Question: QUESTION 20 The average demand for a certain hotel during Holiday Season is normally distributed with a mean of 150 rooms per day and a

QUESTION 20 The average demand for a certain hotel during Holiday Season is normally distributed with a mean of 150 rooms per day and a standard deviation of 10 rooms (per day). How many available rooms does this hotel need to have in order to ensure that all customers will be accommodated with at least 0.975 probability? O 150 160 O 170 O 180

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