intermediate algebra: ch.9.1 percents and probabilities
TRANSCRIPT
Ch.9.1_PercentsAndProbabilities.notebook
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March 13, 2012
Theoretical Probability of an event (E)
P(E) = # of desired outcomestotal # of outcomes
Coin Flip
P(tails) =
Rolling 6sided Dice
P(roll a 4) =
P(roll an odd #) =
Drawing Cards From a Standard Deck52 total cards4 suits (clubs, spades, hearts, and diamonds)12 face cards (J, Q, K)3 face cards per suit
P(draw a 7) =
P(draw a red card) =
P(draw a club) =
P(draw a black jack) =
Ch.9.1_PercentsAndProbabilities.notebook
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March 13, 2012
Experimental Probability of an event (E)
There are 30 players on the Dunlap Lacrosse Team. 2 players are 18 years old, 8 players are 17, 6 players are 16, 7 players are 15, and 7 players are 14.
What is the probability that a randomly selected playeris 16 or older?
Derrick Rose has made 1102 of 1349 career free throws. What is the probability that he misses a free throw?How many free throws is he expected to make if he has 300 attempts this season?
Ch.9.1_PercentsAndProbabilities.notebook
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March 13, 2012
Fundamental Counting PrincipleJack has 6 pairs of shoes, 15 pairs of pants/shorts, and 22 shirts. How many DIFFERENT outfits can hecreate?
4 coins are flipped. How many different headstails combinations are possible?
ATM machines use PIN numbers for security. If eachPIN number is 4digits long and only contains digits 09,how many unique PIN numbers exist?
Ch.9.1_PercentsAndProbabilities.notebook
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March 13, 2012
Two 6sided dice are rolled. What is the probabilitythat the 2 numbers add up to 8?
What is the probability that thesum is an odd number?