TRUE or False If a researcher fails to reject the null hypothesis, he/she shows that the null hypothesis is true. The critical region includes outcomes with a very low probability if the null hypothesis is true. Computation A rental car company claims the average time to rent a car on their website is = 60 seconds with a standard deviation of o= 30 seconds. A random sample of 36 customers attempted to rent a car on the website. The mean time to rent was 75 seconds. Is this enough evidence to contradict the company's claim? a. State the null and alternative hypothesis in words or in symbols. b. State the boundary values of the rejection region under a two-tailed test and a - .05 c. Compute the test statistics d. What is your statistical decision on your test of hypothesis? And your conclusion based on your test? e. Compute the effect size (Cohen's d) of the difference.