Chances are

What one or two words come to mind when you hear the word, "probability"?

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CCSS.7.SP.C.5

What is the probability that a person will be struck by lighting? (Pick the closest answer)

• 50%

• 10%

• 0.1%

• 0.005%

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CCSS.7.SP.C.5

Jalen forgot about the history quiz! The quiz has 10 multiple choice questions. Each question has four answer choices. What is the probability the Jalen will pass if he guesses on every question?

• About 50/50

• between 20% and 30%

• About 5%

• Less than 2%

Answer explanation

To be more precise, the probability of guessing 6 or more answers correctly is 1.973%.

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CCSS.7.SP.C.7A

The probability is about 1 in 11,000,000 that a person will die in a ________.

• plane crash

• car wreck

• shark attack

• drowning accident

Answer explanation

Car wrecks are much more common than plane wrecks.

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CCSS.7.SP.C.5

Which of these rare events is most likely to occur?

• Having twins

• Winning the Mega Millions jackpot

• Finding a four-leaf clover

• Living to be 100

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CCSS.7.SP.C.5

Which of these rare events is the least likely to occur?

• Having twins

• Winning the Mega Millions jackpot

• Finding a four-leaf clover

• Living to be 100

Answer explanation

In decreasing order of likelihood, the chances of each event are

• * Having twins: 0.4% (4 out of 1,000)

• * Finding a four-leaf clover 0.01% (1 out of 10,000)

• * Living to be 100: 0.007% (7 out of 100,000)

• * Winning the Mega Millions jackpot: 0.00000033% (33 out of 10,000,000,000) (That second number is ten billion. Whoa!)

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CCSS.7.SP.C.5

What is the probability that you will live for one billion minutes?

• I probably will live that long.

  (more than 50%)

• I could live that long, but most people don't.

  (less than 50%)

• It is extremely rare to live that long.

  (between a half and a tenth of a percent)

• No one has ever lived that long.

  (0%)

Answer explanation

The right answer is 0%. One billion minutes is over 1,900 years.

The answers to most of the other questions can be found at https://stacker.com/art-culture/odds-50-random-events-happening-you.

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CCSS.7.SP.C.5