The Numbers of Successes and the Sample Sizes Are Given $\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$

question 29

Multiple Choice

The numbers of successes and the sample sizes are given for independent simple random samples from two populations.Use the two-proportions z-interval procedure to obtain the specified confidence interval.
- $\mathrm { x } _ { 1 } = 32 , \mathrm { n } _ { 1 } = 80 , \mathrm { x } _ { 2 } = 17 , \mathrm { n } _ { 2 } = 20.99 \%$ confidence interval

• A)\(- 0.625\) to \(- 0.275\)
• B) \(- 0.649\) to \(- 0.251\)
• C) \(- 0.674\) to \(- 0.226\)
• D) \(- 0.699\) to \(- 0.201\)

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Definitions:

Spontaneous Recovery

The reappearance of a learned response after extinction has occurred, following a period of no exposure to the conditioned stimulus.

Loud Noise

A sound with a high decibel level that can potentially cause hearing damage or discomfort.

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A behavioral paradigm in which organisms learn to predict aversive events, a form of associative learning where a neutral stimulus becomes associated with a fear-inducing event.

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