Mathematics, 05.05.2020 23:42 krlx
Human Resource Consulting (HRC) surveyed a random sample of 66 Twin Cities construction companies to find information on the costs of their health care plans. One of the items being tracked is the annual deductible that employees must pay. The Minnesota Department of Labor reports that historically the mean deductible amount per employee is $498 with a standard deviation of $85. (Round z value to 2 decimal places and final answers to 4 decimal places. Leave no cells blank - be certain to enter '0' if required.)a. Compute the standard error of the sample mean for HRC. b. What is the chance HRC finds a sample mean between $477 and $527?c. Calculate the likelihood that the sample mean is between $492 and $512.d. What is the probability the sample mean is greater than $550?
Answers: 3
Mathematics, 21.06.2019 16:00
The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?
Answers: 1
Mathematics, 21.06.2019 19:30
According to the data set, where should the upper quartile line of the box plot be placed?
Answers: 1
Mathematics, 21.06.2019 19:30
Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
Answers: 1
Human Resource Consulting (HRC) surveyed a random sample of 66 Twin Cities construction companies to...
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