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An energy company is testing two shale formations for gas. The probabilty that site A has...

An energy company is testing two shale formations for gas. The probabilty that site A has gas is 60% the probabilty that both site A and B have gas is 15%.

a-Calculate the probability that at least one site has gas.

b-Caculate P(A given B)

c- Are events A and B mutually exclusive, independent, both or neither? explain why and show mathematically.

Math   Statistics-And-Probability   
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