Quiz4-2016FS-Key.pdf - ’l MD A barber shop averages 6...

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Unformatted text preview: ’l MD A barber shop averages 6 customers per hour between 12:00pm and 5:00pm. Let X be the number of customers arriving between 2:00pm and 3:30pm. 1. What is the distribution of X? That is, write down the name of the distribution and also give the rim/mm WWW/m ZWU 3o ./\/ Fm (hléx [,9 :6?) 2. Suppose the number of customers arriving between 2:00pm and 3:30pm is recorded over a 7-day period. Assume numbers of customers on different days are independent. Let Y be the number of days with exactly 6 customers. If we know from previous calculation that chance of exactly 6 customers on a day is around 9%. What is the distribution of Y? That is, write down name of the distribution and give the param met rvalues. MUM/WW (9W97‘DW (WWI 74%3 Quiz 4 Name (Villa!) :1 it WWW"? ...
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