A random sample of 50 households was selected for a phone (landline and cellphone) survey. the key question asked
was, "do you or any member of your household own an apple product ( iphone,ipod,ipad, or Mac computer)?". of the 50 respondents, 20 said yes 30 said no.
a. determine the sample proportion, p, of households that own an apple product.
b. if the population proportion is 0.45, determine the standard error of the proportion.
please include the calculation proccess.