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7.1,7.2,7.3,7.4 Review

Total questions: 20

Worksheet time: 33mins

Name
Class
Date
1.

Which probability distribution is uniform?

a)

Probability of Heads: 3/4 Probability of Tails: 1/4

b)

Probability of Heads: 1/2 Probability of Tails: 1/2

c)

P(E)= 3/6 P(F)= 5/6

d)

P(E)= 7/13 P(F)= 6/13

2.

Which probability distribution is non-uniform?

a)

P(A)= 49/50 P(B)= 1/50

b)

P(A)= 1/2 P(B)= 1/2

3.

Choose the UNIFORM probability distribution.

a)

Heads: 51% Tails: 49%

b)

Rolling a 1: ⅙ Rolling a 2: ⅙ Rolling a 3: ⅙ Rolling a 4: ⅙ Rolling a 5: ⅙ Rolling a 6: ⅙

4.

Choose the NON-UNIFORM probability distribution.

a)

Heads: 51% Tails: 49%

b)

Rolling a 1: ⅙ Rolling a 2: ⅙ Rolling a 3: ⅙ Rolling a 4: ⅙ Rolling a 5: ⅙ Rolling a 6: ⅙

5.

What is a UNIFORM probability distribution?

a)

A probability distribution where every probability except one is equal.

b)

A probability distribution where every probability is unequal.

c)

A probability distribution where every probability except one is unequal.

d)

A probability distribution where every probability is equal.

6.

What is a NON-UNIFORM probability distribution?

a)

A probability distribution where every probability is equal.

b)

A probability distribution where every probability except one is unequal.

c)

A probability distribution where every probability is unequal.

d)

A probability distribution where every probability except one is equal.

7.

Which probabilty distribution is UNIFORM?

a)

P(A)= 67% P(B)= 33%

b)

P(A)= 50/100 P(B)= 50/100

8.

Red= 1/5 Green= 1/5 Blue= 1/5 Yellow= 1/5 Grey= 0.2

a)

Uniform

b)

Non-uniform

9.

A non-uniform probability distribution is when every probability has an equal chance of being selected/every outcome has an equal chance of happening.

a)

True

b)

False

10.

A uniform probability distribution is when every probability has an unequal chance of being selected/every outcome has an unequal chance of happening.

a)

True

b)

False

11.

A non-uniform probability distribution is when every probability has an unequal chance of being selected/every outcome has an unequal chance of happening.

a)

True

b)

False

12.

Heads= 1/4 Tails= 0.25 Coin rolled under the bed= 1/4 Coin exploded= 25%

a)

Uniform

b)

Non-uniform

13.

Dan rolled a number cube 20 times. The cube landed on the number 3 six times. What is the experimental probability that Dan will roll a number 3 the next time he rolls the number cube?

a)

310\frac{3}{10}

b)

25\frac{2}{5}

c)

35\frac{3}{5}

d)

710\frac{7}{10}

14.

Shia conducted an experiment with a spinner. The results are shown in the table. Based on this data, how many times can Shia expect to spin a 1 in the next 20 spins?

a)

8

b)

7

c)

5

d)

3

15.

Kanika has a bag of marbles with different colors, as shown above (1 green, 5 blue, 2 red, 4 pink). Find the THEORETICAL probability of picking a pink marble. P(pink) =

a)

4/12

b)

7/12

c)

4/28

d)

7/28

16.

Kanika has a bag of marbles with different colors, as shown above (1 green, 5 blue, 2 red, 4 pink). Find the THEORETICAL probability of picking a red marble. P(red) =

a)

2/12

b)

6/12

c)

2/28

d)

6/28

17.

Experimental Probability is ______

a)

data from our experiment

b)

our prediction

18.

Theoretical Probability is ____

a)

data from our experiment

b)

our prediction

19.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
20.
Probability can be written as ...
a)
a fraction
b)
a decimal
c)
a percent
d)
all of the above