Mean and standard deviation for binominal distribution


Of all individual tax returns, 37% comprise errors made by taxpayer. If IRS examiners are assigned randomly chosen returns in batches of 12, find out the mean and standard deviation for number of erroneous returns per batch. 

a. µ=2.80, σ=1.67

b. µ =4.44, σ =1.67

c. µ =4.44, σ =2.80

d. µ =2.80, σ =2.10

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Basic Statistics: Mean and standard deviation for binominal distribution
Reference No:- TGS020495

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