Question

Below is a 5-item true or false test. Determine whether the statement is true or

false. Write T if the statement is true and F if false on the blank provided before the

number.

1. The area under a normal curve is 100.

2. The area under the curve corresponds to all probabilities of X.

3. The mean of a standard normal curve is 0.

4. The normal curve is bell-shaped and is symmetrical about its center.

5. The curve is determined by the standard deviation of the distribution.

Answer 1

1. F

2.T

3. T

4. T

5. T because, the larger the standard deviation, the wider the curve