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Homework answers / question archive / A survey determines that 62% of the attendees at a conference have attended a similar conference in the last year

attended a similar conference in the last year. Suppose that 20 attendees are randomly selected.

Show calculator commands and round to three decimal places.

a- Find the probability that 6 or fewer of these attendees have attended a similar conference in the last year.

b- Find the probability that between 8 and 14 of these attendees have attended a similar conference in the last year.

c- Find the probability that less than 6 of these attendees have attended a similar conference in the last year.

d- Find the probability that no less than 12 of these attendees have attended a similar conference in the last year.