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## Questions by Chris from Randolph, NJ

Which of the following 3 games of chance should you play? 1. Draw a card from a standard deck. If it is an ace, you win \$5; if it is red, you win \$1 ( a red ace wins \$6); anything else, you lose...

The probability that a patient will have a negative reaction to a certain medication is 0.03. The medication is administered to 75 patients. What is the expected number of negative reactions?

You pay \$1 for one of 1000 tickets at a fair. 4 numbers are drawn. The holder of the first number drawn will win \$500, the holders of the remaining 3 numbers will each receive \$100. What are your...

You roll a die. If you roll an odd number, you will receive as many dollars as the number rolled. If you roll an even number, you will lose as many dollars as the number rolled. What are your expected...

a. A sum of 7 is rolled exactly 2 times. b. A sum of 7 is rolled at least 2 times. c. A sum of 7 is rolled at most 2 times. d. A sum of 7 or 11 is rolled exactly 5 times. e. A sum...

a. One of your horses comes in first? b. Your two horses come in first and second? c. Both of your horses finish in the money (first, second, or third)? d. Neither of your horses finishes...