To Estimate the Mean of a Normal Population Whose Standard

question 132

Multiple Choice

To estimate the mean of a normal population whose standard deviation is 6,with a bound on the error of estimation equal to 1.2 and confidence level 99% requires a sample size of at least:

• A)166
• B)167
• C)13
• D)None of these choices.

---

Definitions:

Repressed Emotions

Feelings that have been unconsciously pushed down or held back from conscious awareness, often as a defensive mechanism to avoid pain or anxiety.

Significant Figure

A digit in a number that contributes to its precision, indicating the extent of its accuracy.

Unconscious Conflicts

Internal struggles often stemming from repressed thoughts and feelings that lead to psychological tension and symptoms according to psychoanalytic theory.

Hidden Sexual Desires

Unconscious or suppressed sexual feelings that an individual may not be fully aware of or choose not to acknowledge.