A Variable X Has a Binomial Distribution with Probability of Success

question 27

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:

Observations

Data collected or measured from a study or experiment on variables of interest.

Table Value

A specific value located in a statistical table that is used to determine the significance or critical values in hypothesis testing.

Correlation Coefficient

A numerical measure of some type of correlation, meaning a statistical relationship between two variables, indicating strength and direction of a linear relationship between them.

Scatterplot

A type of graph used in statistics to display values for two variables for a set of data, showing how much one variable is affected by another.