Unit 8 Probability Review Sheet NAME 1 If P A 0 26 and P B 0 41 and P A B 0 1 find the following a P A U B 2 If P G 0 42 P M 0 33 and G and M are independent what s the probability of G and M 3 If P Y 0 45 and P L 0 60 and P Y L 0 22 find the following a P Y U L 4 If P D 0 32 P R 0 13 and D and R are disjoint mutually exclusive what is the probability of D or R 5 Suppose in a lab 24 of the mice are albino 56 are brown and the rest are grey Hint Drawing a tree diagram with the probabilities will help answer these questions a What is the probability that a randomly selected mouse is i Grey ii Not albino iii Grey or Albino b If the type of mouse is independent of the next what is the probability that i 2 randomly selected mice are both brown ii 2 randomly selected mice are albino then brown iii 2 randomly selected mice are albino and grey iv 2 randomly selected mice are not grey v At least 1 out of 4 randomly selected mice is albino 6 In the parking lot of a large mall 64 of cars are foreign made 12 are the color blue and 8 are blue and foreign made cars a Draw a Venn Diagram b What is the probability that a randomly selected car was i A foreign car or a blue car ii Not a foreign car and a blue car 7 The following table shows the breakdown of sex and degree among a university s faculty What is the probability that a randomly selected professor is a Male and has a Doctorate b Male or has a Doctorate 8 A survey of 100 students showed the following 65 students liked Taco Bell 31 students liked Burger King 23 students liked Taco Bell and Burger King a Draw a Venn diagram for the information and place numbers correctly b How many students liked Taco Bell but not Burger King c How many people did not like Taco Bell or Burger King d How many people liked Burger King or Taco Bell 9 A survey was given to a local college about the new James Bond movies Create a Venn Diagram C Casino Royale Q Quantum of Solace S Skyfall 48 like C 43 liked Q 40 liked F 26 like C and S 24 liked Q and S 18 liked all three 30 liked C and Q 19 liked none of these films