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OpenStudy (anonymous):
if an icosahedral die is rolled 162 times, what is the expected number of times that the number 17 is rolled?
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OpenStudy (anonymous):
probability of rolling 17 once is 1/20 (does icosahedral mean 20?) them multiply 1/20*162? I dunno I am just guessing
jimthompson5910 (jim_thompson5910):
an icosahedral die has 20 faces, not 10
jimthompson5910 (jim_thompson5910):
you're right mathdood
OpenStudy (anonymous):
sweet =) thanks Jim
jimthompson5910 (jim_thompson5910):
yw
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