50. A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen. (Round answer to four decimals.)
51. One card is selected from a deck of cards. Find the probability of selecting a black card or a king. (Round answer to four decimals.)
69. A clothing vendor estimates that 78 out of every 100 of its online customers do not live within 50 miles of one of its physical stores. Using this estimate, what is that probability that a a randomly selected online customer lives within 50 miles of a physical store? (Round answer to the nearest hundredths.)
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