If p = 1/5, the binomial distribution for samples of n = 100 will ...

[Starlight]

If p = 1/5, the binomial distribution for samples of n = 100 will have a standard deviation of  = 4.
 
  Indicate whether the statement is true or false

Question 2

If the sample size is held constant, which of the following will produce the widest 90 confidence interval for the population mean difference for a repeated-measures study?
 
  A) MD = 5 with s2 = 5 for the difference scores
  B) MD = 5 with s2 = 10 for the difference scores
  C) MD = 3 with s2 = 10 for the difference scores
  D) MD = 3 with s2 = 20 for the difference scores

[Jossy]

Answer to Question 1

True

Answer to Question 2

D

[Starlight]

TYSM

[milbourne11]

Gracias!