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**URGENT : Probability question help me please !!**

For customers purchasing a full set of tries at a particular tries store, the events :

A = tries purchsed were made in United States

B = purchaser has tries balanced immediately

C = pruchas 1 er requests font-end alignment

along with A', B' and C'

Assume the following unconditional and conditional prpbabilities:

p(A)=0.75

p(B|A) 0.9

p(B|A')=0.8

p(C|AB)=0.8

P(C|AB')=0.6

P(C|A' B)=0.7

P(C| A ' B ' ) = 0.3

a ) constract a tree diagram consisting of first, second and third -generation branches and place an event label and apporiate probabilty next to each branch.

b) compute P ( A B C )

c ) compute P ( B C )

d ) P (C)

e) compute P (A |B C ).the probability of a purchasing of US. tries given that both balancing and an aligment were requested

Thank you