Mathematics, 12.08.2019 19:30, Erinkim7608
2. the human relations department of electronics, inc. would like to include a dental plan as part of the company’s benefit package. first the company would need to know how much a typical employee and family spent per year on dental expenses. a random sample of 400 employees revealed the average amount spent was $1,700 with a population standard deviation of $500. a. what is the point estimate and the standard error of the mean for dental expenses? explain. b. find the 92% confidence interval estimate. c. what sample size would be appropriate, if the department wanted to be 99% confident with an error of no more than $50.00.
Answers: 1
Mathematics, 21.06.2019 17:00, valeriekbueno
100 points, hi, i’m not sure how to get the equation from the graph and table.
Answers: 2
Mathematics, 21.06.2019 17:30, lizzy2951
Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
Answers: 2
2. the human relations department of electronics, inc. would like to include a dental plan as part o...
English, 31.07.2020 02:01