Probability Questions

Natalie is playing a game using a fair coin. contestants win the game if the coin lands tails up.

What is the theoretical probability that the coin will land tails up?

(type you answer as a decimal )

(a)  

A game spinner has 8 Equal-sized sections. To win, the pointer must land on a yellow section. What is the probability to win?

(select all that apply)

• 0.5

• 25%

• 2.8

Monica roles a 6-side die with 2 yellow sides, 3 blue sides, and one red side. the P(rolling a yellow). is ​ ​ (a)   . The p(rolling a blue)​​ (b)   . It is more Likely that Monica will roll a ​ (c)  

• 3

• Blue

• 0.33

• 0.5

• Red

• Yellow

What is the sample space of the spinner?

• s={1,2,3,4,5,6,7,8,9,10,11,12,13......20}

• S={1,4,5,13,20}

• S={6}

• S={1,2,4,5,13,20}

A spinner is divided into 4 equally sized selections. The sections are blue, green, red, and yellow. The results of 1000 spins are shown in the table.

What is the experimential probability of spinning a green? (use a reduced fraction)

Mathematical Equivalence

ON

Vy is shopping for a car. It comes in red, blue, or silver. She can also choose a 2-door and 4-door version along with a manual or automatic transmission. What is the theoretical probability that Vy will pick 4-door car, automatic transmission and it being red or blue?

Mathematical Equivalence

ON

What is the P(spinning a factor of 20)

• 83.3%

• 66.67%

Which is more likely to happen, Spinning (a)  

• factor of 20

• multiple of 2

For an event to be fair each outcome must be (a)   to happen. Therefore the spinner is ​ (b)  

• Equally likely

• Fair

• Not fair

• Not equally likely

• P(event)