Solve the problem.Using the digits 0 through 9, how many 7-digit serial numbers can be made if the first digit must be 0 or 1 and digits may not be repeated?
A. 120,960
B. 8
C. 1008
D. 40,320
Answer: A
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Find the indicated probability.The age distribution of students at a community college is given below. Age (years)Number of students (f)
1128?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. 0.246 B. 278 C. 0.053 D. 0.193
Solve the problem.Suppose that we wish to distribute the four-digit random numbers from 0000 through 9999 such that the corresponding random numbers can be used to simulate the polluting spills in the Great Lakes. If the numbers 0000 to 2465 correspond to 0 spills, what is the estimated probability of 0 spills?
A. 
B. 
C. 
D. 
Use a table of integrals to solve the problem.Find the area between y = ln x and the x-axis from x = 1 to x = 4.
A. 4 ln 4 -3
B. 
C. ln 4
D. 4 ln 4 - 4
Use the unit circle to find the value of the trigonometric function.sin 
A. 2
B. 
C. 
D. 