Abakery in dylan's town sells bagels, cakes, pies, and donuts. on a particular day, dylan observed that 7 out of every 10 customers at the bal
included at least one bagel in their order. from this sample, dylan concluded that bagels are the bakery's most popular item.
dylan's conclusion is
a. valid
b. not valid

because
a. bagels are consumed in the morning, not throughout the day
b. dylan did not account for the other items purchased, only bagels
c. seven tenths is a relatively small fraction
d. the bakery’s business hours are not mentioned