With a known population mean of 10 and a known standard error of ...

[RRMR]

With a known population mean of 10 and a known standard error of the mean
  of 1.47, what is the probability of selecting at random a sample whose mean is
  8.50 or less?
 
  What will be an ideal response?

Question 2

With a known population mean of 1500, and a known standard error of the
  mean of 42.50, what is the probability of selecting at random a sample whose
  mean is 1450 or less?
 
  What will be an ideal response?

[tanna.moeller]

Answer to Question 1

p=.15

Answer to Question 2

p=.12

[RRMR]

Thanks for the timely response, appreciate it

[cpetit11]

Gracias!