In a Sample of 50 Mice, a Biologist Found That $31.3 \% < \mathrm { p } < 44.7 \%$

question 75

Multiple Choice

In a sample of 50 mice, a biologist found that 38% were able to run a maze in 30 seconds or less. Find the 95% limit for the population proportion of mice who can run that maze in 30 seconds or less.

• A) \(31.3 \% < \mathrm { p } < 44.7 \%\)
• B) \(26.7 \% < \mathrm { p } < 49.3 \%\)
• C) \(24.5 \% < \mathrm { p } < 51.5 \%\)
• D) \(17.8 \% < \mathrm { p } < 58.2 \%\)

---

Definitions:

Interval Estimate

An estimate of a population parameter that specifies a range of possible values within which the parameter is expected to lie, usually expressed with a degree of confidence.

Confidence Interval

An interval of values obtained from statistical study of a sample, which is believed to cover the value of a hidden population parameter.

Applicants

Individuals or entities that apply for something, such as a job, grant, or college admission.

Chemistry Department

A specific division within a college or university focusing on the study and teaching of chemistry.