3. A 95% confidence interval of the form p + E will be used to obtain an estimate for an unknown population
proportion p. If p is the sample proportion and E is the margin of error, which of the following is the smallest
sample size that will guarantee a margin of error of at most 0.08?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)