Afashion designer wants to know how many new dresses women buy each year. assume a previous study found the standard deviation to be 1.2. she thinks the mean is 7.9 dresses per year. what is the minimum sample size required to ensure that the estimate has an error of at most 0.12 at the 90% level of confidence? round your answer up to the next integer.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.