A microwave oven repairer says that the mean repair cost for damaged microwave ovens is less than $100. You find that a random sample of five microwave ovens has a mean repair cost of $75 and a standard deviation of $12.50. Assuming the repair costs are normally distributed, test the claim using a = 0.01. O There is enough evidence to reject the null hypothesis. The claim is true. There is enough evidence to reject the null hypothesis. The claim is false. There is not enough evidence to reject the null hypothesis. The claim is probably true. O There is not enough evidence to reject the null hypothesis. The claim is probably false. No