Seudónimo Seudónimo
  • 15-06-2020
  • Mathematics
contestada

Probability trees. Can someone tell me how im meant to set this one out, and I can work the rest out from there

Probability trees Can someone tell me how im meant to set this one out and I can work the rest out from there class=

Respuesta :

tempthrowawayac
tempthrowawayac tempthrowawayac
  • 15-06-2020

Answer:

Step-by-step explanation:

Ver imagen tempthrowawayac
Answer Link
wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 15-06-2020

Answer:

.8 = P (laura)    

Step-by-step explanation:

Sally passes is .7

both passing is .56

P(sally and laura passing) = P(sally) * P(laura)

                  .56                   = .7 *  P(laura)

Divide each side by .7

.56/.7 =            .7 *  P(laura)/ .7

.8 = P (laura)            

Answer Link

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