lilmarie5147 lilmarie5147
  • 02-11-2018
  • Mathematics
contestada

Out of 60 days on 39 of those days she arived at work before 8:30 asm what is the probability she will arrive at work after 8:30 am

Respuesta :

chisnau chisnau
  • 11-11-2018

Out of 60 days a person arrives before 8.30 am for = 39 days

So remaining days left are = [tex]60-39=21[/tex] days

So probability that a person will arrive after 8.30 am is = [tex]\frac{21}{60}[/tex]

or [tex]\frac{7}{20}[/tex]

Hence, probability is [tex]\frac{7}{20}[/tex]

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