Stat: Unit 4 Practice

If P(A)=.45 and P(B) = .26 and A and B are independent, what is P(A or B) =

• .71
• .45
• .593
• .26

Tags

CCSS.HSS.CP.B.7

The probability of someone being able to roll their tongue is .55. What is the probability that at least 1 person in the next 10 can roll their tongue.

• .99966

• .9975

• 5.5

• .879

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.8

CCSS.HSS.CP.B.9

If the sample spe is yes, no, never, what is alegitimate assignment of probabilities for this sample space.

• 1
• .3,.3,.3
• .2,.4,.8
• .2,.2,.6

In the game of rummicube the probability of winning each game is .4 and each game is independent of the next.  What is the probability you win the next 4 matches.

• .4
• .0256
• .6
• .9744

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.8

In the game of rummicube the probability of winning each game is .4 and each game is independent of the next.  What is the probability you win the next 4 matches.

• .4
• .0256
• .6
• .9744

In the game of rummicube the probability of winning each game is .4 and each game is independent of the next.  What is the probability you win the next 4 matches.

• .4
• .0256
• .6
• .9744

The probability of owning a cat is .4 and the probability of owning a dog is .7 and the probability of owning both is .2. What is the probability owning a cat but not owning a dog?

• .4

• .7

• .3

• .2

Tags

CCSS.HSS.CP.B.7

If you have 6 red starbursts and 7 yellow starbursts and you pick 3 candies out of a bag, what is the probability they are all yellow (without replacement)

• .096
• .462
• .1224
• .538

Tags

CCSS.HSS.CP.B.9

In the PVHS statistics club there are 50% who are athletes, 20% are band members and 30% are dance team members.  If they are athletes 20% are seniors, if they are band members 40% are seniors and if they at dance team 50% are seniors.  If they are seniors, what is probability they are an athlete. 

• .435
• 1/3
• 1/4
• .303

Tags

CCSS.HSS.CP.B.6

In the PVHS statistics club there are 50% who are athletes, 20% are band members and 30% are dance team members.  If they are athletes 20% are seniors, if they are band members 40% are seniors and if they at dance team 50% are seniors.  What is the probability they are senior

• .5
• .25
• .33
• .67

Tags

CCSS.HSS.CP.B.7