In a college algebra class there are 18 freshman and 17sophomores. Eight of freshman are females and 13 of sophomores aremale. Student is selected at random, probability of selecting afemale?
Three cards are drawn from a deck without replacement, what isthe probability of selecting a king, a nine and a ten?
A light bulb is advertised as lasting a 100 hours with astandard deviation of 1500 hours. Find the probability of buying alight bulb and it lasting a) less than 1250 hours , b) between 901and 1000 hours c) more than 901 hours
Show all work and formulas
