AnswersWHS Pre-Algebra - MA3119 B-CRTopic Test

Experimental vs. Theoretical Probability Answers

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Elisondra is eating at a restraurant with three friends. They want to choose at random who will order first. If you model the situation with the spinner, how many equal-sized sections should the spinner have?

A
One-fourth
Option A
B
1
C
3
D
4
2
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Spin the spinner. Who orders first?

Answer not available
3

Cloudiness is predicted for 0.272730270 days.

A
0.27
B
27
C
30
D
270
4

Sunshine is predicted for 0.360.403640

A
0.36
B
0.40
C
36
D
40
5

The weather forecast for next season calls for a 10% chance of wind, a 20% chance of rain, a 30% chance of clouds, and a 40% chance of sunshine. If there are 90 days in the season, what is the predicted frequency for each type of weather?

Answers:
The weather forecast for next season calls for a 10% chance of wind, a 20% chance of rain, a 30% chance of clouds, and a 40% chance of sunshine. If there are 90 days in the season, what is the predict:9
The weather forecast for next season calls for a 10% chance of wind, a 20% chance of rain, a 30% chance of clouds, and a 40% chance of sunshine. If there are 90 days in the season, what is the predict:18
The weather forecast for next season calls for a 10% chance of wind, a 20% chance of rain, a 30% chance of clouds, and a 40% chance of sunshine. If there are 90 days in the season, what is the predict:27
The weather forecast for next season calls for a 10% chance of wind, a 20% chance of rain, a 30% chance of clouds, and a 40% chance of sunshine. If there are 90 days in the season, what is the predict:36
6

What is the theoretical probability of the spinner landing on Elisondra’s section?

Answers:
Part 1:1/4
Spin the spinner. Who orders first?:Raquel
7

What could be predicted if Elisondra and her friends use the spinner to decide who orders first during 40 visits? Check all that apply.

A
A different person will order first every time.
B
Elisondra will order first approximately 10 times.
C
Diya will order first exactly 20 times.
D
The spinner will land on Elisondra’s section 40 times.
E
Each person will order first approximately the same number of times.
8

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Question illustration
A
0.20
B
0.25
C
0.35
D
0.50
9

Question text not available

Answer:

The spinner would have 10 sections. Wind would have 1 section, rain would have 2 sections, clouds would have 3 sections, and sunshine would have 4 sections. The sunny forecast is most likely.

10

Wind is predicted for days.

Answers:
Selection 1:9
Selection 2:18
Selection 3:27
Selection 4:36
11

Spin the spinner 90 times to simulate the 90-day weather forecast. Which type of weather has the lowest observed frequency?

A
wind
B
rain
C
clouds
D
sunshine
12

The theoretical probability for rain is 1/5. The experimental probability for rain is .

Answer not available
13

Which of the following did you include in your response? Check all that apply.

A
Wind has 1 section.
B
Rain has 2 sections.
C
Clouds has 3 sections.
D
Sunshine has 4 sections.
14

Rain is predicted for 0.180.201820 days.

A
0.18
B
0.20
C
18
D
20
15

The actual weather is the theoretical probability.

Answer not available

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