a.1/6 b.1/2 c.1/3 d.1/4
2006-08-14 07:31:56 · 18 answers · asked by guitarkhongday 1 in Science & Mathematics ➔ Mathematics
1/4
Your combinations are
HHH
HHT
HTT
TTT
2006-08-14 07:38:19 · answer #1 · answered by a_liberal_economist 3 · 0⤊ 1⤋
each time you throw the penny you have to account for the probability that it will be tails, which is (1/2). In probability, you multiply for a question like this. 3 times, (1/2) each time, so (1/2)*(1/2)*(1/2) = .185 or (1/8) and that is a fact, jack.
2006-08-17 09:44:16 · answer #2 · answered by chris m 5 · 0⤊ 0⤋
1/6
2006-08-14 07:35:18 · answer #3 · answered by impersonal. 1 · 0⤊ 2⤋
relies upon -- do you mean precisely 6 situations, or a minimum of 6 situations? Assuming you mean precisely 6 situations, we are able to actual answer the equivalent question: what's the prospect that precisely 2 of the throws arise heads? selection the throws a million-8, and seem on the probabilities: * the 1st of the two heads must be Toss #a million; the different head is then certainly one of the different 7. (it is 7 opportunities.) * the 1st of the two heads must be Toss #2; the different head is then certainly one of the different 6. * the 1st of the two heads must be Toss #3; the different head is then certainly one of the different 5. in the tip, we've 7+6+5+4+3+2+a million = 28 diverse opportunities for 2 heads. when you consider that there are 2^8 = 256 total pointers on the thank you to toss a coin 8 situations, our danger of two heads is hence 28/256, or 7/sixty 4. desire that helps!
2016-10-02 01:53:41 · answer #4 · answered by balsamo 4 · 0⤊ 0⤋
it's 1/2 ... there are a bunch of ignorant people out there... the probability of a certain outcome in a problem like this is not multiplicative - that is to say the outcome of the second toss has absolutely nothing to do with the first toss, so every time you toss the coin you have a 50/50 shot of getting heads or tails, end of story.
cheers.
2006-08-14 10:11:01 · answer #5 · answered by scotter98 3 · 0⤊ 0⤋
The correct answer is 1/8
There are 8 possible combinations
H H H
H H T
H T H
H T T
T H T
T H H
T T H
T T T
So the correct answer is 1 of 8.
2006-08-14 07:54:48 · answer #6 · answered by Dr. D 7 · 0⤊ 2⤋
well its 1/2 to get tails and three pennies so1/2 x 1/2 x 1/2 = 1/8
2006-08-14 07:36:25 · answer #7 · answered by pete 3 · 0⤊ 2⤋
None of the above: Answer is 1/8.
or .5 x .5 x .5 or .125 or 1/8
2006-08-14 07:35:12 · answer #8 · answered by Anonymous · 1⤊ 2⤋
Is this a trick question? It should be 1/8.
2006-08-14 07:35:30 · answer #9 · answered by Anonymous · 0⤊ 2⤋
none of the above--1/8
1/8 is the right answer
2006-08-14 09:37:56 · answer #10 · answered by gari 3 · 0⤊ 1⤋
none of the above..
the answer is 1/8
2006-08-14 07:35:04 · answer #11 · answered by gjmb1960 7 · 1⤊ 2⤋