Probability Quiz

A bag of marbles has 12 green marbles, 5 red marbles, 8 blue marbles and 7 yellow marbles. What is the probability of randomly selecting a blue marble?

• A. 1/3

• B. 1/8

• C. 1/4

• D. 1/2

For numbers 2a - 2c, use the information below to determine whether each statement is TRUE or FALSE. A spinner has 8 equal sections that are either purple, green or blue. The probability of landing on each section is listed below: Purple: 0.357, Green: 1/8, Blue: 50%. Statement: {g, p, p, p, b, b, b, b}

• TRUE

• FALSE

Use the information from the previous question (2a) to determine whether each statement is TRUE or FALSE.Landing on blue is likely.

• TRUE

• FALSE

Use the information from Question 2a to determine whether the following statement is true or false. There is a higher probability of landing on green than on purple.

• TRUE

• FALSE

Maria tossed a coin three times. She wrote a list of her possible outcomes. How many outcomes on her list had at least one Tail?

• A. 1

• B. 3

• C. 7

• D. 8

You roll a number cube two times. Which of the theoretical probabilities are accurate? Circle all that apply.

• A. P(1 then 0) = 1/2

• B. P(even number then odd number) = 1/4

• C. P(6 then 2) = 1/36

• D. P(even number then 5) = 1/12

• E. P(odd number then 2) = 1/6

A spinner has 4 blue sections, 6 red sections and 2 green sections. It is spun 96 times. For numbers 5a - 5c, circle YES or NO to indicate whether you would predict the spinner to land on the given color the number of times stated. 32 times on blue

• YES

• NO

A spinner has 4 blue sections, 6 red sections and 2 green sections. It is spun 96 times. For numbers 5a - 5c, circle YES or NO to indicate whether you would predict the spinner to land on the given color the number of times stated: 58 times on red

• YES

• NO

A spinner has 4 blue sections, 6 red sections and 2 green sections. It is spun 96 times. For numbers 5a - 5c, circle YES or NO to indicate whether you would predict the spinner to land on the given color the number of times stated.: 16 times on green

• YES

• NO

Roderick has a fair deck of cards. He draws a card, replaces it then draws a second card. The probability of him drawing a heart and then a black card is 12.5%. Roderick repeated the experiment several times and drew a heart then a black card 18 times. How many times did he repeat the experiment?

• A. 92 times

• B. 144 times

• C. 180 times

• D. 223 times