Question 17 8 pts A marketing team is attempting to determine if there is a sufficient...
Question 21 8 pts A marketing team is attempting to determine if there is a sufficient customer base for a new toy. They conduct a survey of 1826 households and find 67.3% have at least one child. U.S.census figures indicate 64.1% of households have at least one child. Conduct a hypothesis test on the proportion of households to determine if the town has a larger proportion of children than the U.S.census indicates. State your conclusion setting a = 0.10. HTML...
O words Question 21 8 pts A test team takes readings from the miles per gallon (mpg) estimate reading in a new car while driving at 60 mph. The sample consists of 30 readings and has a mean of 31.3 mpg and a standard deviation of 117 mpg. The average mpg of all new cars is 27.6 mpg although the standard deviation is unknown. Is there evidence the new car has superior gas mileage? Conduct a test of significance stating...