Probability Worksheets

PROBABILITY Worksheet #1

Suppose we ﬂip a coin and spin a spinner with three colors at the same time.

What is the sample space for the coin?

What is the sample space for the spinner?

Draw a diagram and use it to write out the sample space for when we both ﬂip

the coin and spin the spinner.

Compute the following probabilities and record them in the table below. List

each probability in three ways: as fractions, decimals, and percentages.

(1) The probability of a Tail on the coin.

(2) The probability of Red on the spinner.

(3) The probability of a Tail on the coin and Red on the spinner.

(4) The probability of a Tail on the coin or Red on the spinner.

(5) The probability the color on the spinner is not Red.

(6) The probability of Green on the spinner.

(7) The probability of a Head on the coin and either Blue or Yellow on the

spinner.

Event

Fraction Decimal Percentage

P(Tail)

P(Red)

P(Tail and Red)

P(Tail or Red)

P(Not Red)

P(Green)

P(Head and either Blue or Yellow)

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