A county is considering raising the speed limit on a road because they

A county is considering raising the speed limit on a road because they claim that the mean speed of vehicles is greater than 35 miles per hour. a random sample of 15 vehicles has a mean speed of 39 miles per hour and a standard deviation of 5.2 miles per hour. at (confidence interval) = 0.01, do you have enough evidence to support the countys claim? whats the claim? whats the t-statistic? whats the p-value? decide whether to reject or fail? interpret the decision in the context of the original claim?