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Module 5 Lesson 7.notebook
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Do Now
Module 5: Lesson 7
Homework4/5/16
Lesson 7 Problem setALL
Exit Ticket from Lesson 6
Module 2 Packet due Friday 4/8
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Anticipatory SetAnswer the following in complete sentences.
1.) Using your knowledge of American History, describe what independence and dependence means.
Independence Dependence
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Independent Events: One event does NOT effect the probabilityof the other.
Dependent Events: One event does effect the probabilityof the other.
State whether each set of events is independent or dependent. Explain each answer.1.) Erica flips a coin and then she rolls a die.
2.) John chooses a classmate for his group and then chooses another classmate for his group.
3.) Jane rolls a six sided die and then rolls another six sided die.
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Theoretical Probability of Two Independent EventsP(A and B) =
1.) Find the theoretical probability of getting a head on a coin and then rolling a five on a six sided die.
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Theoretical Probability of Two Dependent EventsP(A and B) =
2.) Steve has three $1 bills, five $10 bills, and two $20 bills in his wallet. If he picks one bill at a time at random, what is the probability of him picking two $20 bills?
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1.) A reading list contains 5 historical books and 3 science-fiction books. What is the probability that Alex will randomly choose a historical book for his first report and a science-fiction book for his second without replacement?
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scie
nce-
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scie
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2.) Find the probability of choosing a green marble at random from a bag a 5 green and 10 white marbles and then getting a tail on a coin flip.
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3.) Jill has seven quarters in her pocket. Of these, three are “Delaware” quarters, two are “Georgia” quarters, one is a “Connecticut” quarter, and one is a “Pennsylvania” quarter. Jill removes one quarter at random and then removes a second quarter at random without replacing the first quarter. What is the probability that both will be “Delaware” quarters?
Connecticut
Georgia
Pennsylvania
Delaware
Delaware
Georgia
Delaware
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4.) On a multiple choice test, each question had four possible answers. A student does not know the answers to two questions, so he guesses. What is the probability that the student will get both answers wrong?
1.) The sky is:
a.) Blue b.) Black c.) Red d.) Orange
2.) 2 + 2 =
a.) 2 b.) 3 c.) 4 d.) 5
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5.) In a bag there are 5 blue, 2 red, and 3 green marbles. What is the probability of choosing a blue marble at random and then choosing a green marble if you replace the first marble?
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Closing:
Is the Powerball Lottery an independent or dependent event?
How is the probability calculated?
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