Sandeep put some business cards into a basket. Then, he drew 2 business cards out of the basket.

Is this sample of the business cards in the basket likely to be biased?
Yes or No

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)

In the rectangle below ac=30 units what is de

Which expression is equivalent to the expression shown?