AP Statistics Chapter 6 Review (Probability) Flashcards

1

Which of the following is the mean μ of X?

360
0.40
600
90

2

What is the probability that a randomly-selected grapefruit weights more than 1.25 pounds?

0.0188
0.5987
0.4013
0.3156

3

Which of the following is the standard deviation of X?

0.4472
0.6325
0.4
1

4

Which of the following is the approximate standard deviation σ of X

0.24
0.40
9.20
19

5

For which of the following counts would a binomial probability model be reasonable?

The # of tickets written by officers in a big city in 1 day.
All of the above.
The # of 7’s in a randomly selected set of five digits.
The # of phone calls received in a one-hour period.

6

Question:

$1.00
$1.78
$1.41
$1.35

7

Which of the following is the mean of X?

1.2
0.5
2
1

8

Question:

.0418
.1056
.8944
.3944

9

The mean number of customers that make a purchase is

2.0
3.0
4.0
2.5

10

The standard deviation of the number of customers that make a purchase is

3.0
4.0
1.4
0.2

11

Question:

$1.00
$2.50
$4.00
$6.00

12

The value of P(X > $400) is

0.7881
0.1600
0.2881
0.2119

13

Which of the following random variables should be considered continuous?

The number of orders received in a randomly chosen week
The time it takes for a randomly chosen woman to run 100 m
The number of brothers a randomly chosen person has
The number of cars owned by a randomly chosen adult male

14

Question:

a geometric distribution with p = 0.5.
none of the above.
a binomial distribution with mean 50.
a normal distribution with a standard deviation of 5.

15

Question:

2/36
3/11
1/36
4/36

AP Statistics Chapter 6 Review (Probability)

Questions 15

AP Statistics Chapter 6 Review (Probability)

Questions 15