Intro to Probability

Intro To Probability

By SANTANA SPEAR

Multiple Choice

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Multiple Choice

What is the probability of selecting an orange candy?

• 0%
• 25%
• 50%
• 100%

Multiple Choice

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

• 1/5

• 5/6

• 1/6

• 6/5

Multiple Choice

A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?

• 1/3

• 1/6

• 1/2

• 2/3

Multiple Choice

Which color marble is least likely to be pulled from the jar?

• Green 
• Red
• Blue

Multiple Choice

What result is least likely?

• Blue

• Red

• Yellow

• Purple

Multiple Choice

Jazlyn has 4 quarters, 10 dimes, and 3 nickels in her wallet. What is the likelihood of her choosing a penny?

• certain

• likely

• unlikely

• impossible

Multiple Choice

What color are you MOST likely to land on?

• pink

• green

• yellow

• blue

Multiple Choice

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
What is the probability of selecting a brown candy?

• 2/18
• 1/9
• 2/20
• 1/10

Multiple Choice

A store is handing out coupons worth 10%, 15%, 20%, or 25% off. Each coupon is equally likely to be handed out. Which of the following models could be used to simulate this situation?

• flipping a coin four times

• spinning a spinner with four equal sections

• rolling a number cube labeled one through six one time

• rolling a number cube labeled one through six four times

Multiple Choice

Which spinner has equally likely outcomes?

Multiple Choice

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

Multiple Choice

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Multiple Choice

At a Pizzeria a group orders a pizza. Beside them another group also chooses a pizza. These events are...

• independent

• dependent

Multiple Choice

Jayden & Kelly are going to play a board game. Jayden picks 1 of 6 colored tokens to use. Kelly chooses next. These events are...

• independent

• dependent

Multiple Choice

Katie and Arianna pick chairs at the same table. Katie picks first, and Arianna goes second. These events are...

• independent

• dependent

Multiple Choice

Ms. Leister asks students to write down their favorite colors so they can graph the results. Sam writes blue. Savannah writes red. These events are...

• independent

• dependent

Multiple Choice

Amir spins the spinner. Wilson spins it second. These events are...

• independent

• dependent

Multiple Choice

Riley calls a bakery and orders a cake with design. Later that day, Kayla calls to order a cake too. These events are...

• Independent

• Dependent

Multiple Choice

James buys a condo in a new complex. A few weeks later, Percy buys another condo in the same complex. These events are...

• independent

• dependent

Multiple Choice

Jayla picks a card at random, puts it back, and then picks another card at random. Are these two events dependent or independent?

• Dependent Events

• Independent Events

Multiple Choice

Lauren picks a marble at random, puts it back, and then picks another marble at random. Are these two events dependent or independent?

• Independent Events

• Dependent Events

Multiple Choice

Aiden picks a card at random. Without putting the first card back, he picks a second card at random.

Are these two events dependent or independent?

• Independent Events

• Dependent Events

Multiple Choice

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14
• 1/2
• 0
• 1/7

Multiple Choice

What is the probability of tossing a coin four times and getting tails each time?

• 1/16
• 1/8
• 1/2
• 1/4

Multiple Choice

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 1/3
• 1/2
• 1/6
• 1/4

Multiple Choice

Is the event INDEPENDENT or DEPENDENT?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.

• Independent
• Dependent

Multiple Choice

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)

• 1/18
• 2/5
• 3/7
• 4/9

Multiple Choice

A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?

• 1/9
• 1/27
• 1/6
• 2/9

Multiple Choice

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5
• 1/21
• 4/25
• 1/7

Multiple Choice

There are 2 violet balls and 4 pink balls in a bag. If two balls are drawn one after the other, then what is the probability of getting violet first and pink next, if the first ball drawn is replaced?

• 1/3
• 2/9
• 1/6
• 1/4