littlealien3787 littlealien3787

21-10-2022
Mathematics

Answered

a marketing research organization wishes to estimate the proportion of television viewers who watch a particular prime-time comedy on may 24th. the proportion is thought to be about 0.30. what is the least number(sample size) of viewers that should be randomly selected to ensure that a 95% confidence interval for the true proportion of viewers will have a width of 0.06 or less?

Answer :

Other Questions

why is sampling with replacement used? to ensure that the sample size is as small as possible to ensure that individuals cannot be selected twice to ensure that

a researcher wants to make a 95% confidence interval for the mean amount of time middle school students take to finish reading a book. if it is known that the s

an economist wishes to estimate the average family income in a certain population. the population standard deviation is known to be $4,500, and the economist us

an opinion poll of 4,000 (randomly selected) voters is con- ducted. the fraction of all voters in the population with an annual income above $50,000 is 35%. wha

a farmer needs to enclose three sides of a meadow with a fence (the fourth side is a cliff wall). the farmer has 34 feet of fence and wants the meadow to have a

oncerns about climate change and co2 reduction have initiated the commercial production of blends of biodiesel (e.g., from renewable sources) and petrodiesel (f

The ordered pair (a,b) satisfies the inequality yA. If you subtract 6 from b, it will be less than or equal to a.B. If you add 6 to a, it will be greater than b

An observation that causes the values of the slope and the intercept in the line of best fit to be considerably different from what they would be if the observa

what is the domain of the function graphed below? enter your answer using interval notation.

. a page of 100 square inches is to have margins of 0.5 inch on either side and 1 inch on top and bottom. find the dimensions of the page that will maximize the