**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(|?| > 1)

2. If X is a geometric variate, taking values 1,2,3…..∞, ???? ?(? ?? ???)

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 ?̅ and ? ̅ 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 ??(t) =2 2− Find the standard deviation of X.

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MA8451 PROBABILITY AND RANDOM PROCESSES Engineering Answer Key free download

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MA8451 Answer Key, PRP Unit wise Important Questions-ECE4th Semester