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42When graphing a scatterplot of data points involving two variables, what do the letters LSRL stand for?

43Lucky Ducky is a badge awarded to a random user who visits FunTrivia every day. If 100,000 players visit FunTrivia on one day, including myself, what is the chance that I will win the badge?

44 House prices are followed closely by economists, who tend to favour a median (middle) measure rather than the mean (average). Why is that?

45Conditional Probability: There are four closed doors. Behind one of them is a car, and the other three are goats. You pick one door at random. The game host then opens two doors you didn't select that have goats behind each one. Now there are two doors unopened. The host then asks you whether you want to switch to the other unopened door. What is your probability of winning the car if you switch?

46 What is the probability you will get all 10 questions in this quiz correct if you narrow the options down so you have 2 answers to choose between, and 1 of them is correct?

47To pick a winning 4 digit lottery number, a lottery commissioner has four urns. Each urn contains ten balls. The balls in each urn are numbered zero through nine. One ball is picked out of each urn to make up one digit of the winning number. What are the odds that the winning number consists only of nines or zeros?

48 In mathematics, there is a statistical measure of the magnitude of a quantity which can take both positive and negative values. This measure is very useful for data points which are obtained from trigonometric functions. Its abbreviation is RMS. What does it stand for?

51 I choose two different numbers between 1 and 10 (1 and 10 are included). You try to guess the two numbers, in any order. How much chance do you have to guess both numbers correctly in one attempt?

52Suppose E and F are events in a sample space S. Suppose further that E has probability .2, F has probability .6, and the intersection of E and F has probability .1. What is the probability of the union of E and F?

53A card is selected at random from a standard 52 card deck. Assuming all cards are equally likely to be selected, what is the probability that a red card was selected given that a king was selected?

54 If you randomly flip 5 normal coins, then what is the probability that you roll 3 tails and 2 heads?

55A box contains one of each of the bills: $1, $5, $10, $20, $50, and $100. If you randomly draw three bills, then what are the odds that the three bills add to $75?

56The Labonte brothers don't start too well in this particular race, but Shelly's interest is piqued at the first commercial break--she has three particular ads that she really enjoys. If there are 40 different commercials for the network to choose from in this programming segment, and the commercial break has 5 ads (no repeats), what is the probability that Shelly will see all three of her favorite ads sometime in the first commercial break?

57 A spinner is divided into five equal sections, with each section having a different number from 1-5 written on it. When you spin the spinner once, the arrow lands on 1. You spin the spinner a second time. What is the probability that it lands on 1 again?

58What is the area under the curve of any probability distribution called?

59If you knew 2 of the answers to a multiple choice question were definitely incorrect, but randomly guessed between the other two, what is the probability that you are correct?