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According to statistics, it is shown that 85% of the products of the COMP company meet the requirements
of the clients. Assume this factory’s productivity is 20 pieces per hour. What is the probability that there will be 8 or 9 satisfactory products in 30 minutes?
(a) 61.33%
(b) 62.33%
(c) 63.33%
(d) 64.33%