I don t know the options bc i m using the largest one xd:
Answer:
(A) Mean = $24,500, Standard deviation = 12,875/ √40
Explanation:
Because the sample size is large (n = 40 > 30) the sampling distribution of the sample mean sales price is approximately normal. The mean is
μx =μ=24,500 and the standard deviation is the standard deviation divided the square root of n
Answer:
If the test result is negative, it is reasonable proof that heme (an ingredient in all blood) is absent in the sample.
