Statistics for Data Science II, Quiz 1

January 2026 term, 15 Mar 2026, Set 1

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Question 1

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• A.

  Useful Data has been mentioned above.

• B.

  This data attachment is just for a reference & not for an evaluation.

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Figure from the original question paper Figure from the original question paper The number of people who make a reservation in a restaurant on a particular day is a random variable with mean equal to 10 and variance equal to 5. Find a lower bound on the probability that on a particular day, number of reservations made will lie in between 5 and 15 using Chebyshev's inequality. Enter the answer correct to two decimal places. Let and be three random variables with Cov , Cov , Cov , Var Define the new random variables and . Find the value of Cov .