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A company with 80 employees has 55 with a PPO insurance plan and 25 with an HMO insurance plan. A sample of 15 empoyees is

A company with 80 employees has 55 with a PPO insurance plan and 25 with an HMO insurance plan. A sample of 15 empoyees is randomly selected from the company. Find the probability that the sample consists of 9 employees with a PPO plan and 6 employees with an HMO plan.

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