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(Created page with "Find the variance for the number of boys and the number of girls in a royal family that has children until there is a boy or until there are three children, whichever comes first. '''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}}") |
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Find the variance for the number of boys | Find the variance for the number of boys in a royal family that has children until there is a boy or until there are three children, whichever comes first. Assume the probability of having a boy is 1/2. | ||
<ul class="mw-excansopts"> | |||
<li>0.06</li> | |||
<li>0.08</li> | |||
<li>0.11</li> | |||
<li>0.14</li> | |||
<li>0.17</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 12:39, 3 July 2024
Find the variance for the number of boys in a royal family that has children until there is a boy or until there are three children, whichever comes first. Assume the probability of having a boy is 1/2.
- 0.06
- 0.08
- 0.11
- 0.14
- 0.17
References
Doyle, Peter G. (2006). "Grinstead and Snell's Introduction to Probability" (PDF). Retrieved June 6, 2024.