MA8451 PRP Important Questions
Anna University Regulation 2017ECE MA8451 PRP Important Questions with Answer Key and ECE 4th SEM MA8451 PROBABILITY AND RANDOM PROCESSES Engineering Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.
1.If the probability density function of a random variable X is f(x) = ¼ in – 2 <x < 2 find P(|𝑥| > 1)
2. If X is a geometric variate, taking values 1,2,3…..∞, 𝑓𝑖𝑛𝑑 𝑃(𝑋 𝑖𝑠 𝑜𝑑𝑑)
3. State the memory less property of the exponential distribution.
4.The mean and variance of binomial distribution are 5 and 4 Find thedistribution of X.
5.The mean of Binomial distribution is 20 and standard deviation is 4. Find theparameters of the distribution.
6.If the events A and B are independent then show that 𝐴̅ and 𝐵 ̅ are
independent.
7.If a random variable X takes values 1,2,3, 4 such that 2P(X 1) 3P(X 2) P(X 3) 5P(X 4) . Find the probabilitydistribution of X.
9.If 3% of the electric bulbs manufactured by a company are defective, Find
the probability that in a sample of 100 bulbs exactly 5 bulbs are defective.
10.If a random variable X has the MGF 𝑀𝑋(t) =2 2− Find the standard deviation of X.
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