A Variable X Has a Binomial Distribution with Probability of Success

question 63

Multiple Choice

A variable x has a binomial distribution with probability of success 0.65 for each trial. For a total of 50 trials, what are the mean and the standard deviation of the distribution? ​

• A) ​
• B) ​
• C) ​
• D) ​
• E) ​

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Definitions:

Operating Leverage

A measure of how revenue growth translates into growth in operating income. It is an indicator of the fixed versus variable costs in a company's operation.

Fixed Costs

Expenses that do not change with the level of output or sales within a certain range and period.

Break-Even Point

The point at which total revenues equal total costs, and the business makes neither profit nor loss.

Fixed Expenses

A repackaged definition of fixed costs emphasizing their nature as constant across different levels of output or sales.