Question 41 (Mandatory) (1 point) Consider the Venn diagram below, with the number of items in each set indicated. One item is selected from the universal set. Aneither A nor B) = Oalo Obj TI Question 42 (Mandatory) (1 point) The number of arrangements of ten items, with six alike and another four alike, is Obj LOI 8141 Od a! + 4! O d) 6! ' 4!Question 43 (Mandatory) (1 point] A seven-card hand is dealt from a standard deck. How many of these would contain at least six hearts? Od BCBG Question 44 (Mandatory) (1 point) A die is rolled until a five shows. What is the probability that a five first shows on the second roll? Oa T Od ToQuestion 45 (Mandatory) (1 point) In the game board shown, the disc @ can move diagonally toward the top of the board. If a solid square is encountered, the disc is blocked and may neither move into that square nor jump over it. How many paths are there to the top of the board? O al s O ) 21 O di 9 Question 46 (Mandatory) (1 point] If you toss three coins, what are the odds against them all landing heads up? al 8:1 O b) 7:1 O d) 7:8 O d) 1:8Question 47 (Mandatory) (1 point] In a coffee-shop promotion, when you roll up the rim, you will win $1000 in 1 out of 10 000 chances, $5 in 1 out of 100 chances and a $1 cup of coffee in 1 out of 5 chances. What is the expected winnings for each cup of coffee? O al $o.10 Obj $0.235 O ) $1006 Odd $0.35 Question 48 (Mandatory) (1 point) Which type of graph is not used with single variable statistics? O al histogram O b) scatter plot O d cumulative frequency polygon O d) bar graphQuestion 49 (Mandatory) (1 point) A bag contains 8 red, 7 green, 5 black and 10 yellow jelly beans. Six jelly beans are selected at random without replacement. Identify the type of distribution this situation implies. O al binomial Obj hypergeometric O d uniform O d) geometric Question 50 (Mandatory) (1 point) The table shows the percent drop in price of several MP3 players relative to their time since entering the market. Brand A B C E F G H Months on Market 7 3 1 14 12 4 2 2 9 Percent Drop 31 21 29 40 3 23 15 12 34 in Price The line of best fit has equation P= 1.2t+ 14.3, where Pis the percent drop in price and z is the time on the market, in months. r = 0.44. The line of best fit indicates that (a) as the time on the market increases, the price increases at a rate of 1.2% per month (Obj as the time on the market increases, the price increases by $1.20 per month Oo as the time on the market increases, the price drops at a rate of 1.2%% per month O d) as the time on the market increases, the price decreases by $1.20 per month
