Math

You toss a coin 3 times. Find these probabilities:


P(all 3 are heads)
P(exactly 2 T's)
P(exactly 2 T's given that first toss is T)

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  3. 👁 74
  1. Woahhh! This looks like a Home-Work-Dump or a test
    I did one of them for you, now you show some work with answers
    so we can evaluate them. If not, show us where your difficulty is.
    Nobody is just going to do your work for you.

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    posted by Reiny
  2. its homework i have like 50 questions and these are just the ones i am struggling with just had surgery last week and for some reason i am just not able to remember this information at the moment im actually taking notes from the help i get with them ow to try and jog my memory

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  3. when it comes to getting all three as heads i believe it would be 1/2*1/2*1/2=1/8

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  4. Ok, let's look at this one: toss a coin 3 times
    How many outcomes, perhaps list them.
    How many of those look like HHH ?
    So what is prob(3 heads) ?

    Also tell me what you get for the other 2 questions.

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    posted by Reiny
  5. you have a 50/50 or 1/2 chance on each to get the heads

    i think its 1/4 for the 2nd question and im still working on the 3rd

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