this population is 3. Someone who does not know the contents of this bag will estimate the balue of mean by randomly...

When a large number of a particular seed is planted, it is known that 70% of the seeds will germinate. In addition, the germination of one seed is independent of the germination of any other seed...

A population is formed my placing 5 balls labelled 1,2,3,4 and 5 respectively. Mean of this population is 3. Someone who does not know the contents of this bag will estimate the balue of mean by randomly...

Current research for social media usage shows a chronbach's alpha of 0.91 between gen xers and millennials. Can I use this value to calculate a good sample size for my own study? If so, how?

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