A restaurant serves 8 fish entrees, 12 beef and 10 poultry. If customers select from these entrees randomly, what is the expected number of fish entrees ordered by the next four customers?

Question

anonymous · Answer

There are 8 fish entrees--so the expected number of fish entrees ordered by the next 4 customers is  960?

anonymous · Answer

...doesn't make sense

campbell_st · Answer

ok.. a little probability 

so P(fish) = 8/30 

P(fish, fish, fish , fish) = 8/30 x 8/30 x 8/30 x 8/30

anonymous · Answer

Okay, that makes more sense. Thank you