AnswersFL-1205040-MJ Grade 7 Mathematics A-CRUnit Test

Understanding Probability Answers

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1
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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
2
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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
3

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
4

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
5

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
6

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
7

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
8

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
9

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
10

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

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