With a known population mean of 75 and a known standard error of ...

[cartlidgeashley]

With a known population mean of 75 and a known standard error of the mean
  of 5.00, what is the probability of selecting at random a sample whose mean is
  70 or less?
 
  What will be an ideal response?

Question 2

When the 2 by 2 chi square contingency table contains expected frequencies
  of less than 5, most statisticians agree that
 
  a. the Yates correction must be applied
  b. coefficient of contingency must be applied
  c. the degrees of freedom then must increase by 5
  d. the chi square should not be calculated

[nixon_s]

Answer to Question 1

p=.16

Answer to Question 2

d

[cartlidgeashley]

Thank you

[nixon_s]

No problem