The probability of obtaining a random sample mean which is lower ...

[Redwolflake15]

The probability of obtaining a random sample mean which is lower than the
  population mean is
 
  a. 1.00
  b. 0
  c. .50
  d. none of these, since a sample mean can never be lower than a population
  mean

Question 2

If percent correct on the next test revealed a positively skewed graph, you might decide that
 
  a. the test was challenging.
  b. the test was easy.
  c. most students must have studied well for the test.
  d. the highest point on the graph would be on the right side.

[amandalm]

Answer to Question 1

c

Answer to Question 2

a

[Redwolflake15]

Thanks for the timely response, appreciate it

[carlsona147]

Wow, this really help