A Pasta Company Would Like to Know the Variability in the Shelf

question 90

Short Answer

A pasta company would like to know the variability in the shelf life of their product. A random sample of 20 packages of pasta yielded a standard deviation of 5 days. Estimate the population variance using a 90% confidence interval. Assume the distribution is normal.
______________ Enter (n1, n2)

---

Definitions:

CS

Also known as a Conditioned Stimulus, it is a previously neutral stimulus that, after being paired with an unconditioned stimulus, elicits a conditioned response.

US

Refers typically to the United States, a country in North America consisting of 50 states, but in psychological contexts, it might stand for the "unconditioned stimulus," a stimulus that naturally and automatically triggers a response.

CR

CR can refer to various terms depending on context; without further specification, it's ambiguous. In medicine, it might stand for "controlled release"; in learning, "conditioned reflex."

Associative Learning

The process by which an individual learns the connection between two stimuli or between a behavior and a consequence.