At the Campus Coffee Nook, 60% of the customers order regular coffee and 40% order flavored coffee. Of those who order regular coffee, 40% drink it black and 60% use sugar or cream. Of those who drink flavored coffee, 15% drink it black and 85% use sugar or cream.
P(black coffee and regular) =
P(black coffee) =
P(flavored coffee | cream or sugar)=

Question

At the Campus Coffee Nook, 60% of the customers order regular coffee and 40% order flavored coffee. Of those who order regular coffee, 40% drink it black and 60% use sugar or cream. Of those who drink flavored coffee, 15% drink it black and 85% use sugar or cream. 
P(black coffee and regular) =  
P(black coffee) = 
P(flavored coffee | cream or sugar)=

anonymous · Answer

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anonymous · Answer

I don't know how to set the formula's for the three questions above

anonymous · Answer

@kropot72 Help please

kropot72 · Answer

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P(black coffee and regular) = multiply the two values of probability together.