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1. If a constant release of a gaseous low-level radioactive isotope from a medical facility is allowed, what would be the acceptable release rate in a year's period (in rems per hour) given the data below:
a) Acceptable annual extra individual risk imposed by this release may not exceed 1 fatality in 1,000,000b) Population density around the facility is 15,000 per square milec) A radius of 1 mile around the release site is considered to be affected.
The resulting equation for the line of best fit is given below, with x being observed for values between 10 and 200. If a production run was scheduled to produce 80 units, what would you predict the cost per unit to be in dollars?
Write introduction to STATISTICAL PROCESS CONTROL and Explain the use of SPC tools used at D2D
In forestry there appears to be a correlation between the diameter of a tree at breast height and the totol height of the tree. For the following sample of ten white spruces first construct a scatter plot then find the correlation (r) between heig..
A fair coin was flipped three times and landed heads three times. What is the probability of a head on the next toss?
Use this poll result to give 70%, 80%, 90% and 99% confidence intervals for the proportion of all adults who feel this way. What do your results show about the effect of changing the confidence level? (Use Excel)
Find a 90% confidence interval on the difference in the mean number of production units for the two shifts.
suppose the prelliminary results were as follows group 1 n=310,p=32 and group 2 n=309,p=20 construct a 95% confidence interval for the difference in proportions of patients with new hair growth for the two groups using the given data.
Create a real-world situation or problem that could be addressed using an independent- or related-samples t test. Create this situation or problem, that clearly identify the independent and dependent variables to study
Suppose a random sample of size 36 is drawn from a population with a mean of 278. If 86% of the time the sample mean is less than 280, what is the population standard deviation?
Let random variable X represent number of heads on first toss and y total number of heads from three tosses. Sketch tree view with X as first level and Y/X as second level and determine conditional probability p(Y=2/X=1).
Supposing that both tests measure the same kind of ability, who has the higher score? If grading were done on a curve, what would their respective percentages be?
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.
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