We can work on Weights of 50 babies at birth

The project is broken into two parts. You will complete Part I in Week 6 and Part II in Week 7. In Week 6,Confidence Intervals will be explored and in Week 7 Hypothesis testing will be explored. A confidence interval is a defined range of values such that there is a specified probability that the […]

We can work on 1.) Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 73 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean μ = 73 tons

1.) Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 73 tons of coal into each car. The actual weights of coal loaded into each car are normally distributed, with mean μ = 73 tons and standard deviation σ = 1.1 ton. (a) […]