Exercises 1. Using Table G, find the critical value(s) for each. Show the critical and noncritical regions, and state the appro- 6. Carbohydrates in Fast Foods The number of carbo- priate null and alternative hypotheses. Use of = 225. hydrates found in a random sample of fast-food entrees i. a = 0.05. n - 18, right-tailed is listed. Is there sufficient evidence to conclude that h a = 0.10, a = 23, Ich-tailed the variance differs from 100% Use the 0.05 level of c. a = 0.05, n - 15, two-tailed significance. do = 0.10, , = 8. two-tailed 53 46 39 39 1. Using Table G, find the critical value(s) for each. 47 38 73 43 30 41 Show the critical and noncritical regions, and state the appropriate null and alternative hypotheses. 17. Calories in Pancake Syrup A nutritionist claims Use of = 225 that the standard deviation of the number of calories in a. a = 0.01, a - 17, right-tailed 1 tablespoon of the major brands of pancake syrup is 60. b a = 0.025, , = 20, left-tailed A random sample of major brands of syrup is selected. c. a = 0.01. , = 13, two-failed and the number of calories is shown. Ater = 0.10, can d. a = 0.025, n = 29, left-tailed the claim be rejected? 1. Using Table (3, find the P-value interval for each y test 53 210 100 200 100 220 value. 210 100 240 200 100 210 a = 29.321. n = 16, right-tailed 100 210 100 210 100 60 h y = 10.215, n = 25, left-tailed Source: Based on information from The Complete Book of Food Counts by c. x - 24.672, n = 11, two-tailed Corrine T. Netzer, Dell Publishers, New York d y = 23,722. a = 9, right-tailed 12. Home Ownership Rates The percentage rates of home 14. SAT Scores Estimate the variance in mean ownership for 8 randomly selected states are listed below. Estimate the population variance and standard mathematics SAT scores by state, using the randomly selected scores listed below. Estimate with 99% deviation for the percentage rate of home ownership confidence. Assume the variable is normally distributed. with 99% confidence. Assume the variable is normally distributed. 490 502 211 209 499 565 66.0 75.8 70.9 73.9 63.4 685 73.3 65.9 469 543 572 550 515 500 Some World Almonr 2012 SOURCE: Wild Almanor 13. Calories in a Standard Size Candy Bar Estimate 15. Daily Cholesterol Intake The American Heart Association recommends a daily cholesterol intake of the standard deviation in calories for these randomly less than 300 my. Here are the cholesterol amounts in a selected standard-size candy bars with 95% random sample of single servings of grilled meats. confidence. (The number of calories is listed for each. ) Assume the variable is normally Estimate the standard deviation in cholesterol with 95% confidence. Assume the variable is normally distributed distributed. 90 200 105 95 220 220 210 230 275 260 240 70 105 115 110 220 240 240 280 230 280 260 100 225 125 130 145