exercise:F8397029c2: Difference between revisions
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A number is chosen at random from the integers 1, 2, 3,...,10. Let | A number is chosen at random from the integers 1, 2, 3,...,10. Let <math>X</math> be the number chosen. Determine <math>\operatorname{Var}(X)</math>. | ||
<math>X</math> be the number chosen. Determine <math>Var(X)</math>. | |||
<ul class="mw-excansopts"> | |||
<li>8.25</li> | |||
<li>8.5</li> | |||
<li>8.75</li> | |||
<li>9</li> | |||
<li>9.25</li> | |||
</ul> | |||
'''References''' | '''References''' | ||
{{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}} | {{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=Doyle |first=Peter G.|date=2006 |access-date=June 6, 2024}} | ||
Latest revision as of 00:42, 25 June 2024
A number is chosen at random from the integers 1, 2, 3,...,10. Let [math]X[/math] be the number chosen. Determine [math]\operatorname{Var}(X)[/math].
- 8.25
- 8.5
- 8.75
- 9
- 9.25
References
Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.