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A survey of 800 Sydney residents resulted in the following crosstabulation regarding their major form of transport to work and whether or not they find public transport convenient.
Public Transport Ferry Bus Train TotalConvenient(Y/N)
Yes 70 84 126 280
No 182 208 130 520
Total 252 292 256 800
a) What percentage of the Sydney residents have "Bus" as a major form of transport?
b) What is the probability of selecting a Sydney resident who does NOT find public transport convenient?
c) Among the Sydney residents who find public transport convenient, what percentage of residents indicated "Train"?
d) Assuming that a Sydney resident finds public transport convenient, what is the probability that the resident's major form of transport is "Ferry"?
e) A randomly selected Sydney resident turns out to be one whose major form of transport is the Bus. Compute the probability that the Sydney resident does NOT find public transport convenient.
Note: Please provide appropriate formulas to get the answer in word format.
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