The time between arrivals of customers at an automatic tellermachine is an exponential random variable with a mean of 5minutes. a) what is the probability that more than threecustomers arrive in 10 minutes? b) what is the probability that the time until the 5thcustomer arrives is less then 15 minutes?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

3.4a=57.8 what is the the value of a

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was