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AP Stats Mixed Review #2

Authored by Delery Janet

Mathematics

10th - 12th Grade

CCSS covered

Used 3+ times

AP Stats Mixed Review #2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an AP Statistics class, 57% of students eat breakfast in the morning, 80% of them floss their teeth, and 46% of the students do both.  What is the probability that a randomly chosen student eats breakfast but does not floss their teeth?

9%
11%
34%
91%

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A fair coin has come up "heads" 10 times in a row.  The probability that the coin will come up heads on the next flip is:

greater than 50%, it's due to happen.
50%
less than 50%, since tails is happening so much.
Can't be determined

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Pepsi is running a sales promotion in which 12% of all bottles have a "FREE" logo under the cap.  If you buy a 6-pack of bottles, what is the probability that you will find at least 1 "FREE" logo?

.464
.536
.12
0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A company states that 2% of its computers are returned for defects.  We take a sample of 100 computers to find the probability of 10 being defective.  Is this a binomial distribution?

No because there is not a fixed number of trials.
No because their are more than 2 outcomes.
Yes since there are a fixed number of independent trials, outcomes in 2 categories, and the probability of defect is constant.
No since computers would not be independent.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which represents the number of standard deviations from the mean for the 85th percentile?

2.58
-2.58
-1.04
1.04

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the probability that a family doesn't have a baby girl until their third child?

0.13
0.15
0.05
0.88

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.9

CCSS.HSS.CP.B.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

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