Question 1

For a binomial test, if pn = 10 and qn = 90, then n = 100.

Accepted Answer

A) True 
 B)False

Question 2

For binomial data, what is the value of p + q?

Accepted Answer

A) .5 
B) 1.00 
C) 2.00 
D) None of the other 3 choices is correct.

Question 3

Discarding the zero differences for a sign test increase the likelihood of rejecting the null hypothesis.

Accepted Answer

A) True 
 B)False

Question 4

For binomial data, if n = 40 and q = 0.60, then pn = 16.

Accepted Answer

A) True 
 B)False

Question 5

The probability of correctly predicting the outcome of a coin toss is p = ½.What is the standard deviation of the normal approximation to the binomial distribution for the number of correct predictions in a series of 100 tosses?

Accepted Answer

A) 50 
B) $\surd$50 
C) 25 
D) 5

Question 6

What is the standard deviation for the normal approximation to the binomial distribution with p = ½ and n = 400?

Accepted Answer

A) 200 
B) 100 
C) 25 
D) 10

Question 7

For a binomial distribution based on n = 100, the standard deviation would be larger for p = 0.90 than for p = 0.80.

Accepted Answer

A) True 
 B)False

Question 8

For a binomial test with p = ½ and n = 36, the z-score for X = 21 is z = +1.00.

Accepted Answer

A) True 
 B)False

Question 9

If sample data are suitable for evaluation with a binomial test, what other test could also be used for the same data?

Accepted Answer

A) an analysis of variance. 
B) a test comparing two population means. 
C) the chi square test for goodness of fit. 
D) the Pearson correlation

Question 10

If pn = 20 and qn = 60, then what is the value of n?

Accepted Answer

A) 100 
B) 80 
C) 40 
D) none of the above

Exam 18: The Binomial Test

For a binomial test, if pn = 10 and qn = 90, then n = 100.

For binomial data, what is the value of p + q?

Discarding the zero differences for a sign test increase the likelihood of rejecting the null hypothesis.

For binomial data, if n = 40 and q = 0.60, then pn = 16.

The probability of correctly predicting the outcome of a coin toss is p = ½.What is the standard deviation of the normal approximation to the binomial distribution for the number of correct predictions in a series of 100 tosses?

What is the standard deviation for the normal approximation to the binomial distribution with p = ½ and n = 400?

For a binomial distribution based on n = 100, the standard deviation would be larger for p = 0.90 than for p = 0.80.

For a binomial test with p = ½ and n = 36, the z-score for X = 21 is z = +1.00.

If sample data are suitable for evaluation with a binomial test, what other test could also be used for the same data?

If pn = 20 and qn = 60, then what is the value of n?