Construct a 95 confidence interval for p1 - p2. The sample ...

[jon_i]

Construct a 95 confidence interval for p1 - p2. The sample statistics listed below are from independent samples. Sample statistics: n1 = 50, x1 = 35, and n2 = 60, x2 = 40
 
  A) (-0.141, 0.208 ) B) (-0.871, 0.872 ) C) (-1.341, 1.781 ) D) (-2.391, 3.112 )

Question 2

Which of the following is not a characteristic of Students t-distribution?
 
  A) mean of 1
  B) symmetric distribution
  C) depends on degrees of freedom.
  D) For large samples, the t and z distributions are nearly equivalent.

[blakcmamba]

Answer to Question 1

A

Answer to Question 2

A

[jon_i]

Thanks for the timely response, appreciate it

[scottmt]

TYSM