Let Z Be a Normal Random Variable with Mean 0

question 36

Multiple Choice

Let z be a normal random variable with mean 0 and standard deviation 1. The 90^th percentile of z is ___.

• A) 1.645
• B) -1.25
• C) 1.96
• D) 1.28
• E) -1.645

---

Definitions:

Nash Equilibrium

A concept within game theory where each player's strategy is optimal, given the strategies of other players, and no player has anything to gain by changing their own strategy alone.

Dominant Strategy

A strategy in a game theory context that is best for a player regardless of what strategies other players choose.

Nash Equilibria

Situations in a strategic game where no player can benefit by changing their strategy while the other players keep theirs unchanged.

Stable

In an economic context, it refers to a situation or condition that is not significantly changing or is predictable and thus not subject to rapid fluctuations.