GATE BT · 2019 · BT
Question 49: Probability and Statistics
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Question 49
BTNAT2 marksNeeds review
A new game is being introduced in a casino. A player can lose Rs. 100, break even, win Rs. 100, or win Rs. 500. The probabilities (P(X)) of each of these outcomes (X) are given in the following table:
X (in Rs.) | -100 | 0 | 100 | 500 |
|---|---|---|---|---|
P(X) | 0.25 | 0.5 | 0.2 | 0.05 |
The standard deviation (σ) for the casino payout is Rs. ______ (rounded off to the nearest integer).
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2019BT
GATE BT 2019 · Paper 1
Biotechnology · Original paper archive
- Section
- Biotechnology
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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