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PtichkaEL [24]
3 years ago
6

The time it takes for a ferry to reach a summer resort from the mainland is Normally distributed with mean 2 hours and standard

deviation 12 minutes. The advertised duration of the trip is 2 hours and 15 minutes. The company operating the ferry would like to increase its operational efficiency by reducing the standard deviation so that they are on time 95% of the time. How much do they have to reduce the standard deviation
Mathematics
1 answer:
m_a_m_a [10]3 years ago
6 0

Answer:

2.88 minutes

Step-by-step explanation:

Solution can be found in attachment.

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