Stats Help for College-level Students

Explanation of Power of the Test in Hypothesis Testing

What does the power of a test measure? What three factors increase the power of the test?

Probability distribution for discrete random variables

From past experience, an automobile insurance company knows that a given automobile will suffer a total loss with probability .02, a 50% loss with probability .08, or a 25% loss with probability .15 during a year. What annual premium should the company charge to insure a $10,000 automobile, if it wishes to "break even" on all p ...continues

Statistics and Subjective Probability: Definition and an example.

What is meant by the concept 'subjective probability'? Give an example.

Relative Frequency: Definition, Formula and Example.

What does the term relative frequency mean and how does it relate to probability? Give an example.

Equally-likely Outcomes Model of Probability: Definition, formula, and example

What is the 'Equally-likely Outcomes Model of Probability?" What is the formula for this model of probability?

Explanation of Discrete Random Variable and Continuous Random Variable and Examples

What is a discrete random variable and how does it differ from a continuous random variable? Give examples.

Statistics - Regression and Correlation

Two problems, one may require the working of two problems for correlation. Data and all questions included (if needed). The only questions required are 15.7 and 15.22. 15.7 As Communications and the media change and become more important in the economy, the radio industry has become an area of concern. One of the major ...continues

Probability and standard deviation

Find the probability and the z-value for the questions attached.

Probability distribution

702) On any given day the number of leasable square feet of office space available in a small city is a normally distributed random variable witha mean of 850,000 square feet and a standard deviation of 25,000 square feet. The number of leasable square feet available in another city is normally distributed with a mean of ...continues

Probability distribution

702) On any given day the number of leasable square feet of office space available in a small city is a normally distributed random variable within mean of 850,000 square feet and a standard deviation of 25,000 square feet. The number of leasable square feet available in another city is normally distributed with a mean of ...continues