Question
t has been claimed that 65% of homeowners
would prefer to heat with electricity instead of gas.
A study finds that 60% of 2000 homeowners
prefer electric heating to gas. Can we conclude
that the percentage who prefer electric heating
differs from 65%? Use alpha = 10%
would prefer to heat with electricity instead of gas.
A study finds that 60% of 2000 homeowners
prefer electric heating to gas. Can we conclude
that the percentage who prefer electric heating
differs from 65%? Use alpha = 10%