SCENARIO 7-1 The Time Spent Studying by Students in the Week Before

question 37

Short Answer

SCENARIO 7-1
The time spent studying by students in the week before final exams follows a normal distribution with a standard deviation of 8 hours.A random sample of 4 students was taken to estimate the mean study time for the population of all students.
-Referring to Scenario 7-1,what is the probability that the sample mean differs from the population mean by less than 2 hours?

---

Definitions:

Self-esteem

An individual's subjective evaluation of their own worth or value.

Duchenne Smile

A genuine smile that involves the contraction of both the zygomatic major muscle (raising the corners of the mouth) and the orbicularis oculi muscle (causing crow's feet around the eyes).

Competent

Having the necessary ability, knowledge, or skill to do something successfully or efficiently.

Cry

The act of shedding tears in response to an emotional state, such as sadness, happiness, or pain.