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Question: (a) Samples of 100 patients are being drawn randomly from a clinical trial. If it is estimated that σ = 2.4 and x¯ = 106, estimate the population mean and confidence interval for a 95% confidence level.
(b) Suppose in (a) that the sample size has not been set, but n must be chosen to have a 99% confidence level with an error no more than 0.1. Estimate the sample size that should be used.
(a) After how many seconds will the object be 240 feet from the ground? (b) When does the object strike the ground? (Use ascending order)
As a safety engineer for FrontRunner, you have given the operators strict instructions that they should not exceed 70 mph on a particular section of the track.
Problem Set of Probability
The dimensions of a rectangle of such that its length is 3in more then its width. If the length were doubled and the width were decreased by 1, the area would be increased by 176. What are the width and the length of the rectangle?
According to anairline, flights on a certain route are on time 90% of the time. Suppose 15 flights are randomly selected and the number of on time flights is recorded. Use technology to find the probabilities.
Use the elimination method to find a general solution for the given linear system, where differentiation is with respect to t. x'+2y=0 and x'-y'=0
Thirty workers complete a project in 20 days. For the project to be completed in 10 days, how many additional workers are needed if each new worker is only half as productive as the original group?
on march 11th jangles corp received a 20000 invoice dated march 8th cash discount terms were 410 n030. on march 15
In this case, what is the optimal mix of frames that Ryan should produce, and what is the profit associated with this mix?
Approximate f by a taylor polynomial with degree n at the number a, and use taylors inequality to estimate the accuracy of the approximation f(x)=T(x) when x lies in the given interval
the length and width of a rectangular prism are 5.5cm and 3cm.the heigth of the prism is 6.75cm. find the exact value of the surface area of the prism in square centimeters.
The one sure thing about financial projections is that they will be wrong-perhaps by only a little, or perhaps by a lot. But managers must still make decisions. In fact, making no decision is really a type of decision-a choice to do nothing.
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