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e accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball chers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regressi uation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins | Click the icon to view the table of numbers of wins (b) x = 10 wins (c) x = 21 Wins and ERA e equation of the regression line is y = x+: pund to two decimal places as needed.) nstruct a scatter plot of the data and draw the regres Earned run Wins, x average, y A. O B. OD. 20 2.65 AERA 6- AERA 6- AERA 6- 18 3.35 17 2.66 44 4- 4- 16 3.65 2- 2- 14 3.77 2- 12 4.25 0- 0- 0- 6. 12 18 24 6. 12 Wins 11 3.78 18 24 Wins 9 5.15 Predict the ERA for 5 wins, if it is meaningful. Select wer box within your choice. Print Done A. ŷ= |(Round to two decimal places as needed B. It is not meaningful to predict this value of y because x=5 is not an x-value in the original data. k to select vour answer(s).

e accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball chers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regressi uation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins | Click the icon to view the table of numbers of wins (b) x = 10 wins (c) x = 21 Wins and ERA e equation of the regression line is y = x+: pund to two decimal places as needed.) nstruct a scatter plot of the data and draw the regres Earned run Wins, x average, y A. O B. OD. 20 2.65 AERA 6- AERA 6- AERA 6- 18 3.35 17 2.66 44 4- 4- 16 3.65 2- 2- 14 3.77 2- 12 4.25 0- 0- 0- 6. 12 18 24 6. 12 Wins 11 3.78 18 24 Wins 9 5.15 Predict the ERA for 5 wins, if it is meaningful. Select wer box within your choice. Print Done A. ŷ= |(Round to two decimal places as needed B. It is not meaningful to predict this value of y because x=5 is not an x-value in the original data. k to select vour answer(s).

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins (b) x = 10 wins (c) x= 21 Click the icon to view the table of numbers of wins i Wins and ERA The equation of the regression line is y = x+. (Round to two decimal places as needed.) Construct a scatter plot of the data and draw the regres Earned run Wins, x average, y O A. 20 2.65 OD. ERA 6- AERA 6- ERA 6- 18 3.35 17 2.66 4- 4- 4- 16 3.65 2- 2- 14 3.77 2- 12 4.25 0+ 6 0+ 0- 12 18 24 11 3.78 12 18 24 Wins Wins 5.15 (a) Predict the ERA for 5 wins, if it is meaningful. Select wer box within your choice. Print Done O A. ý= (Round to two decimal places as needed O B. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data. Click to select your answer(s). B.
Transcribed Image Text:The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins (b) x = 10 wins (c) x= 21 Click the icon to view the table of numbers of wins i Wins and ERA The equation of the regression line is y = x+. (Round to two decimal places as needed.) Construct a scatter plot of the data and draw the regres Earned run Wins, x average, y O A. 20 2.65 OD. ERA 6- AERA 6- ERA 6- 18 3.35 17 2.66 4- 4- 4- 16 3.65 2- 2- 14 3.77 2- 12 4.25 0+ 6 0+ 0- 12 18 24 11 3.78 12 18 24 Wins Wins 5.15 (a) Predict the ERA for 5 wins, if it is meaningful. Select wer box within your choice. Print Done O A. ý= (Round to two decimal places as needed O B. It is not meaningful to predict this value of y because x = 5 is not an x-value in the original data. Click to select your answer(s). B.
The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work, is (Round to three decimal places as needed.)
Transcribed Image Text:The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts (a) and (b) below. Click the icon to view the survey results. (a) Find the probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male. The probability that a randomly selected worker contributes to a retirement savings plan at work, given that the worker is male, is (Round to three decimal places as needed.) (b) Find the probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is female, given that the worker contributes to a retirement savings plan at work, is (Round to three decimal places as needed.)
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