Use the accompanying paired data consisting of weights of large cars (pounds) and highway fuel consumption (mi/gal). Let x represent the weight of a car and let y represent the highway fuel consumption. Use the given weight and the given confidence level to construct a prediction interval estimate of highway fuel consumption. Use x = 4200 pounds with a 95% confidence level. Click the icon to view the car weight and highway fuel consumption data. Find the indicated prediction interval. mi/gal
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- Refer to the accompanying data set and construct a 95 % confidence interval estimate of the mean pulse rate of adult females; then do the same for adult males. Compare the results. Construct a 95 % confidence interval of the mean pulse rate for adult females. nothing bpmless than muless thannothing bpm (Round to one decimal place as needed.) Construct a 95 % confidence interval of the mean pulse rate for adult males. nothing bpmless than muless thannothing bpm (Round to one decimal place as needed.) Compare the results. A. The confidence intervals overlap, so it appears that there is no significant difference in mean pulse rates between adult females and adult males. B. The confidence intervals overlap, so it appears that adult males have a significantly higher mean pulse rate than adult females. C. The confidence intervals do not overlap, so it appears that there is no significant difference in mean pulse rates between adult females and adult males. D. The confidence…A consumer group reports that a 90% confidence interval for the mean fat content of chicken nuggets from a fast-food restaurant is (14, 18). What is the mean fat content for the sample of 30 chicken nuggets or the point estimate that help make this confidence interval? A. 32 B. 16 C. 2Of 300 randomly selected medical students, 30 said that they planned to work in a rural community. Find 90% confidence interval for the true proportion of all medical students who plan to work in a rural community. The answers below represent approximate values.
- find the population proportion, value of the margion of error E, and contruct the confidence interval.Find the confidence level and α for an 80% confidence interval.A marketing research company is estimating which of two soft drinks college students prefer. A random sample of n college students produced the following 95% confidence interval for the proportion of college students who prefer drink A: (.262, .622). Identify the point estimate for estimating the true proportion of college students who prefer that drink.A) .622 B) .442 C) .262 D) .18
- Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 99% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant X.? Construct a 99% confidence interval of the mean drive-through service times at dinner for Restaurant Y.?Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 90% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. Construct a 90% confidence interval of the mean drive-through service times at dinner for Restaurant X and Y?Refer to the accompanying data set and construct a 95% confidence interval estimate of the mean pulse rate of adult females; then do the same for adult males. Compare the results. a. Construct a 90% confidence interval of the mean pulse rate for adult females. (Round to one decimal place as needed.) b. Construct a 90% confidence interval of the mean pulse rate for adult males. (Round to one decimal place as needed.)
- kendall wants to estimate the percentage of vegetarians who are also vegan. She surveys 150 vegetarians and finds that 45 are vegan. Find the margin of error for the confidence interval for the population proportion with a 95% confidence level.Refer to the accompanying data set and construct a 95%confidence interval estimate of the mean pulse rate of adult females; then do the same for adult males. Compare the results. . 1. Construct a 95%confidence interval of the mean pulse rate for adult females. ____ bpm<μ<____ bpm (Round to one decimal place as needed.) 2. Construct a 95% confidence interval of the mean pulse rate for adult males. _____ bpm<μ<____ bpm (Round to one decimal place as needed.)For a confidence level of 80% with a sample size of 24, find the t-score.