Name ______Date ______Class ______
Quarter 2, Exam 3 Review Sheet Mr. Lynch
1) If the probability of an event occurring is .55, what is the probability of the same event not occurring?
2) Name 3 methods of assigning probability.
3) An urn contains 10 marbles, all identical except for color. There are 6 red marbles, 3 blue marbles, and 1 green marble. Find:
a) P(red) b) P(red or blue) c) P(green & red) d) P(black)
4) Consider a standard deck of 52 playing cards. Find:
a) P(king) b) P(ace or 5) c) P(picture card) d) P(not a diamond)
5) Alice wants to download music illegally on Limewire. Alice will choose between 3 rap songs (Soulja Boy, Fire, Get Buck in Here), 4 boy band albums (NKOTB, Backstreet, N'Sync, 98°) and 3 metal albums (Metallica, ACDC, & Black Sabbath). Construct a tree diagram to display all possible outcomes. Find:
a) P(ACDC) b) P(Fire & 98°) c) P(Soulja or ACDC) d) P(I Make it Rain)
6) Harris has to choose an outfit for the upcoming Freshmen Winter Mingle. He has a choice of 5 pairs of pants, 3 sneakers, and 6 hats. How many possible outfits can Harris wear?
7) Evaluate each of the following: a) 5! b) 7!/3! c) 12!/2!2!2!
d) 7P4 e) 11P7 f) 7C4 g) 9C3 h) 10P7
8) Label each of the following as DRV or CRV:
a) Amount of cars in the parking lot.
b) Volume of a cylinder.
c) Distance from Queens to Brooklyn.
d) Time spent on this review sheet.
e) Measure of the air pressure in a basketball.
9) The physical education department at Holy Cross wants to know the distribution of weights of freshmen women taking physical education. The weights of 1,000 women are shown in the table below:
a) Use relative frequency to calculate the probability of each weight grouping.
b) Construct a histogram to display the probability distribution.
c) Find the expected value.
d) Find the standard deviation.
e) Find:
P(115 - 199)
P(below 145)
P(at or above 160)
P(85 - 174)
Weight Grouping / Frequency70 - 84 / 16
85 - 99 / 91
100 - 114 / 210
115 - 129 / 420
130 - 144 / 150
145 - 159 / 83
160 - 174 / 21
175 - 199 / 9
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