Suppose the time intervals in seconds between arrivals of successive cars at an expressway tollbooth during rush hour are exponentially distributed with associated probability density function .
?
Find the probability that the average time interval between arrivals of successive cars is more than 3 sec. Give the answer to four decimal places, if necessary.

Fill in the blank(s) with the appropriate word(s).


0.3679

Mathematics

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Simplify.-9 +  2  -  14  - (-12) +  19 

A. 14 B. 10 C. -14 D. -28

Mathematics

Write a symbolic representation of a rational function f that satisfies the conditions.Vertical asymptotes x = 2 and x = -7,horizontal asymptote y = 4

What will be an ideal response?

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Convert to polar coordinates. Express the answer in radians, using the smallest possible positive angle.(6, 6)

A.
B.
C.
D.

Mathematics

Find the sum using a number line.13 + (-13)

A. 0 B. 1 C. 26 D. -26

Mathematics