AP Stats CED Unit 2 Review

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the best response.
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the best response.
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the best response.
A
B
C
D
E
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A friend has placed a large number of plastic disks in a hat and invited you to select one at random. He informs you that half are red and half are blue. If you draw a disk, record the color, replace it, and repeat 100 times, which of the following is true?
It is unlikely you will choose red more than 50 times.
If you draw 10 blue disks in a row, it is more likely you will draw a red on the next try.
The overall proportion of red disks drawn should be close to 0.50.
The chance that the 100th draw will be red depends on the results of the first 99 draws.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A die is loaded so that the number 6 comes p three times as often as any other number. What is the probability of rolling a 4, 5, or 6?
2/3
1/2
5/8
1/3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dealer in Las Vegas selects 10 cards from a standard deck of 52 cards. Let Y be the number of diamonds in the 10 cards selected. Which of the following best describes this setting?
Y has a binomial distribution with n = 10 observations and probability of success p = 0.25.
Y has a binomial distribution with n = 10 observations and probability of success p = 0.25, provided the deck is shuffled well.
Y is a binomial distribution with n = 10 observations and probability of success p = 0.25, provided that after selecting a card it is replaced in the deck and the deck is shuffled well before the next card is selected.
Y has a geometric distribution with n = 10 observations and probability of success p = 0.25
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Le the random variable X represent the amount of money Carl makes tutoring statistics students in the summer. Assume that X is Normal with mean $240 and standard deviation $60. The probability is approximately 0.6 that, in a randomly selected summer, Carl will make less than about
$144
$216
$255
$30
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