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T and M are events such that n(U)=30, n(M)=17, n(T)=10, n((TUM)')=5 Draw a Venn diagram to display this information Hence find P(T and M) find P((T and not M)given that M)

I have got 18 red , 12 green, 5 blue and 5 yellow balls in the bag. What is the probability that I pick excatly 2 green when I pick 4 at random ? What is the probabily that none are yellow after I pick 4 at random ? Thanks.

I am lost!! Find the inverse function of f(x)=log2(4x) Thanks

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