What is wrong with this statement?: “For a first-order Markov logistic regression model, Yt is independent of Yt−2.” Give an example of a scenario in which data would likely (a) be missing at random...

What is wrong with this statement?: “For a first-order Markov logistic regression model, Yt is independent of Yt−2.”

Give an example of a scenario in which data would likely (a) be missing at random but not missing completely at random, (b) not be missing at random.