, 21.06.2019 17:00 aubreymoore4553

# Ineed asap a box contains 24 distinctly numbered orbs: 15 are red, and the remaining 9 are blue. how many ways can we draw a sample of 13 orbs, where at least one orb is blue?

### Another question on Mathematics

Mathematics, 21.06.2019 17:00
Analyzing a function the population of bobcats in northern arizona since 2008 can be modeled using the function b(t) = –0.32t2 + 2.7t + 253. what does t represent? what is the domain for this function? which range values would not make sense for this function? would the graph be continuous or discrete, and why?
Mathematics, 21.06.2019 19:40
The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes