Kara rode her bike to the store and bought two baskets of apples and a basket of grapefruit each basket of apples cost $6.75 and each basket of grapefruit costs $7.89 how much money does kara need to pay for her baskets

What is the value of x in the this question ?

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

I’m really confused and need to learn this