Please answer as below questions

{f} Use a 5% level of signicance to test the claim that ,3 t 0. (Use 2 decimal places.) r x Grit-ta. : : 3: Con cIusi on O Reject the null hypothesis, there is sufcient evidence that 1:? differs from 0. O Reject the null hypothesis, there is insufcient evidence that B differs from D. G Fail to reject the null hypothesis, there is insufficient evidence that t? differs from O. O Fail to reject the null hypothesis, there is sufcient evidence that ,8 differs from 0. X {g} Find a 99% condence interval for g? and interpret its meaning. {Use 2 decimal places.) lower limit 439.2? x upper limit K Interpreted on O For every unit increase in batting average, the percentage strikeouts decreases by an amount that fails within the condence interval. 0 For every unit increase in batting average, the percentage strikeouts decreases by an amount that falls outside the condence interval. @ For every unit increase in batting average, the percentage strikeouts increases by an amount that falls within the condence interval. 0 For every unit increase in batting average, the percentage strikeouts increases by an amount that falls outside the condence interval. 10. [2.25/5.34 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 9.3.008. MY NOTES ASK YOUR TEAC Let x be a random variable that represents the batting average of a professional baseball player. Let y be a random variable that represents the percentage of strikeouts of a professional baseball player. A random sample of n = 6 professional baseball players gave the following information. X 0.334 0.276 0.340 0.248 0.367 0.269 2.7 7.5 4.0 8.6 3.1 11.1 (a) Verify that Ex = 1.834, Zy = 37, Ex2 = 0.571886, Zy 0. (Round your answers to two decimal places.) t 2.57 x critical t 2.13 Conclusion O Reject the null hypothesis, there is sufficient evidence that f > 0. O Reject the null hypothesis, there is insufficient evidence that B > 0. O Fail to reject the null hypothesis, there is insufficient evidence that f > 0. O Fail to reject the null hypothesis, there is sufficient evidence that B > 0. (g) Find a 90% confidence interval for B. (Round your answers to three decimal places.) lower limit 0.081 upper limit 0.862 X9. [3.87/5.31 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 9.3.007.MI. MY NOTES ASK YOUR TEACHER Let x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of n = 6 professional basketball players gave the following information. 67 64 75 86 73 73 44 41 48 51 44 51 (a) Verify that Ex = 438, Zy = 279, Ex? = 32264, Ey? = 13059, Exy = 20493, and / = 0.800. Ex 438 Ey 279 Ex2 32264 Zy2 13059 Rectangular Smip Exy 20493 r 0.800 (b) Use a 5% level of significance to test the claim that p > 0. (Round your answers to two decimal places.) t 2.57 x critical t 2.13 Conclusion Reject the null hypothesis, there is sufficient evidence that p > 0. O Reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is sufficient evidence that p > 0. (c) Verify that S. = 2.7729, a = 14.783, b = 0.4345, and x = 73.000. 5 2.7729 2 14.783 6 0.4345 x 73.000 (d) Find the predicted percentage y of successful field goals for a player with x = 79% successful free throws. (Round your answer to two decimal places.) 47.20 X % (e) Find a 90% confidence interval for y when x = 79. (Round your answers to one decimal place.) lower limit 40.2 X % Activate Windows upper limit 54.2 X Go to Settings to activate Windows