Find the standardized test statistic, z, to test the hypothesis ...

[SGallaher96]

Find the standardized test statistic, z, to test the hypothesis that p1  p2. Use  = 0.02. The sample statistics listed below are from independent samples. Sample statistics: n1 = 1000, x1 = 250, and n2 = 1200, x2 = 195
 
  A) 5.087 B) 2.798 C) 4.761 D) 3.212

Question 2

Find the critical t-value that corresponds to 90 confidence and n = 15.
 
  A) 1.345 B) 1.761 C) 2.145 D) 2.624

[ultraflyy23]

Answer to Question 1

A

Answer to Question 2

A

[SGallaher96]

Thanks for the timely response, appreciate it

[mammy1697]

Excellent