Please answer the following, show solution if needed with explanation

3. A manufacturer of car batteries claims that his product will last more than 4 years on average. Using 5% level of significance, a sample of 350 batteries is taken and the mean and standard deviation are found. Identify the rejection region for the hypothesis testing. (2 Points) O Z > 1.65 OFZ 1.65 4. Identify which is true about the hypothesis test. In a hypothesis test: (2 Points) 0 The alternative hypothesis is always as- sumed true. The alternative hypothesis is accepted un- 0 less there is sufficient evidence to say other- wise. O The null hypothesis is not rejected unless there is sufficient evidence to say otherwise. 1. Suppose a person wishes to open a store in a local shopping center only if there is strong evidence that the average number of people in the center is greater than 5000 per day. The null hypothesis will be (2 Points)