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anyar
anyar
16.07.2019 • 
Mathematics

Amessage center receives calls from 6 p.m. until 6 a.m. typically, 50% of the calls come in between 6 p.m. and 9 p.m.; 25% of the calls come in between 9 p.m. and midnight; 20% of the calls come in between midnight and 3 a.m.; and 5% of the calls come in between 3 a.m. and 6 a.m. what is the probability that a call will come in between 6 p.m. and midnight? question 5 options: 25% 50% 55% 75%

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