Question 868646
A dart thrower hits the bullseye with his eyes closed 75% of the time. For a bout of throwing that contains 20 tosses, what is the variance for the number of bullseyes he will hit?
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variance = npq = 20*(3/4)(1/4) = 60/16 = 15/4 = 3 3/4
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Cheers,
Stan H.
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