Question: Consider the manufacturing of tractors using two different assembly lines, as described in Example 9.2-4. Let p1 denote the proportion of tractors coming out of

Consider the manufacturing of tractors using two different assembly lines, as described in Example 9.2-4. Let p1 denote the proportion of tractors coming out of assembly line L1 that require adjustments, and let p2 be the corresponding proportion for assembly line L2.

(a) Test H0 : p1 = p2 against Ha : p1 > p2 at level of significance at α = 0.01, and compute the p-value.

(b) Use R commands to conduct the test of part

(a) and to construct a 99% CI for p1 − p2.

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