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insens350 [35]
3 years ago
6

At a certain company, the annual winter party is always held on the second of Friday of December. What is the latest possible da

te for the party
Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer:

The latest possible date is December, 14th.

Step-by-step explanation:

Notice that the second Friday of December is n+7, where n is the date for the first Friday of December. So, the latest the first Friday, the latest the second. As the weeks have seven days, the first Friday will be between 1st and 7th of each month. So, the latest first Friday will be 7th. Therefore, the latest second Friday will be 14th.

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0.52763 is the probability that the time between the next two calls will be 54 seconds or​ less.

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We are given the following information in the question:

The time between telephone calls to a cable television service call center follows an exponential distribution with a mean of 1.2 minutes.

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P( x \leq 0.9)\\= 1 - e^{\frac{\frac{-54}{60}}{1.2}} = 0.52763

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0.19285 is the probability that the time between the next two calls will be greater than 118.5 ​seconds.

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