1)	The 10 quiz scores (out of 25) of the student are as follows:
		{25,20,22,18,18,25,20,23,18,19)
			a)  Find the mean score.
			b)  Find the median score.
			c)  Find the mode score.
			d)  Find the standard deviation of the scores.
			e)  Construct a histogram to represent the data.

	2)	Refer to the standard normal z-distribution:
			a)  What percentage lies between z = 0 and z = 1.62.
			b)  What percentage lies between z = -1.62 and z = 1.62.
			c)  Find the probability p(0.55< z < 1.78)
			d)  Find c such that p(-c < z < c) = 0.1586
			e)  Find c such that p(z<c) = 0.5160
			f)  Find z 0.2517

	3)	Find the future value of $120,000 deposited at 4% for 6 years and 6 			months if the interest is:
			a) simple.
			b) compounded semi-annually.

	4)	Judi wishes to set up a TDA for her retirement.  She has $275 taken out of 			each monthly check; it will earn 11% interest.  She just had her fortieth 			birthday and her ordinary annuity comes to term when she is 65.  
			a)  Find the future value of the account.
			b)  Find Judi’s total contribution to the account.

	5)	Find the future value of an annuity due with monthly payments of $50 that 		earns interest at 6% after 10 years.

	6)	Angela wants to receive a payout of $2500 per month for 25 years.
			a)  How much money must be in the deposit if the money earns 					7.8% compounded monthly?
			b)  How large a monthly payment would Angela have made if she 					saved for her payout annuity with an ordinary annuity, 30 					years before she needed it?
			c)  Find the total that Angela will pay into her ordinary annuity?

	7)	Approximate the area of a circle of diameter 15 by finding the area of an 			appropriate octagon, in the manner of the ancient Egyptians.

	8)	Find the length of the longest object that will fit inside a rectangular box 			that is 5 ft long, 3 ft wide, and 4 ft high.

	9)	Find the center and radius of the circle defined by :
			X2 - 8X + Y2 + 4Y – 5 = 0

	10)	Consider the matrices;

		 

			a)  What are the dimensions of A?
			b)  What element corresponds to b23
			c)  Find the product A*B if possible.
			d)  Find A2.
			
	11)	Solve the system:
			3x - 2y = 4
			4x + y = 9

	12)	Rewrite the above system in matrix form.

	13)	Solve the system
			x + y - z = 2
			x - 2y + 3z = 3
			2x + 4y - 5z = 7