# statistics

posted by .

A vertical line is drawn through a normal distribution at z = 0.50, and separates the
distribution into two sections. What proportion of the distribution is in the larger section?
a. 0.6915
b. 0.3085
c. 0.1915
d. 0.3830

• statistics -

You don't even need a set of Normal tables to answer this one. Just remember that the total area under the curve is 1; note that you've been asked to find the proportion of the distribution in the larger section, and then look at the four options. How many answers greater than 0.5 are listed?

• statistics -

0.3085

## Similar Questions

1. ### stat

Which of the following statements is true about the t-distribution with k degrees of freedom?
2. ### Statistics

A mathematically defined curve that is the comparison distribution used in ANOVA is called the: - Normal distribution - Chi Square distribution - F distribution - T distribution
3. ### Statistics

1. Which of the following statements are correct?
4. ### statistics

Which of the following statements are correct?
5. ### Statistics

Which of the following statements are correct?
6. ### Statistics

As the degrees of freedom for the t-distribution increase, the distribution approaches the value of zero for the mean. the t-distribution. the normal distribution. the F distribution.
7. ### AP Statistics

As the degrees of freedom for the t-distribution increase, the distribution approaches the value of zero for the mean. the t-distribution. the normal distribution. the F distribution. I'm thinking C...
8. ### statistics

A normal distribution has a mean of 36 and standard deviation of 4. What proportion of the distribution consisted of scores between x=34 and x=38?
9. ### statistics

6. Which distribution has the larger mean?
10. ### Statistics

A normal distribution has a mean of ƒÝ = 100 with ƒã = 20. If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 90 and X = 110?

More Similar Questions