Make a probability distribution for the given set of events.When two fair dice are rolled, 36 equally likely outcomes are possible as shown below.
Find the probability distribution for the product of the two numbers that appear when two fair dice are rolled.
A.
B.
C.
D.
Answer: A
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Solve the problem.Roberto invested some money at 6%, and then invested $3000 more than twice this amount at 10%. His total annual income from the two investments was $3160. How much was invested at 10%?
A. $2500 B. $22,000 C. $25,000 D. $9000
Solve the problem.County records list a rectangular parcel of land as measuring 30,429 square yards. A surveyor measures the length of the parcel of land as 207 yards. What is the width of the parcel?
A. 30,222 yards B. 147 yards C. 156 yards D. 140 yards
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: {y|y > 0} intercept: (1, 0) symmetry: none B. function domain: {x|x > 0} range: all real numbers intercept: (1, 0) symmetry: none C. function domain: {x|x > 0} range: all real numbers intercept: (0, 1) symmetry: origin D. not a function
Use the graph to find the value. (fg)(7)
A. -6 B. 9 C. 6 D. -9