A 90% Confidence Interval Is Constructed for the Population Mean

question 19

Multiple Choice

A 90% confidence interval is constructed for the population mean.If a 95% confidence interval had been constructed instead (everything else remaining the same) ,the width of the interval would have been ________ and the probability of making an error would have been _________.

• A)Wider;bigger
• B)Wider;smaller
• C)Narrower;bigger
• D)Narrower;smaller

---

Definitions:

Discriminative Stimulus

A specific cue or stimulus in the environment that signals the availability of reinforcement or punishment, guiding behavior accordingly.

Reinforcement

In behavioral psychology, a stimulus that increases the probability of a behavior being repeated.

Operant Conditioning

A learning principle where behaviors are influenced by the consequences that follow, such as rewards or punishments.

Biofeedback

A technique that teaches individuals to improve their health by controlling bodily processes that normally happen involuntarily, such as heart rate or blood pressure.