C) the region should not be under lock down because the virus contracted people are not more than 3% .
Answer - NO
d)
1) The sample are drawn by simple random method.
2) Sample size is no more than 10% of the population size.
3) let , np = 1000(0.032) =32
n(1-p ) = 1000*(1-0.32) = 968
So, both np and n(1-p) are atleast 10.
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