# Expected Value and Variance MCQs Quiz Online PDF Download

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## MCQs on Expected Value and VarianceQuiz PDF Download

MCQ: Value which is obtained by multiplying possible values of random variable with probability of occurrence and is equal to weighted average is called

- discrete value
- weighted value
- expected value
- cumulative value

C

MCQ: Demand of products per day for three days are 21, 19, 22 units and their respective probabilities are 0.29, 0.40, 0.35. profit per unit is $0.50 then expected profits for three days are

- 21, 19, 22
- 21.5, 19.5, 22.5
- 0.29, 0.40, 0.35
- 3.045, 3.8, 3.85

D

MCQ: Probability which explains x is equal to or less than particular value is classified as

- discrete probability
- cumulative probability
- marginal probability
- continuous probability

B

MCQ: Selling price of product is subtracted from purchasing price of product to calculate

- profit of product
- loss of profit
- cumulative average
- weighted average

A

MCQ: Number of units multiply profit per unit multiply probability to calculate

- discrete profit
- expected profit
- weighted profit
- continuous profit

B