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OpenStudy (anonymous):
OpenStudy (goldphenoix):
"No heads on the first two tosses." So what is the fist two tosses?
OpenStudy (anonymous):
idk nevr learned this
OpenStudy (goldphenoix):
Think logically. What can it be if you're flipping a coin?
OpenStudy (anonymous):
tales
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OpenStudy (goldphenoix):
Alright good job. Since the first 2 tosses isn't head, then it MUST be tail.
So far, you have TT which means Tail, Tail.
Now that's all the info they give you.
So what can you check(s)?
OpenStudy (goldphenoix):
Well, what do you think?
OpenStudy (anonymous):
tth?
OpenStudy (anonymous):
or ttt
OpenStudy (goldphenoix):
Yes! Good job. So you can check both in.
Now for the other one:
"A tail on both the first and the last tosses"
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OpenStudy (goldphenoix):
So there is a tail on the first try, and a tail in the last try.
So what can you check?
OpenStudy (anonymous):
what would be the probability
OpenStudy (anonymous):
would it be 2/8
OpenStudy (goldphenoix):
Oh, for the first one? Lets do that later. For now, just check(s). :)
OpenStudy (anonymous):
ok
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OpenStudy (goldphenoix):
What do you think you check off from the second problem?
OpenStudy (anonymous):
ttt & tht
OpenStudy (goldphenoix):
Yes, good job.
For the third one:
"Two or more heads"
What do you think you check off?
OpenStudy (anonymous):
hth thh hhh hht
OpenStudy (goldphenoix):
See. You're good at this. :)
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OpenStudy (goldphenoix):
Now for the probability column.
You got it right the first time. ;)
Just to make sure, what did you put for the 2nd and 3rd question?