Basic Probability

Basic Probability

Assessment

Assessment

Created by

Robert Tinaro

Mathematics

9th - 12th Grade

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18 questions

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1.

MULTIPLE CHOICE

2 mins • 1 pt

Consider a couple who have four children, and all of the children were born separately (no twins, triplets, etc.). Also, assume having a male or female is equally likely. Use a tree diagram to find total number of birth orders, for example (male, female, male, female) is one possible birth order.


How many different birth orders of male and female are there?

2.

MULTIPLE CHOICE

30 sec • 1 pt

Consider a couple who have four children, and all of the children were born separately (no twins, triplets, etc.). Also, assume having a male or female is equally likely.


What is the probability of the couple having all females?

3.

MULTIPLE CHOICE

30 sec • 1 pt

Consider a couple who have four children, and all of the children were born separately (no twins, triplets, etc.). Also, assume having a male or female is equally likely.


How many outcomes consist of 2 males and 2 females?

4.

MULTIPLE CHOICE

1 min • 1 pt

Consider a couple who have four children, and all of the children were born separately (no twins, triplets, etc.). Also, assume having a male or female is equally likely.


What is the probability of the couple having at least one male?

5.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

Find P(the sum is greater than 7) =


6.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

Find P(the sum is NOT equal to 7) =

7.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

Find P(even number sum) =

8.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

Find P(doubles, i.e. 1, 1) =

9.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

If a student was randomly chosen from this population, find P(male) = ?

10.

MULTIPLE CHOICE

30 sec • 1 pt

Media Image

If a student was randomly chosen from this population, find P(Senior or male) = ?

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