Suppose a Random Sample of 36 Is Selected from a Population

question 46

Multiple Choice

Suppose a random sample of 36 is selected from a population with a standard deviation of 12.If the sample mean is 98, the 90% confidence interval for the population mean is ___.

• A)94.71 to 101.29
• B)97.45 to 98.55
• C)94.08 to 101.92
• D)97.35 to 98.65
• E)95.00 to 105.00

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Definitions:

Specialized Knowledge

Refers to knowledge that is focused on a particular or narrow area of a field, requiring specific skills, education, or training.

Problem-Solving Ability

The capacity to find solutions to difficult or complex issues through logical thought, creativity, and decision-making.

Perceptual Speed

Refers to the ability to quickly and accurately recognize similarities and differences among visual stimuli.

History-graded Influence

Refers to events or trends that affect entire cohorts or generations, such as wars or economic crises, shaping their attitudes and behaviors.