PSY-3301 Chapter 9 T/F Quiz (Set 2)
Question 1
4 out of 4 points
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The probability of 6 P events when N = 10 and P = 0.7 is the same as 4 Q events if Q = 0.3 and N = 10.
Question 2
4 out of 4 points
P + Q = 1.
Question 3
4 out of 4 points
The binomial distribution is always symmetrical.
Question 4
4 out of 4 points
To apply the binomial distribution properly (P + Q) must equal 1.00.
Question 5
4 out of 4 points
A valid example of a situation where one can apply the binomial distribution is in determining the probability of rolling a 6 or a 5 with the toss of a pair of dice.
Question 6
0 out of 4 points
The binomial distribution requires that the P and Q do not change from trial-to-trial.
Question 7
4 out of 4 points
The binomial distribution only applies to flipping coins and not to real life situations.
Question 8
4 out of 4 points
One can appropriately apply the binomial distribution if P = 0.37 and Q = 0.63.
Question 9
4 out of 4 points
The probability of getting a result as extreme or more extreme than 5 heads out of a toss of 7 unbiased coins is 0.4532.
Question 10
4 out of 4 points
In order to correctly apply the binomial distribution, one of the conditions that must be met is that there are only two possible outcomes on each trial.
Question 11
4 out of 4 points
If N > 20, the binomial distribution cannot be used.
Question 12
4 out of 4 points
The binomial distribution applies equally well to discrete and continuous variables.
Question 13
4 out of 4 points
It is preferable to use the normal approximation because it is more accurate than the binomial table.
Question 14
4 out of 4 points
Because Table B, “Binomial Distribution,” in Appendix D of the textbook only lists probabilities for values of P = 0.40 and 0.45, it is not possible to use the binomial distribution to solve problems where P = 0.43.
Question 15
4 out of 4 points
For the binomial distribution to be appropriate, P and Q must be equal.
Question 16
4 out of 4 points
In (P + Q)6 the term Q6 indicates 0 P events.
Question 17
0 out of 4 points
The binomial distribution can be used when there are three outcomes on each trial.
Question 18
4 out of 4 points
In (P + Q)7 the term Q7 indicates 0 P events.
Question 19
4 out of 4 points
You are solving a binomial problem with N = 25, It is theoretically and practically possible to solve the problem using the binomial expansion.
Question 20
4 out of 4 points
For the binomial distribution to apply to any situation, the situation must involve only two possible outcomes on each trial.
Question 21
4 out of 4 points
If P = 0.30 and Q = 0.67, the binomial distribution does not apply.
Question 22
4 out of 4 points
The binomial distribution only applies to situations where P = 0.50.
Question 23
4 out of 4 points
The binomial distribution requires that P and Q stay the same from trial-to-trial.
Question 24
4 out of 4 points
One can appropriately apply the binomial distribution if P = 0.5 and Q = 0.3 in a problem.
Question 25
4 out of 4 points
If P ¹ Q, the binomial distribution will still be normally distributed.