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A box contains three coins 2 of them fair and one two headed coin select at random tossed twice heads appear both time what is the probability that the coin is two headed?
1/4
A coin is tossed twice what is the probability that it will show heads both times -?
1/2 x 1/2 = 1/4
A coin is tossed twice what is the probability that it will show heads both times?
The probability is 0.25.Look at it this way--if you toss a coin twice, there are four equally-probable outcomes:tails, tailstails, headsheads, tailsheads, headsSo the probability of heads twice in a row is one in four, or 25%.the chance of tossing heads is 1/2 (50%) The chance of tossing the next heads is 1/2 (50%) 1/2 x 1/2 = 1/4 (25%)
What is the probability that the first two flips will both be heads and the third flip will be either heads or tails if you flip three fair coins?
I assume you mean what's the chance of at least two heads showing when three fair coins are tossed. There are 8 possible outcomes as each coin can either be head or tails. For 3 heads, all 3 coins must show a head → 1 success For 2 heads, one coin will be a Tail; each coin could be a tail in turn → 3 successes → Pr = (1+3)/8 = 4/8 = 1/2 If you are wanting the probability that the first TWO specific coins are heads and the last, third, coin is either, then: Pr(head) = 1/2 → Pr(1st 2 heads, 3rd anything) = 1/2 × 1/2 × 1 = 1/4
Two cubes whose faces are numbered 1 through 6 are tossed What is the probability that both cubes show the same number?
6/36
