Podcast Beta
Questions and Answers
What is the probability that a black ball was drawn from urn A3?
$\frac{1}{4}$
If an article is found to be defective, what is the probability that it was manufactured by machine A2?
$\frac{7}{20}$
What is the value of k in the function f(x)=k(1+x) for 2 ≤ x ≤ 5?
k = 2/3
Calculate the value of K and the probability density function of X for the exponential probability law f(x) = K.e^(-λx) for x > 0.
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What is the probability density function of X for the continuous random variable X with probability density function f(x) = (3/4)(2x - x^2) for x ≥ 0?
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