AP Stats Chapter 6

AP Stats Chapter 6

12th Grade

15 Qs

quiz-placeholder

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AP Stats Chapter 6

AP Stats Chapter 6

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

CCSS
HSF.LE.B.5

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the wild, 400 randomly selected blooming azalea plants are observed and classified according to flower petal color (white, pink, or orange) and whether or not they have a fragrance. The table gives the results. If a single azalea plant is selected at random, which one of the following is the probability that it has pink flower petals or no fragrance?

0.04

0.635

0.595

0.555

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the wild, 400 randomly selected blooming azalea plants are observed and classified according to flower petal color (white, pink, or orange) and whether or not they have a fragrance. The table gives the results. Suppose a single azalea plant is chosen at random. Which of the following expressions establishes that the events “Fragrance” and “Pink” are not independent?

Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In a large city, 82% of residents own a cell phone. Suppose that we randomly select three city residents. What is the probability that at least one of the three residents does not own a cell phone? [The city is large enough so that we can assume independence].

0.994

0.449

0.006

0.551

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A jar contains 10 red marbles and 15 blue marbles. If you randomly draw two marbles from the jar (without replacement), what is the probability that they are the same color?

0.5

0.15

0.52

0.48

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

8% of the customers entering Irby's Books will make a purchase. What  is the probability that the next 3 customers will each make a purchase, assuming purchases are independent of each other?

0.000512

0.24

24

.064

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

8% of the customers entering Irby's Books will make a purchase. What  is the probability that at least 1 of the next 10 customers will make a purchase, assuming purchases are independent of each other?

0.566

0.44

.92

0.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the last four digits of a phone number are chosen by a random number generator, which number is more likely to occur:  2873 or 9999?

2873

9999

neither

both

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