Data shows that 11% of fatal vehicle accidents involved large trucks. A statistician for an insurance company believes that is higher than 11%. The statistician randomly selected 200 fatal vehicle accidents and finds that 26 involve large trucks. Is the statistician correct? What is the test statistic for this hypothesis test? Data shows that 11% of fatal vehicle accidents involved large trucks. A statistician for an insurance company believes that is higher than 11%. The statistician randomly selected 200 fatal vehicle accidents and finds that 26 involve large trucks. Is the statistician correct? What is the test statistic for this hypothesis test?  0.9040  0.1830  0.3660  0.8170

One of the hot topics in the last presidential election was with respect to our citizen's health and whether or not the government has a right to limit our choices in what we eat or drink. A random sample of 1046 Americans was obtained. The question asked was “Do you support our government banning specific types or sizes of food or drinks?" Of those surveyed, 895 responded, “no." a. Estimate with 95% confidence the proportion of Americans who do not support the govern- ment banning specific types or sizes of food or drinks. b. Using the confidence interval found in part a, can you conclude that a majority of Americans do not support the government banning specific types or sizes of food or drinks. Why or why not.

Assume a nationwide random survey of 800 adults asked about attitudes toward “alternative medicine” such as acupuncture, massage therapy, and herbal therapy. Among the respondents, 448 said they would use alternative medicine if traditional medicine was not producing the results they wanted. Give a 99% confidence interval for the proportion of all adults who would use alternative medicine.

Your analysis of the raw data indicates that 16 of the 30 students reported driving no more than 20 miles per day. Calculate a 98% confidence interval for the sample proportion.  What Z Score was used?