Probability

A A pair of dice is rolled. What is the probability of getting a sum of 9? 2. A pair of dice is rolled. Find the probability of rolling a) a sum not more than 4, b) a sum not less than 11 c) a sum between 3 and 8 (exclusive). 3. One card is drawn from an ordinary deck of 52 cards. Find the probabilities of drawing the following cards. a. A 10 or 4 b. A black card or a 2 c. A 7 or a black 2 d. A heart or a black card e. A face card or a diamond Use a Venn diagram. Let P(Z) = 0.55, P(Y) = 0.23, and P(Z U Y) = 0.63. Find each probability. (a) P(Z'nY') (b) P(Z' UY') (c) P(Z' UY) (d) P(Z nY') 5. A single fair die is tossed. Find the odds in favor of rolling a number greater than 4. What are the odds in favor of rolling a number greater than 4? to 6 A survey asking mobile phone users how long they would wait for a page to load found the following results. Find the Time (Seconds) Percentage probabilities that a person would wait the following amounts. 20 24% 7 If two fair dice are rolled, find the probability that the sum of the dice is 9, given that the sum is greater than 4. If two fair dice are rolled, find the probability of the following result. A double, given that the sum was 5. Two cards are drawn without replacement from an ordinary deck. Find the probability that the second is a face card, given that the first is a face card. Two cards are drawn without replacement from an ordinary deck. Find the probability that two face cards are drawn