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We perform the experiment "toss three coins" 1,000 times. How many times do you expect that the event "exactly one head" will occur?

2007-01-17 01:53:12 · 1 answers · asked by Bill B 1 in Science & Mathematics ➔ Mathematics

1 answers

When you toss 3 coins, you can get 8 possible outcomes:

HHH
HHT
HTH
HTT
THH
THT
TTH
TTT

Of which only 3 (HTT, THT, TTH) have exactly one head.

So you'd expect to see exactly one head

3/8 x 1000 = 375 times

2007-01-17 05:25:09 · answer #1 · answered by Jim Burnell 6 · 0⤊ 1⤋