exercise:B69e21ce4f: Difference between revisions
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(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> A balanced coin is flipped 400 times. Determine the number <math>x</math> such that the probability that the number of heads is between <math>200 - x</math> and <math>200 + x</math> is approximately .80.") |
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A balanced coin is flipped 400 times. Determine the number <math>x</math> such that the probability that the number of heads is between <math>200 - x</math> and <math>200 + x</math> is | |||
the probability that the number of heads is between <math>200 - x</math> and <math>200 + x</math> is | |||
approximately .80. | approximately .80. | ||
Latest revision as of 22:58, 14 June 2024
A balanced coin is flipped 400 times. Determine the number [math]x[/math] such that the probability that the number of heads is between [math]200 - x[/math] and [math]200 + x[/math] is approximately .80.