[6 pts] A consumer report claims that the mean exhaust emissions for a certain car model is 1.5 grams of nitrous oxide per mile. Write the null and alternative hypotheses. Identify which is the claim. Null hypothesis: Alternative Hypothesis: A simple random sample of 38 cars is taken and the mean level of exhaust emitted for this sample is 1.3 grams and the sample standard deviation is 0.4 grams. Based on this sample, what is the point estimate for the population mean and what is the test statistic for the hypothesis test? Round both to two decimal places and use proper notation. Point Estimate: Test Statistic: A p-value of 0.003 is found. Ata 0.01 significance level, what conclusion can you make related to the claim? Conclusion: [8 pts] A drug manufacturer claims that fewer than 10% of patients who take its new drug for treating Alzheimer's disease will experience nausea. In a random sample of 300 patients, 21 experienced nausea. use the significance level, is there evidence to support the drug manufacturer's claim? Verify requirements. There is evidence that supports the drug manfacturer's claim...