Q6. Let F be a class of subsets of such that (i) QE F () if A, B E F then ABEF. Show that F is a field. Q7. Let A1, A2,

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Q6 Let F Be A Class Of Subsets Of Such That I Qe F If A B E F Then Abef Show That F Is A Field Q7 Let A1 A2 1 (13.62 KiB) Viewed 79 times

Q6. Let F be a class of subsets of such that (i) QE F () if A, B E F then ABEF. Show that F is a field. Q7. Let A1, A2, A3, A4, As be indep. events with PA) = PA) = P(A3) = AA) - PAs) = 0.4. (a) Find the prob. of the occurrence of at least one of them. (b) Find the prob. of the occurrence of 2 of them.