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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 exceeds the population mean by more than 2 hours?
Win
To achieve victory in a contest or competition.
Fair
An event or situation characterized by justice, equality, and impartiality, or an adjective describing such qualities.
Expect
To anticipate or regard as likely to happen in the future.
Random Variable
A variable whose values depend on outcomes of a random phenomenon, often used in probability and statistics.
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