23:07 14 % 8. Does listening to soothing music help employees concentrate better

Question

23:07 14 % 8. Does listening to soothing music help employees concentrate better? A psychologist studied the number of puzzles employees of a large business were able to solve in a five-minute period while listening a music. Let X be the number of puzzles completed successfully by a randomly selected employee. The pathologist sound that X had the following probability distribution Puzzles completed Probability 0 2 3 4 5 What is the expected number of puzzles completed by an employee? (Use 3 decimals) 0.09 0.1 0.4 0.25 0.14 0.02

Explanation / Answer

23:07 14 % 8. Does listening to soothing music help employees concentrate better? A psychologist studied the number of puzzles employees of a large business were able to solve in a five-minute period while listening a music. Let X be the number of puzzles completed successfully by a randomly selected employee. The pathologist sound that X had the following probability distribution Puzzles completed Probability 0 2 3 4 5 What is the expected number of puzzles completed by an employee? (Use 3 decimals) 0.09 0.1 0.4 0.25 0.14 0.02

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