4 results.
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Question in Content created by Newcastle University
A weighted coin with given P(H),P(T) is tossed 3 times. Let X be the random variable which denotes the longest string of consecutive heads that occur during these tosses. Find the Probability Mass Function (PMF), expectation and variance of X.
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Question in Content created by Newcastle University
A box contains n balls, m of these are red the rest white.
r are drawn without replacement.
What is the probability that at least one of the r is red?
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Question in Content created by Newcastle University
Given subset T⊂S of m objects in n find the probability of choosing without replacement r<n−m from S and not choosing any element in T.
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Question in Probability
r digits are picked at random (with replacement) from the set {0,1,2,…,n}. Probabilities that 1) all <k, 2) largest is k?