The expected number who filed electronically in this group

Reference no: EM13642675

According to the IRS, approx. 80% of taxpaters filed electorincally in 2012. For 15 randomly selected 2012 taxpayers, answer the following:

a) Find the probability that 7 or 8 of them filed electronically

Find the following:

b) The expected number who filed electronically in this group of 15 taxpayers. That is, fidn the mean of this distribution.

c) The standard deviation of this distrubiton

Reference no: EM13642675

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