Question 1165737
a. It is 55*54*53*52*51=417,451,320

b.(5/55)(4/54)(3/53)(2/52)(1/51)=0.000000287 (or 2.87 x 10^(-7)) or 1 in 3,478,761
for winning the jackpot, it is the above probability *1/42, the probability of drawing the red Powerball.

c. this is 0.000000006844 (6.8 x 10^(-9)) or 1 in 146,107,962