MATH

Jennifer flipped a pair of coins 60 times. On 24 occasions, heads appeared on both coins. How is this outcome different from the expected outcome?

A) It occurred 6 fewer times than expected.
It occurred 4 more times than expected.
It occurred 9 more times than expected.
It occurred 4 fewer times than expected.

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asked by Caleb
  1. expected=1/2 * 1/2=1/4
    expected number = 60/4=30
    so it occured...

  2. Thanks!

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    posted by Caleb

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