Find the probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1116?A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round your answer to three decimal places.
A. 264
B. 0.192
C. 0.045
D. 0.237
Answer: D
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Determine whether f(x) could represent a linear function. If it could, write f(x) in the form f(x) = mx + b.
A. No B. Yes; f(x) = 5x + 4
Solve the problem.At about what velocity do you enter the water if you jump from a 15 meter cliff? (Use
A. -8.5 m/sec B. -17 m/sec C. 17 m/sec D. 2 m/sec
Choose the best estimate from the list.3 + 10
is approximately 13, 13
, 13
, 14.
A. 13
B. 13
C. 14
D. 13
Solve the problem.The table lists the average composite scores on a national entrance exam for selected years.(i) Make a line graph of the data.(ii) If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval
A.
f(x) = 0.75x - 1359.5 if 1986 ? x ? 1990
B.
f(x) = 131.5 if 1986 ? x ? 1988
C.
f(x) = 4.4x - 8615.7 if 1990 ? x ? 1992
D.
f(x) = 122.7 if 1990 ? x ? 1992