Question

what is the formula for probability of not a and b?

Answer 1

c

Answer 2

is there a picture to this @PJ754?vWhat are the options? What do you think, any ideas?

@TDSkitz thanks for making me laugh with the dog but I don't think you helped the asker properly , I see you were trying to make people laugh with jokes but the asker needs help more than anything right now :)

Answer 3

just trying to solve:

Answer 4

Probability of A not B
= P(A - B)
= P(A) - P(A∩B) ... [This will be clear if you draw Venn disgram]
= (0.70) - (0.05)
= 0.65.

Does this make any sense? sorry if this confuses you!

Answer 5

thanks, I'll try that

Answer 6

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