Question

Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the Internet? Assume that we want to be 90 % confident that the sample percentage is within four percentage points of the true population percentage for all sales transactions.

n=

?(Round up to the nearest? integer.)

Answer 1

Page No.: Date Salution Guven thod At 90 % co nidence level the-z it- n :/zs니x p x (1-p) 2 n422.81 n= 42.3