AnswersCommon Core Math 7 - MA3107 CRFinding an Original Amount

Theoretical Probability Answers

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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
2
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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
3

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
4

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
5

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
6

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
7

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
8

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
9

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
10

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

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