Question
. In the question below, two statements (I) and (II)
are given. These statements may be either independent causes or may be effects of independent causes or a common cause. One of these statements may be the effect of the other statement. Read both the statements and decide which of the following answer choices correctly depicts the relationship between these two statements. I. Authorities in several coastal cities have issued evacuation notices and shut down local transport services. II. The meteorological department has issued a red alert warning for an approaching cyclonic storm.Solution
Statement II reports a red alert due to an approaching cyclone. Statement I describes evacuation measures and transport shutdowns by authorities — which are precautionary actions likely taken because of the cyclone warning. Hence, Statement II (cyclone alert) is the cause, and Statement I (evacuation and shutdown) is the effect.
A and B constitute a random sample of size 2 from normal population with the mean µ and variance α2, find the efficiency of (A+2B)/3
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Â
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