# Past Exam for MATH 110 - ELEM MATH MODELS at Maryland (UMD)

## Exam Information

 Material Type: Exam 3 Professor: Staff Class: MATH 110 - ELEM MATH MODELS Subject: Mathematics University: University of Maryland Term: Spring 2004 Keywords: UnauthorizedEither...orThe IndependentIndependentLawn MowersIn/on/at a PlaceConditionalExclusive OrIndependenceFollowing Problems    ## Sample Document Text

Name Section Math ttO,Exam 3A -------------------- --------- Show all work! May 3,2004  1. Let peA) = .35 and PCB) = .45. If A and B are mutually exclusive events, find the following. a) peA u B) b) peA (\ B)  2. A game consists of a player rolling one 4-sided die and drawing one card from a stack of 6 cards. The die has the numbers 1,2;3 ,or 4 respectively on its faces while the cards are printed with the letters A,B,C,D,E,or F respectively. a) Write a sample space of equally likely events that includes all possible outcomes for one player's tum at the game. b) List the elements in the event M, that the player rolls an even number and draws a consonant. c) Find the probability of rolling an odd number, given that you roll a number less than 4.  3. Circle the correct answer T F (a)Given sample space S ={x,y,z}, then P(x)=.7, P(y)=.3 and P(z)=.4, is a valid probability assignment. T F (b) If there is a 60% chance of rain today, then there is a 40% that it will not rain to...

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