Consider the figure below. It shows three cumulative distributions functions for the exponential distribution with various parameters:

Identify the color of these distributions.

Which correlation coefficient best matches the scatterplot shown below?

The cumulative probability function of the daily number of customers visiting a retail store during a specific time slot () is given in the table below.

The expected value and variance of the daily number of costumers visiting the store are, respectively,

Which correlation coefficient best matches the scatterplot shown below?

A portfolio is invested in stocks Alpha and Beta with 30% of the portfolio invested in Alpha. The exhibit below illustrates the covariance matrix and expected returns with respect to the portfolio.

The correlation coefficient (r) between alpha and beta is closest to:

Which of the code lines listed below was used to create this table?