anonymous
  • anonymous
A message center recives calls from 6pm until 6am .typicaslly 50% of the calls berween 6pm and 9 pm :25% of the calls come in between 9pm and midnight : 20%of the calls come in between midnight and 3 am and 5 % of the calls come in beteween 3amand 6 am What is the probability that a call will come in between 6pm and midnight
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@DarrenMadx
anonymous
  • anonymous
@EXOEXOEXO
EXOEXOEXO
  • EXOEXOEXO
so the total is 100%

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EXOEXOEXO
  • EXOEXOEXO
then you find out the total percent of calls received between 6pm and midnight
jennithemeani
  • jennithemeani
50% of the call come in between 6pm-9pm and 20 between 9 and midnight so add them 50%+20%=70%
EXOEXOEXO
  • EXOEXOEXO
the total percent of calls between 6pm to midnight over the total percent of calls received between 6pm to 6am is the probability that a call will come in between 6pm and midnight
anonymous
  • anonymous
so its 100%
anonymous
  • anonymous
@EXOEXOEXO
jennithemeani
  • jennithemeani
No it is not 100% because some of the calls do not take place during 6pm-midnight
anonymous
  • anonymous
so its 70%
jennithemeani
  • jennithemeani
Yes :)
jennithemeani
  • jennithemeani
Do you understand why?

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