Simple Probability

Probability

Multiple Choice

The likelihood that an event will occur

• outcome

• experiment

• probability

• certain

Multiple Choice

Probability can be written as ...

• fraction

• decimal

• percent

• all the above

Probability Likelihood

Multiple Choice

An event has a 0% chance of happening. This event is ___.

• impossible

• certain

• likely

• not likely

• equally likely

Multiple Choice

An event has a 50% chance of happening. This event is ___.

• impossible

• certain

• likely

• not likely

• equally likely

Multiple Choice

An event has a 75% chance of happening. This event is ___.

• impossible

• certain

• likely

• not likely

• equally likely

Multiple Choice

An event has a 100% chance of happening. This event is ___.

• impossible

• certain

• likely

• not likely

• equally likely

Multiple Choice

The probability of it raining today is 30%.  

What is the probability that it will NOT rain?

• 30%

• 70%

• 100%

• 0%

Open Ended

Give an example of an event that is certain (100% likelihood)

Probability Formula

Multiple Choice

P (3)

• $$\frac{1}{2}$$

• $$\frac{1}{8}$$

• $$\frac{2}{8}\ or\ \frac{1}{4}$$

• $$\frac{3}{8}$$

Multiple Choice

P (yellow)

• $$\frac{6}{8}$$

• $$\frac{1}{8}$$

• $$\frac{2}{8}\ or\ \frac{1}{4}$$

• 
  $$\frac{3}{8}$$

Multiple Choice

P (>5)

• $$\frac{0}{8}\ or\ 0$$

• $$\frac{1}{8}$$

• $$\frac{4}{8}\ or\ \frac{1}{2}$$

• 
  $$\frac{3}{8}$$

Multiple Choice

P (orange)

• $$\frac{0}{8}\ or\ 0$$

• $$\frac{1}{8}$$

• $$\frac{4}{8}\ or\ \frac{1}{2}$$

• 
  $$\frac{3}{8}$$

Multiple Choice

P (not a number)

• $$\frac{0}{8}\ or\ 0$$

• $$\frac{1}{8}$$

• $$\frac{4}{8}\ or\ \frac{1}{2}$$

• 
  $$\frac{3}{8}$$

Draw

Draw an emoji to show how you feel you're doing with probability.

Multiple Choice

A bag has 7 marbles: 2 green, 2 blue, and 3 orange. What is the probability of reaching in and NOT pulling out a green?

• $$\frac{2}{7}$$

• $$\frac{3}{7}$$

• $$\frac{4}{7}$$

• $$\frac{5}{7}$$

Multiple Select

There are 20 marbles in the jar.

What is the probability of choosing a marble that is NOT green from the jar?

CHECK ALL THAT APPLY

• $$\frac{10}{20}$$

• $$\frac{1}{2}$$

• 10%

• 0.5

Multiple Choice

If you roll a die one time, find P(odd number).

• $$\frac{1}{4}$$

• $$\frac{2}{6\ }\ or\ \frac{1}{3}$$

• $$\frac{3}{6\ }\ or\ \frac{1}{2}$$

• $$\frac{3}{4}$$

Multiple Choice

What is the probability of selecting a brown M&M from this bowl?

4 yellow, 6 orange, 2 brown, 3 green, 5 blue

• $$\frac{2}{18}$$

• $$\frac{1}{9}$$

• $$\frac{2}{20}$$

• $$\frac{1}{10}$$

Multiple Choice

What is the probability of selecting an orange candy?

• 0%

• 25%

• 50%

• 100%

Multiple Choice

Find the probability of rolling a 7 on a single die.

• $$\frac{1}{6}$$

• $$\frac{7}{6}$$

• 0

• $$\frac{7}{7}$$

Open Ended

The chart below represents the number of marbles in a jar.
P(green) = 

Write your answer as a fraction

Open Ended

The chart below represents the number of marbles in a jar.
P(brown) = 

Give your answer as a decimal

Multiple Choice

A box has 6 red pens, 8 black pens, 2 blue pens, and 4 purple pens. Find P( NOT red or blue).

SIMPLIFY

• $$\frac{3}{5}$$

• $$\frac{2}{5}$$

• $$\frac{3}{10}$$

• $$\frac{7}{10}$$

Multiple Choice

Find P (not A) as a fraction

SIMPLIFY

• $$\frac{1}{4}$$

• $$\frac{1}{2}$$

• $$\frac{3}{4}$$

• $$\frac{2}{4}$$

Multiple Choice

Find P (not A) as a percent

• 25%

• 50%

• 75%

• 100%

Multiple Choice

Find P (not A) as a decimal

• .25

• .50

• .75

• 1

Multiple Choice

What is the probability of spinning red?

• 0

• .25

• .5

• 1

Multiple Choice

A box has 3 limes, 5 grapes, and 2 oranges. Find P(NOT lime).

• $$\frac{3}{10}$$

• $$\frac{7}{10}$$

• $$\frac{1}{2}$$

• $$\frac{1}{5}$$