THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 138

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Each member of a random sample of 20 business economists was asked to predict the rate of inflation for the coming year.Assume that the predictions for the whole population of business economists follow a normal distribution with standard deviation 2%.
-Find any pair of values such that the probability that the sample standard deviation lies between these values is 0.90.

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Definitions:

Incarceration Rate

The number of individuals held in prison or jail per 100,000 people in a particular population.

Imprisonment Rate

The number of individuals incarcerated in a country's prison system per 100,000 of the population.

Immigrant Population

Refers to the group of people who have moved to a country from another country to live permanently.

Incarceration Rates

The proportion of a population that is confined in prison or jail, often expressed per 100,000 individuals.