For each of the ve onesample studies described below. use the appropriate symbols to state the null and alternative hypotheses. [2 pts] 1. A paint manufacturer's latex paint requires 130 minutes. on average. to dry. A new additive is being tested to determine if it reduces the mean drying lime of this paint. The drying times. in minutes, for a random sample of forty-five randomly selected cans of this manufacturer's paint (with additive) are recorded. [2 ms] 2. The New York Times and CBS News correctly conducted a nationwide poll of 1,043 randomly selected lEHo 19yearolds to detemiine if there is sufficient statistical evidence that more than half of all lfrtcrlQyearolds have their own car. truck. or motorcycle. [2 ms] 3. Washington Energy publishes gures on the annual hours of usage of various home appliances. Microwave ovens were stated as being used an average of 140 hours per year. A consumer protection agency does not believe that this gure is correct. To assess their theory, the consumer protection agency randomly samples 145 homes with microwaves and records their annual microwave usage in hours. [2 pa] 4. A company's old antacid provided relief for 70% of the people who used it. The company creates a new-and- improved antacid. Wanting to know if this new antacid provides relief to a larger percentage of its users than the old antacid, the company perfortns a signicance test. [2 pts] 5. According to the U.S. Energy Information Administration. the mean annual motor fuel expenditure per US. household is $5.134. Erik believes that Americans spend more money, on average, for motor fuel and so they decide to randomly select sixty households sixty households from across the county and record their annual motor fuel expenditures in dollars