If the circumference of a circle is doubled, the diameter of the circle
a) remains the same
b) increases by 2
c) is multiplied by 4
d) is doubled

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

How many $20 bills do you need to have to make $280

If you could answer these your a life saver