1. What is the probability of an earthquake at least once in 7 years if the probability of an earthquake in a single year is 2.02%? The probability is approximately ____ % (Simplify your answer. Round to two decimal places as needed.) 2. If one card is dealt from a standard deck of 52 cards, what is the probability of getting a diamond or a heart? The probability is ________ (Simplify your answer.) 3. What is the probability of drawing 3 fours in a row from a standard deck of cards when the cards are not returned to the deck after each draw? The probability is _______. (Simplify your answer.) 4. Suppose that a production run of 102 circuit boards has 3 defective boards and that two boards are selected randomly for testing. Find the following probabilities. a P(first and second boards are defective) =______% (Simplify your answer. Round to two decimal . places as needed.) b P(first board is defective and second board is not defective)= ____ % (Simplify your answer. Round to . two decimal places as needed.) c. P(first and second boards are not defective) = ______% (simplify your answer. Round to two decimal places as needed.)