Daily demand for calculators is having the following probability distribution: Demand | 1 | 2 | 3 | 4 | 5 | 6 Probability: | 0.10 | 0.15 | 0.20 |…
CA Foundation · Quantitative Aptitude · MTP · June 2024
Daily demand for calculators is having the following probability distribution: Demand | 1 | 2 | 3 | 4 | 5 | 6 Probability: | 0.10 | 0.15 | 0.20 | 0.25 | 0.18 | 0.12 Determine the variance of the demand.
Suggested Answer and Working Notes:
Correct Answer: Option (C)
C. 2.22
Topics: Part-C: Statistics
Related Questions in this Topic
- If P(A) = 1 / 2 , P(B) = 1 / 3 and P(A ∩ B) = 1 / 4 , then the value of P(A ∪ B) is:
- A card is drawn from each of two well-shuffled packs of cards. The probability that at least one of them is an ace is
- A variable is known to be ______ if it can assume any value from a given interval.
- When the data are classified in respect of successive time points, they are known as ______
- The appropriate measure of dispersion for open-end classification is