According to Net Market Share, Microsoft's Internet Explorer ...

[wenmo]

According to Net Market Share, Microsoft's Internet Explorer browser has53.4 of the global market. A random sample of 70 users was selected. What is the probability that 32 or more from this sample used Internet Explorer as their browser?
 
  A) 0.7266
  B) 0.8050
  C) 0.9015
  D) 0.9608

Question 2

The federal government would like to test the hypothesis that the standard deviation for the age of men filing for Social Security is higher than the standard deviation for the age of women.
 
  The following table summarizes sample statistics from each population. Women MenSample standard deviation 2.4 years 3.4 yearsSample size 24 20The test statistic for this hypothesis test would be ________.A) 2.01
  B) 4.87
  C) 5.60
  D) 7.74

[Alyson.hiatt@yahoo.com]

Answer to Question 1

C

Answer to Question 2

A

[wenmo]

Excellent

[duy1981999]

Thanks for the timely response, appreciate it