AnswersMath Models AUnderstanding Probability

Understanding Probability Answers

15 verified answers3 views
1
Free Preview

The probability of choosing an apple-flavored juice box out of the refrigerator without looking is 1. Which term best describes this probability?

A
impossible
B
unlikely
C
likely
D
certain
2
Free Preview

What is the probability of an event that is certain?

Answer not available
3

If the probability of an event is , what must be the probability of its complement?

Question illustration
A
StartFraction 1 over 7 EndFraction
Option A
B
StartFraction 2 over 7 EndFraction
Option B
C
StartFraction 4 over 7 EndFraction
Option C
D
StartFraction 5 over 7 EndFraction
Option D
4

What is the probability of the spinner landing on 2?

Question illustration
A
StartFraction 1 over 8 EndFraction
Option A
B
One-fourth
Option B
C
One-third
Option C
D
One-half
Option D
5

Which events have a probability of 25 percent? Select three options.

A
choosing a green jelly bean out of a bag that contains 2 green jelly beans, 1 red jelly bean, and 5 yellow jelly beans
B
rolling a number less than 3 on a six-sided die
C
spinning a number less than 2 on a spinner that has four equal sections numbered from 1 to 4
D
choosing an Oregon state quarter out a bag that contains 4 California state quarters, 3 Oregon state quarters, 6 Texas state quarters, and 3 New York state quarters
E
choosing a spade out of a standard deck of cards that contains 13 hearts, 13 clubs, 13 diamonds, and 13 spades
6

What is the probability of the complement of rolling a number less than 5 by using a six-sided die?

A
StartFraction 1 over 6 EndFraction
Option A
B
One-third
Option B
C
Two-fifths
Option C
D
Two-thirds
Option D
7

What is the probability of the complement of spinning an even number by using the spinner below?

Question illustration
A
StartFraction 3 over 8 EndFraction
Option A
B
One-half
Option B
C
StartFraction 5 over 8 EndFraction
Option C
D
StartFraction 7 over 8 EndFraction
Option D
8

Which best describes the complement of spinning any number less than 3?

Question illustration
A
spinning a 4
B
spinning a 3 or 4
C
spinning a 1 or 2
D
spinning a 1, 2, or 3
9

A bag contains 5 red marbles, 3 green marbles, 2 purple marbles, 2 orange marbles, and 1 blue marble.Which color marble is less likely to be picked than purple?

Question illustration
A
blue
B
orange
C
green
D
red
10

The probability of choosing a rotten apple from the bag of apples is . Which term best describes this probability?

Question illustration
A
impossible
B
unlikely
C
likely
D
certain
11

What is the probability of an event that is impossible?

Answer not available
12

What is the probability of the spinner landing on an odd number?

Question illustration
A
One-fourth
Option A
B
One-third
Option B
C
One-half
Option C
D
Three-fourths
Option D
13

The probability of choosing a green grape out of the bag that contains red and green grapes without looking is . Which term best describes this probability?

Question illustration
A
impossible
B
unlikely
C
likely
D
certain
14

If P(not yellow) = , which best describes the probability of the complement of the event?

Question illustration
A
P(yellow) =
Option A
B
P(yellow) =
Option B
C
P(not yellow) =
Option C
D
P(not yellow) =
Option D
15

Which value cannot represent the probability of an event occurring?

A
StartFraction 1 over 100 EndFraction
Option A
B
0.29
C
85%
D
Three-half
Option D
16

A bag contains 1 blue, 2 green, 3 yellow, and 3 red marbles, as shown. What is the probability of drawing a red marble out of the bag without looking?

Question illustration
A
StartFraction 1 over 9 EndFraction
Option A
B
StartFraction 2 over 9 EndFraction
Option B
C
One-third
Option C
D
One-half
Option D

Did you find these answers helpful?

More from this Course

Quiz
16 verified answers

Compound Events and Sample Space

Quiz
16 verified answers

Conditional Probability

Quiz
10 verified answers

Understanding Probability