Introduction to Probability

1. You roll a fair 6 -sided die.

What is \(\mathrm{P}\) (roll a 2)?

If necessary, round your answer to \(2\) decimal places.

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2. Greg has an MP3 player called the Jumble. The Jumble randomly selects a song for the user to listen to. Greg's Jumble has \(6\) classical songs, \(7\) rock songs, and \(9\) rap songs on it.

What is \(\mathrm{P}\) (not a rap song)?

If necessary, round your answer to 2 decimal places.

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3. You draw a card at random from a deck that contains \(3\) black cards and \(7\) red cards.

What is \(\mathrm{P}(\) draw a black card \()\) ?

If necessary, round your answer to 2 decimal places.

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4. You spin the spinner shown below once. Each sector shown has an equal area.

What is \(\mathrm{P}\) (beaver)?

If necessary, round your answer to 2 decimal places.

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5. You randomly draw a marble from a bag of marbles that contains \(8\) blue marbles, \(5\) green marbles, and \(8\) red marbles.

What is \(\mathrm{P}\) (draw a blue or red marble)?

If necessary, round your answer to 2 decimal places.

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6. Omar ordered his sister a birthday card from a company that randomly selects a card from their inventory. The company has \(21\) total cards in inventory. \(14\) of those cards are birthday cards.

What is \(\mathrm{P}\) (not a birthday card)?

If necessary, round your answer to 2 decimal places.

__________

7. You spin the spinner shown below once. The spinner has \(4\) equal sectors colored pink, purple, blue, and green.

What is \(\mathrm{P}\) (blue)?

If necessary, round your answer to 2 decimal places.

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