A standard deck of playing cards contains 52 cards equally divided amount 4 suits, each suit has the cards 2 through 10 l, as well as a jack a queen a king and ace.. if the 3 of spades card is drawn from a standard deck and is not replaced, what is the probability that the next card drawn is a spade or a king

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?