A national online business magazine reports that the average cost of a speeding ticket in Miami,...

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A national online business magazine reports that the average cost of a speeding ticket in Miami, including court fees, is $220. A local police department claims that this amount has increased. To test their claim, they collect data from a simple random sample of 16 drivers who have been fined for speeding in the last year. Assuming that the distribution of speeding ticket costs is normally distributed and the population standard deviation is $15, is there sufficient evidence to support the police department's claim at the 0.02 level of significance? $231 $236 Answer $214 $208 Copy Data Step 3 of 3: Draw a conclusion and interpret the decision. Speeding Ticket Costs in Miami $224 $226 $235 $212 $223 $234 $218 $224 $233 $239 $220 $243 Keypad Keyboard Shortcuts Tables We reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.02 level of significance to support the daim that the average cost of a speeding ticket in Miami has increased. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased A national online business magazine reports that the average cost of a speeding ticket in Miami, including court fees, is $220. A local police department claims that this amount has increased. To test their claim, they collect data from a simple random sample of 16 drivers who have been fined for speeding in the last year. Assuming that the distribution of speeding ticket costs is normally distributed and the population standard deviation is $15, is there sufficient evidence to support the police department's claim at the 0.02 level of significance? $231 $236 Answer $214 $208 Copy Data Step 3 of 3: Draw a conclusion and interpret the decision. Speeding Ticket Costs in Miami $224 $226 $235 $212 $223 $234 $218 $224 $233 $239 $220 $243 Keypad Keyboard Shortcuts Tables We reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.02 level of significance to support the daim that the average cost of a speeding ticket in Miami has increased. We reject the null hypothesis and conclude that there is sufficient evidence at a 0.02 level of significance to support the claim that the average cost of a speeding ticket in Miami has increased

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Solution population Sample population mean 4 220 size 20x2 Ho11220 Haill22... View the full answer