Random error is: A. an outside influence that affects the true score in a consistent way. B. the extent to which a measure will
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Answer :
×
=
Step-by-step explanation:
P() = choosing yellow marble from paper bag =
=
P() = choosing yellow marble from cloth bag =
=
∵ Resultant outcome is dependent upon both the events and both events are independent from each other, so we can apply intersection rule [ P(A∩B)=P(A)×P(B) ] here
∴ Probability ( Both marbles are yellow) = P() × P(
) =
×