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Streams. In performing research for an ecology class, students at a college in upstate New York collect data on streams each year.
They record a number of biological, chemical, and physical variables, including the stream name, the substrate of the stream (limestone, shale, or mixed), the acidity of the water (pH), the temperature (°C), and the BCI (a numerical measure of biological diversity).
question the scores on an exam are normally distributed with micro 30 and s 7. show your working.a what percent of
Find the probability P(r) of r successes ranging from 0 to 4. Make a histogram for the probability distribution of part (a). What is the expected number of parolees in Alice's group who will not be repeat offenders? What is the standard deviation?
Let the following all-integer linear program: Solve LP problem and recognize the feasible region, corner point solutions, and optimal solution.
when performing a one-way anova the error sum of squares can be obtained by subtracting the treatment sum of squares
For the data, F=0.46 and the P-value equals 0.63. What can you conclude? d. What were the assumptions on which ANOVA was based? Which assumption is the most important?
The standard deviations were 5.72% and 5.10%, respectively.5 Conduct a test for equality of means using α = 0.01 and construct a 99% confidence interval for difference in means.
consider a small self-service car wash that has cars arriving with exponentially distributed inter arrival times at a
You're interested in determining the volume of sales dollars necessary for the coming year to reach the break-even point. You've decided to break down the sales for the club into four categories, they are as follows:
an auditor takes a random sample of size n110 from a large population. the population standard deviation is not known
twelve plots of land are divided randomly into 3 groups. fertilizers a b and c are applied to the three groups
q1.if n 10 and p 0.70 then calculate the mean standard deviation and variance of the binomial distribution.q2.suppose
What then is the probability that a shaft will be acceptable? Suppose that the diameter of the shaft is a random variable that is Normally distributed.
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