Suppose events a, b,c, d are mutually independent. show that events ab and cd are independent. justify each step from the definition of mutual independence.

hi, i am not sure about this one but i think its d,

hope this !

susie has 7 apples

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,