A car dealer is taking a customer satisfaction survey Find the margin of error (i e, assuming 95 confidence and 50) for (a) 250 respondents, (b) 125 respondents, and (c) 65 respondents ...

A car dealer is taking a customer satisfaction survey. Find the margin of error (i.e, assuming 95%

Question:

A car is taking a customer satisfaction survey. Find the margin of error (i.e, assuming 95% confidence and π = .50) for
(a) 250 respondents,
(b) 125 respondents, and
(c) 65 respondents. Dealer
A dealer in the securities market is an individual or firm who stands ready and willing to buy a security for its own account (at its bid price) or sell from its own account (at its ask price). A dealer seeks to profit from the spread between the...