Madison conducted a survey about how many women liked to bake. She surveyed random women entering a kitchen appliance store and found that 12 out of 15 women liked to bake. She concluded that 80% of women like to bake. Select the statement that is true about Madison's conclusion. A. Madison's conclusion was not valid because the sample was random since all of the people surveyed were from a kitchen appliance store. B. Madison's conclusion was valid because the sample was random. C. Madison's conclusion was not valid because the sample was biased since all of the people surveyed were from a kitchen appliance store. D. Madison's conclusion was valid because the sample was unbiased since all of the people surveyed were from a kitchen appliance store.