CCSS.Math.Content.HSS.CP.A.3

Which of the following is false about binomial probabilities?

• Their distributions are approximately symmetric.
• Trials must be fixed.
• Events musts be independent.
• The probability of success must be 0.50

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CCSS.Math.Content.HSS.CP.A.3

In hockey, 5 players from each team take shots if the game ends in a tie (a shootout). The chances of making a goal in a shootout is low, only 14%. If the Caps and Penguins go into a shootout, what is the probability that the first goal scored is after the first four shots?

• 0.64
• 0.47
• 0.45
• 0.55

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CCSS.Math.Content.HSS.CP.A.3

Out of all those surveyed who wear shoes, what is the probability they were shorts(in simplest form)?

• 5/8
• 1/6
• 5/18
• 3/8

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CCSS.Math.Content.HSS.CP.A.3

What is the probability that they speak French given that they are a girl? 

• 2.14
• .24
• .4
• .8571

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CCSS.Math.Content.HSS.CP.A.3

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(1st orange then green)

• 1/15
• 2/15
• 3/31
• 1/5

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CCSS.Math.Content.HSS.CP.A.3

Which event is not a dependent event?

• Picking 2 students be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 blue crayons from a box
• Picking an earring, replacing it, then picking a 2nd earring

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CCSS.Math.Content.HSS.CP.A.3

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

• 27/40
• 1.48
• .008
• .0593

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CCSS.Math.Content.HSS.CP.A.3

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.Math.Content.HSS.CP.A.3

135 ÷ 180 would calculate the _______________ of females who prefer SUVs

• Joint Relative Frequency
• Marginal Relative Frequency
• Conditional Relative Frequency
• Marginal Frequency

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CCSS.Math.Content.HSS.CP.A.3

Given the probabilities P(A) =0.4 and P(A∪B) =0.6, what is the probability P(B): If A and B are mutually exclusive? If A and B are independent? 

• a) 0.2; 0.4
• b) 0.2; 0.33
• c) 0.33; 0.2
• d) 0.6; 0.33

Tags

CCSS.Math.Content.HSS.CP.A.3