A Random Sample of 40 Students Has a Mean Annual $\mu \text { if } \mathrm { c }$

question 75

Multiple Choice

A random sample of 40 students has a mean annual earnings of $3120. Assume the population standard deviation is $677. Construct the confidence interval for the population mean, $\mu \text { if } \mathrm { c }$ = 0.95.

• A)($2910, $3330)
• B)($210, $110)
• C)($4812, $5342)
• D)($1987, $2346)

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Definitions:

Sexual Orientation

A person’s preference for emotional and sexual relationships with individuals of the same gender, the other gender, or either gender.

Evolutionary Psychologists

Researchers who study the psychological adaptations of humans to the changing physical and social environment, especially those that enhance survival and reproductive success.

Natural Selection

A process in evolutionary biology where organisms better adapted to their environment tend to survive and reproduce more than those less adapted.

Social Behaviors

Actions or reactions of an individual in relation to the society or groups they belong to or interact with.