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If 10 percent of all disk drives produced on an assembly line are defective what is the probability that there will be exactly one defect in a random sample of 5 of these?
Wiki User
∙ 10y ago
It is 5C1*(1/10)1*(9/10)4 = 0.3281
Wiki User
∙ 10y ago
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What is the probability of getting exactly two heads in three coin tosses?
33%
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5 out of 36
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The probability is 0.375
What is the probability of tossing exactly 3 tails?
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It is possible to choose 4 radios out of 23 in (23 choose 4)=8855 ways. The number of those combinations where there are exactly 2 indefective and 2 defective is: (18 (the number of those indefective) choose 2)*(5 (the number of defective radios) choose 2)=1530 divided by 8855=1530/8855=306/1771 which is 17.2784%.
If 3 fair coins are tossed what is the probability of getting exactly 2 tails?
The probability is 3/8 = 0.375
Similarities between experimental and experimental probability?
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What an event is certain to occur what us its probability?
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You toss 3 coins What is the probability that you get exactly 2 heads given that you get at least one head?
you toss 3 coins what is the probability that you get exactly 2 heads given that you get at least one head?
How many members were there in th constituent assembly when it was setup?
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What is the probability that exactly 2 coins will show heads?
one fourth
Which is bigger the probability of 2 fours or the probability of 1 five or 1 six?
It depends upon how you are picking these numbers. Let's say you are rolling two dice. The probability of rolling 2 fours is 1 in 36. The probability of exactly 1 five is 10 in 36, while the probability of at least 1 five is 11 in 36. The probability of exactly 1 six is 10 in 36, while the probability of at least 1 six is 11 in 36. The probability of at least 1 five or 1 six is 19 in 36. The probability of exactly 1 five or six is 15 in 36. So no matter how you look at it, with dice rolling, the probability of 1 five or 1 six is bigger than the probability of 2 fours. However, if you are picking numbers from a hat, then the probabilities are different.
What is the probability is of getting 3 heads in a row if I toss the coin 10 times?
The probability of getting 3 or more heads in a row, one or more times is 520/1024 = 0.508 Of these, the probability of getting exactly 3 heads in a row, exactly once is 244/1024 = 0.238
