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Randomly selected nonfatal occupational injuries and illnesses are categorized according to the day of the week that they first occurred, and the results are listed below. Use a 0.05 significance level to test the claim that such injuries and illnesses occur with equal frequency on the different days of the week. Show all work and justify your answer.
Day
Mon
Tue
Wed
Thu
Fri
Number
23
21
20
18
The loan requires a 10% down payment and 36 equal payments of $205.00. According to this information, what would be the finance charge on the loan? Show all work.
use the degree of confidence and sample data to construct a confidence interval population proportion p.
Find the probability of receiving a phone call during a long drive between 9:00 a.m. and 8:00 p.m. You may assume phone calls are equally likely at any time of the day.
A train traveling at a speed of 95 mi/h approaches an observer at a station and sounds a 525-Hz whistle. What frequency will be heard by the observer? Assume that the sound velocity in the air is 1090 ft/s.
find the distance from the point y=(9,9,0,0) to the subspace V
a plane is heading due west with an airspeed of 306 mph. A wind with a bearing 340 is blowing at 12 mph find the speed and true course of the plane (in bearings)
There are six sections of Math with a total enrollment of one hundred and ninety nine students, what is the smallest possible number of students in the section with the largest enrollment?
A laboratory tested 87 chicken eggs and found that the mean amount of cholesterol was 235 milligrams with milligrams. Construct a 95 percent confidence interval for the true mean cholesterol content, , of all such eggs.
Using law of cosines for solving the problem.
compute a 90% confidence interval for the mean serum cholesterol level of teenage males in this city. Assume that the sample was taken from a normal distribution. Round your confidence limits to 2 decimal places.
a fast food restaurant wants a special container to hold coffee. the restautrant wishes the container to quickly cool the coffee from 200 degrees to 130 degrees fahrenheit and keep the liquid between 110 degrees and 130 degrees as long as possible..
We are designing a computer graphic in which we zoom in on a cube. The volume V, surface area S, and side length z of the cube are all varying with respect to time. With this information, compute the following quantities using the steps described ..
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