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Probability & Sampling

Authored by Aryana Bolourian

Other

7th Grade

Used 167+ times

Probability & Sampling
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11 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If the probability of a chance event is 0.2, it is more likely to happen than which of the following probabilities of another chance event?

0.1

0.4

0.3

0.75

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The probability of a chance event is 0.5, it is __________ to happen when compared to a chance event with a probability of 1.

More Likely

Less Likely

Equally Likely

Both More and Less Likely

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If the probability of a chance event is 0.82, it is more likely to happen than which of the following probabilities of another chance event?

0.74

0.98

0.85

1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Alex has a bag containing a mixture of 30 green and white marbles. Without looking, he guesses that half of the marbles in the bag are green. He randomly selected 1 marble from the bag, recorded the color, and returned the marble to the bag. After 15 trials, Alex has drawn 10 green marbles and 5 white marbles. Which of the conclusions below is best supported by his data?

There are the same amount of green and white marbles in the bag.

There are 10 green marbles and 5 white marbles in the bag.

There are more white marbles than green marbles in the bag.

There are more green marbles than white marbles in the bag.

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

There are 10 vanilla cupcakes, 13 chocolate cupcakes, and 4 red velvet cupcakes. If chosen randomly, what is the probability that you will pick a chocolate cupcake?

13

14/10

13/27

0

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Ben wants to try a new restaurant for dinner. His online search resulted in 7 new 3-star restaurants, 5 new 4-star restaurants, and 3 new 5-star restaurants. If he were to choose a restaurant at random, what is the probability that he chooses a 5-star restaurant?

10%

20%

33%

3%

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the probability the spinner will land on yellow during the next spin?

1/6

1/3

2/9

1/9

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