Event b is dependent on event a and event a occurs before event b. which expression is equal to the probability of event a?
a. p(bna)
p(b)
b. p(boa)
p(bia)
p(anb)
p(ab)
d. pab)xp(b|a)
e. pab)xp(b)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60