Laat X ‘n diskreet stogastiese veranderlike wees met die volgende waarskynlikhei...
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Laat X ‘n diskreet stogastiese veranderlike wees met die volgende waarskynlikheidsverdeling: / Let X be a discrete random variable with the following probability distribution:
X | -2 | 5 | 7 | 8 |
P(X) | 0.59 | 0.15 | 0.25 | 0.01 |
Laat Y = 5X. Bereken die variansie van Y. / Define a new variable Y = 5X. Calculate the variance of Y.
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