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12-04-2021
Mathematics

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find the mean variance and standard deviation for the number of heads when a coin is tossed 30 times

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Аноним Аноним

12-04-2021

Answer:

mean=10*1/2=5

variance=10*1/2*1/2=2.5

standard deviation=sqrt2.5=1.58

Step-by-step explanation: Hope this helps Have a good day :)

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