Author Question: Of 800 students in a university, 360, or 45, live in the dormitories. The 800 is an example of ... (Read 146 times)

codyclark · **on:** Jun 24, 2018

Of 800 students in a university, 360, or 45, live in the dormitories. The 800 is an example of _____.
a. a sample
b. a population
c. statistical inference
d. descriptive statistics

Question 2

A population has a mean of 300 and a standard deviation of 18 . A sample of 144 observations will be taken. The probability that the sample mean will be between 297 to 303 is
a. 0.4332.
b. 0.9544.
c. 0.9332.
d. 0.0668.