MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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5.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. P^1 - p^2 = 0.05 and the margin of error for 95% confidence is +/- 1%. a. Indicate the parameter being estimated : 42 : p : Pi : P2 : p b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to_. 6.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. PA=0.33 and the standard error is 0.06. c. Indicate the parameter being estimated : > : 4 : Hi * P2 : P : P2 d. Use the information to give a 95% confidence interval. The 95% confidence interval is to 7.) Do You Find Solitude Distressing? "For many people, being left alone with their thoughts is a most undesirable activity,." says a psychologist involved in a study examining reactions to solitude. In the study, 146 college students were asked to hand over their cell phones and sit alone, thinking, for about 10 minutes. Afterward, 76 of the participants rated the experience as unpleasant. Use this information to estimate the proportion of all college students who would find it unpleasant to sit alone with their thoughts. (This reaction is not limited to college students: in a follow-up study involving adults ages 18 to 77, a similar outcome was reported.) (a) Give notation for the quantity that is being estimated. (b) Give notation for the quantity that gives the best estimate. :> : Pi (c) Give the value for the quantity that gives the best estimate. VALUE = (d) Give a 95% confidence interval for the quantity being estimated, given that the margin of error for the estimate is 5%. Round your answers to three decimal places. The Interval is_ to _
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Transcribed Image Text:5.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. P^1 - p^2 = 0.05 and the margin of error for 95% confidence is +/- 1%. a. Indicate the parameter being estimated : 42 : p : Pi : P2 : p b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to_. 6.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. PA=0.33 and the standard error is 0.06. c. Indicate the parameter being estimated : > : 4 : Hi * P2 : P : P2 d. Use the information to give a 95% confidence interval. The 95% confidence interval is to 7.) Do You Find Solitude Distressing? "For many people, being left alone with their thoughts is a most undesirable activity,." says a psychologist involved in a study examining reactions to solitude. In the study, 146 college students were asked to hand over their cell phones and sit alone, thinking, for about 10 minutes. Afterward, 76 of the participants rated the experience as unpleasant. Use this information to estimate the proportion of all college students who would find it unpleasant to sit alone with their thoughts. (This reaction is not limited to college students: in a follow-up study involving adults ages 18 to 77, a similar outcome was reported.) (a) Give notation for the quantity that is being estimated. (b) Give notation for the quantity that gives the best estimate. :> : Pi (c) Give the value for the quantity that gives the best estimate. VALUE = (d) Give a 95% confidence interval for the quantity being estimated, given that the margin of error for the estimate is 5%. Round your answers to three decimal places. The Interval is_ to _
1.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. =57 and the standard error is 2 a. Indicate the parameter being estimated * Pi : P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 2.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. r=0.40 and the standard error is 0.01. (a) Indicate the parameter being estimated. : p : Pi * P2 (b) Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 3.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. r=-0.45 and the margin of error for 95% confidence is 0.09. a. Indicate the parameter being estimated : P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 4.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. x1-x 2= 34 and the margin of error for 95% confidence is 0.9. a. Indicate the parameter being estimated # P2 * P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to
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Transcribed Image Text:1.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. =57 and the standard error is 2 a. Indicate the parameter being estimated * Pi : P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 2.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. r=0.40 and the standard error is 0.01. (a) Indicate the parameter being estimated. : p : Pi * P2 (b) Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 3.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. r=-0.45 and the margin of error for 95% confidence is 0.09. a. Indicate the parameter being estimated : P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to 4.) Information about a sample is given. Assume that the sampling distribution is symmetric and bell-shaped. x1-x 2= 34 and the margin of error for 95% confidence is 0.9. a. Indicate the parameter being estimated # P2 * P2 b. Use the information to give a 95% confidence interval. The 95% confidence interval is_ to
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