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The owner of a car wash service, offers three types of packages and feels demand hasthe following discrete probability distribution: X- P(X) 11- 0.5 32-0.3

The owner of a car wash service, offers three types of packages and feels demand hasthe following discrete probability distribution:

X- P(X)

11- 0.5

32-0.3

65-0.2

What is the value of the standard deviation for the car wash service packages ?

Please give your answer to two decimal places.

Do NOT include units in your answer.

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