Question:

If three coins are tossed, find P(at least 2 tails).?

by  |  earlier

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1.) 1/2

2.) 3/8

3.) 1/4

4.) none of the above

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8 ANSWERS


  1. **** math just flip the coin and figure it out urself


  2. 1. 1/2

  3. 1.) 1/2

  4. 3 because each has a 50p(.5) chance of landing tails up so if you want 2 to face tails up, multiply .5x.5=.25=25%=1/4

  5. 1

  6. odds are 1-2 heads or tails any given flip

    probability is 1-2 also:

    you have two choices here,2 heads or 2 tails out of three flips.

    p=1-2 for two tails and the same for two heads

  7. Don't know what P means but the chance it will be tails is always 1 out of 2. So the answer is 1.

  8. 3

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