If the Population Deviation Is Known and We Wish

question 153

Multiple Choice

If the population deviation is known and we wish to estimate the population mean with 90% confidence, what is the appropriate critical z-value to use?

• A) 1.28
• B) 1.645
• C) 1.96
• D) 2.33

---

Definitions:

E-mail

A method of sending messages and information electronically via a computer network.

Continuous Loop

A process or sequence of operations that repeats continuously without coming to an end.

Blog Problems

Issues or challenges faced by bloggers, including content creation, audience engagement, and technical difficulties.

Communication Filters

Psychological, social, or cultural barriers that alter or influence how messages are received or interpreted.