A company's employee database contains data on whether or not the employee has a dependent child in his or her health insurance. The database also includes each employee's compensation.

b) What are the likely values it can take on?

A company's employee database contains data on whether or not the employee has a dependent child in his or her health insurance. The database also includes each employee's compensation.

a) Is this variable discrete or continuous?

A company has discovered that a recent batch of batteries had manufacturing flaws and has issued a recall. You have 10 batteries covered by the recall, and 3 are dead. You choose 2 batteries at random from your package of 10.

d) Find the standard deviation?

A company has discovered that a recent batch of batteries had manufacturing flaws and has issued a recall. You have 10 batteries covered by the recall, and 3 are dead. You choose 2 batteries at random from your package of 10.

c) Find the expected number of good batteries?

A company has discovered that a recent batch of batteries had manufacturing flaws and has issued a recall. You have 10 batteries covered by the recall, and 3 are dead. You choose 2 batteries at random from your package of 10.

b) Make a probability model for the number of good batteries chosen.