A survey of 500 top Canadian companies reported what the companies\' hiring outl

Question

A survey of 500 top Canadian companies reported what the companies' hiring outlook was for the next 18 months as well as the general company outlook for the economy over the same period of time.

economy outlook        add jobs hiring outlook no change cut jobs

favorable            100            50                25

unfavourable           50           150               60  

unknown           15           10               40

Given that a randomly selected company plans to add jobs during the next 18 months, what is the probability that they have a favourable outlook for the economy?

325/500

165/500

175/500

235/500

None of the choices are correct

Explanation / Answer

The Answer is fifth that none of the above.

its Conditional probability problem

P(a favourable outlook for the economy | add jobs) = P(a favourable outlook for the economy and add jobs) / P(add jobs)

=(100/500)/(165/500)=100/165

so its not in the option.

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