THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 130

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Times spent studying by students in the week before final exams follow a normal distribution with standard deviation 9 hours.A random sample of 5 students was taken in order to estimate the mean study time for the population of all students.
-What is the probability that the sample mean exceeds the population mean by more than 2.1 hours?

---

Definitions:

Estimates Icon

A visual symbol or button in software applications that allows users to create or access estimates for goods or services.

Company Preferences

Configurations or settings chosen by a business to customize how their software applications operate to best meet their organizational needs.

Bad Debt Expense

Bad debt expense represents the amount of receivables that a company cannot collect, considered a business expense.

Sales Tax

A government-imposed levy on the sale of goods and services, contributing to public revenue.