1. You just bought a new briefcase and need to pick a four digit combination out of 10 possible numbers for the lock. If order does matter how many possible lock combinations can you choose from?

	D. 995
	A. 5,040

	C. 210
	B. 110,250

2. There is a 40% probability that a student PASSES their first statistics exam. Using a Binomial Distribution, if we randomly select 7 students: What is the probability that 3 or fewer FAIL their first statistics exam?

	71.02%
	26.13%

	29.03%
	15.28%

3. You are starting your new job and have to wear a dress shirt, suit and tie every day.

In your closet you have 4 blue shirts, 3 plaid shirts, and 2 striped shirts.

You have 1 blue suit, 2 black suits, and 1 brown suit,

You also have 2 blue ties, 3 red ties, and 3 pink ties. What is the probability that you pick a striped shirt AND a blue suit AND a pinktie?

	B. 2.08%
	C. 7.69%

	D. 5.65%
	A. 3.85%