Between 1-50 what is the probability of selecting a number less than 19

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)

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Write the equation in logarithmic form m^x=n