Let Z Be a Normal Random Variable with Mean 0

question 4

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) -1.254
• C) 1.960
• D) 1.280
• E) 1.650

---

Definitions:

Demographic Transition

The massive decline in birth rates that occurs once a developing country achieves higher standards of living because the perceived marginal cost of additional children begins to exceed the perceived marginal benefit.

Population Growth

The increase in the number of individuals in a population over a specific period.

Rising Incomes

An economic condition characterized by a general increase in the level of wages, salaries, and profits across a population or economy.

Population Growth

The increase in the number of individuals in a population, often measured as a percentage of growth over a specific period of time.