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On average 4 0 customer groups restaurant in one hour. Fifty per cent of groups have a group size of one ( so , in
On average customer groups restaurant in one hour. Fifty per cent of groups have
a group size of one so in fact, they are single Onefourth of the groups are couples. The other onefourth have
a group size of
a Find the expected number of customers coming in minutes.
b Find the probability that a couple comes before a single person.
c Find the probability th come to a coffeeat no couple comes in minutes.
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