Find the probability.The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results.If a customer is selected at random, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes? Round your answer to three decimal places.

A. 0.731
B. 0.54
C. 0.68
D. 0.14


Answer: B

Mathematics

You might also like to view...

Simplify.5x3(9x + 2)

A. 45x4 + 10x3 B. 45x + 10  C. 45x4 + 2 D. 55x3

Mathematics

Add or subtract as indicated and write the result in standard form.(-4 - 5i) + (3 - 3i) + (-2 - 3i)

A. -1 - 8i B. 1 - 5i C. -3 - 11i D. -9 - 5i

Mathematics

Write the whole number in expanded form.98,627

A. 70,000 + 2000 + 600 + 80 + 9 B. 9000 + 800 + 60 + 27 C. 98,627 D. 90,000 + 8000 + 600 + 20 + 7

Mathematics

Graph using the slope and the y-intercept.2x - y = 4

A.

B.

C.

D.

Mathematics