Quiz about Theoretical Probability 7th

Question 1

Using the simulation in the picture, what is the experimental probability that a hurricane will hit in at least 4 of the next 10 years?

Accepted Answer

$$\frac{1}{5}$$

Answer

$$\frac{1}{10}$$

Answer

$$\frac{2}{5}$$

Answer

$$\frac{1}{6}$$

Question 2

I have 10 blue, 15 red, and 12 green ornaments. What is the probability that I pick a yellow ornament at random?

Accepted Answer

0

Answer

$$\frac{10}{37}$$

Answer

$$\frac{15}{37}$$

Answer

$$\frac{12}{37}$$

Question 3

I have 10 blue, 15 red, 12 green, and 11 yellow ornaments. Which color would be least likely to be picked if you choose an ornament at random?

Accepted Answer

Blue

Answer

Red

Answer

Green

Answer

Yellow

Question 4

What is the probability of flipping two fair coins and having both show tails?

Accepted Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{1}{8}$$

Answer

$$\frac{1}{3}$$

Question 5

Mr. Cuba rolls a standard number cube 24 times. Which is the best prediction of the number of times he will roll a number that is even AND less than 4.

Accepted Answer

4

Answer

$$\frac{1}{6}$$

Answer

$$\frac{1}{3}$$

Answer

8

Question 6

You roll a standard number cube one time. What is the probability that you get a 3 or 4?

Accepted Answer

$$\frac{1}{3}$$

Answer

$$\frac{1}{6}$$

Answer

$$2$$

Answer

$$\frac{1}{2}$$

Question 7

Which proportion could help you find probability?

Accepted Answer

$$\frac{event}{total}$$

Answer

$$\frac{probability}{proportion}$$

Answer

$$\frac{heads}{tails}$$

Answer

$$\frac{Theoretical}{Experimental}$$

Question 8

[Select Multiple] Which of the following could be a probability?

Accepted Answer

1

Accepted Answer

.5

Accepted Answer

30%

Answer

-1

Answer

$$\frac{4}{3}$$

Question 9

Katrina has a bag of coins with 7 quarters, 4 dimes, 6 nickels, and 3 pennies. She will randomly select one coin from the bag. What is the probability of selecting a nickel?

Accepted Answer

$$\frac{3}{10}$$

Answer

$$\frac{7}{20}$$

Answer

$$\frac{3}{20}$$

Answer

$$\frac{4}{10}$$

Question 10

Which of the following shows the sample space of flipping two coins?

Accepted Answer

{HH, HT, TH, TT}

Answer

{H, T}

Answer

{HH, TT}

Answer

{HT, HT}

Question 11

What is the probability of spinning the spinner in the picture and landing on green?

Accepted Answer

$$\frac{3}{8}$$

Answer

$$\frac{3}{4}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{8}$$

Question 12

Make a prediction: You spin the spinner in the picture 32 times, how many can you expect to land on green?

Accepted Answer

12

Answer

3

Answer

32

Answer

8

Question 13

[True or False] You need to use an $$x$$ when finding probability.

Accepted Answer

False

Answer

True

Theoretical Probability 7th

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