according to the national vital statistics report, there were 3,855,500 babies born in the us in 2017. find the minimum samples size required to be 90% certain that the sample mean weight of newborn babies is within 100 grams of the true mean when the population standard deviation is 600 grams.

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000