=+b Give the exact probability of a type I error in (a) c On the basis of

=+ðbÞ Give the exact probability of a type I error in (a)

ðcÞ On the basis of the following random sample of pairs:

test at a significance level not exceeding 0.10 the null hypothesis H0: M ¼ 2 against the alternative H1: M 6¼ 2, where M is the median of the continuous and symmetric population of differences D ¼ X  Y.

ðdÞ Give the exact probability of a type I error in (c).

ðeÞ Give the confidence interval corresponding to the test in (c).