Laura received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.63 per pound. After buying the coffee, she had $55.48 left on her card. How many pounds of coffee did she buy?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is