Choose the correct answer in each of the following questions: If the mean of x, x + 3, x+5, x +7, x+ 10 is 9, the mean of the last three observations is (a) 1013 (b) 1023 (c) 1113 (d) 1123

Choose the correct answer in each of the following questions: If the

1.	Choose the correct answer in each of the following questions: If the mean of x, x + 3, x+5, x +7, x+ 10 is 9, the mean of the last three observations is (a) 1013 (b) 1023 (c) 1113 (d) 1123
Answer» Choose the correct answer in each of the following questions: If the mean of x, x + 3, x+5, x +7, x+ 10 is 9, the mean of the last three observations is (a) $10 \frac{1}{3}$ (b) $10 \frac{2}{3}$ (c) $11 \frac{1}{3}$ (d) $11 \frac{2}{3}$