Help me please help I will give you 13 point because this is due help me please

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)

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30