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Select all the correct answers below P(A|B)=P(A)

/in /by

Select all the correct answers below P(A|B)=P(A) if A and B are independents
P(A and B)=P(A)+P(b)-P(A, or B), for any events A, B.
P(A|B)=P(A and B)/P(B), for any events A, B.
P(A and B)=P(A)*P(B), for any events A, B.
P(A or B)=P(A)+P(B)-P(A and B), for any events A, B.

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2
2. The data, x1, x2, mare random _s_r_np_l_e_§ taken from NW,“ ) where . . 2
H ’“S the papul‘mon meanv and U is the population variance. Select all correct answers from the following: is an estimate of the parameter #-
l n _
S – — (xi _ .702
b. V n ‘1 r= is an estimate of the parameter 0- s-
c. J; is the standard deviation of x. sis given in (b). S d. n ‘1 is the standard deviation of E- s is given in (b).

 
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