Probability tree. Weighing produce problem. A supermarket has three employees who package and weigh produce. Employee A records the correct weight 98% of the time. Employees B and C record the correct weight 97% and 95% of the time, respectively. Employees A, B, and C handle 40%, 40% and 20% of the packaging, respectively. A customer complains about the incorrect weight recorded on a package he has purchased. What is the probability that the package was weighed by employee C?

Q: What is the probability that she will roll a number less than 3

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A: Given Tree :

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A:

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Q: Part b and c please

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