1) A. The birth weights of newborns follow a distribution with a mean of 3.25 kg and standard deviation of 0.90 kg.

(i) Determine the mean and standard deviation of the sampling distribution, for a sample of 49 newborn babies.

(ii) If you randomly select 49 newborn babies, what is the probability that the mean for this sample is more than 3.5 kg?

B. 58% of the residents in City A population opted not to vote. If you randomly select 140 residents what is the probability that less than 56 of them opted not to vote? (6m) (Hint: change this to proportion)