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प्रश्न
Choose the correct alternative:
If in 6 trials, X is a binomial variable which follows the relation 9P(X = 4) = P(X = 2), then the probability of success is
विकल्प
0.125
0.25
0.375
0.75
उत्तर
0.25
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संबंधित प्रश्न
Compute P(X = k) for the binomial distribution, B(n, p) where
n = 6, p = `1/3`, k = 3
Compute P(X = k) for the binomial distribution, B(n, p) where
n = 9, p = `1/2`, k = 7
The probability that Mr.Q hits a target at any trial is `1/4`. Suppose he tries at the target 10 times. Find the probability that he hits the target at least one time
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If the probability that a fluorescent light has a useful life of at least 600 hours is 0.9, find the probabilities that among 12 such lights exactly 10 will have a useful life of at least 600 hours
If the probability that a fluorescent light has a useful life of at least 600 hours is 0.9, find the probabilities that among 12 such lights at least 11 will have a useful life of at least 600 hours
If the probability that a fluorescent light has a useful life of at least 600 hours is 0.9, find the probabilities that among 12 such lights at least 2 will not have a useful life of at least 600 hours
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In a binomial distribution consisting of 5 independent trials, the probability of 1 and 2 successes are 0.4096 and 0.2048 respectively. Find the mean and variance of the random variable
Choose the correct alternative:
Let X have a Bernoulli distribution with a mean of 0.4, then the variance of (2X – 3) is
