Use the Two-Proportion Plus-Four Z-Interval Procedure to Find the Required

question 102

Multiple Choice

Use the two-proportion plus-four z-interval procedure to find the required confidence interval.
-A survey of randomly chosen adults found that 27 of the 86 women and 37 of the 87 men follow regular exercise programs. Construct a 95% confidence interval for the difference in the
Proportions of women and men who have regular exercise programs.

• A)-0.277 to 0.486
• B)0.150 to 0.486
• C)-0.250 to 0.033
• D)0.177 to 0.460

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Definitions:

Decay Theory

A theory of forgetting that proposes that memories may fade or erode over time in the absence of rehearsal or usage.

Sensory Memory

The very first system in memory, in which raw information from the senses is held for a very brief period of time.

Short-Term Memory

The capacity for holding a small amount of information in mind in an active, readily available state for a short period of time.

Prefrontal Cortex

A region of the brain located at the front of the frontal lobes, associated with complex behaviors, decision making, and moderating social behavior.