Chapter 5 Quiz 1. Since the normal curve is a probability distribution, the tota

Question

Chapter 5 Quiz

1. Since the normal curve is a probability distribution, the total area under the curve is equal to one.

True
False

2. A binomial distribution is a discrete probability distribution.

a.True

b.False

3. If the probability of a particular event is 24 percent, then the event cannot occur more than once in four trials.

True
False

4. A parameter

(a) Is a characteristic of the population
(b) Is a characteristic of the sample

(c) Is a value called a statistic

(d) None of the above

5. A discrete probability distribution

(a) has a finite number of values that a random variable can take.
(b) consists of continuous random variables with an infinite number of values.

(c) is the term used to describe the normal distribution.

(d) is required when variables such as weight, length, or time are considered.

Explanation / Answer

1) It is true that the total area under the normal curve is 1.

True

2) True

3) False

4) Parameter -  Is a characteristic of the population

5) A discrete probability distribution - has a finite number of values that a random variable can take.

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