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In a certain large forest, 25% of all the beech trees show damage by a certain parasitic fungus. A random sample of 20 beech trees are selected, then:
a) What is the probability that exactly half of the beech trees in the sample will be so damaged?
b) What is the probability that two or more beech trees in the sample will be so damaged?
c) What number of damaged beech trees will have the greatest probability of occuring?
a company is develoing a new golf ball. the overall distance is approximately normally distributed and has a standard
In the boom years of the late 1990s, it was often said that rapidly increasing stock prices were responsible for much of the rapid growth of real GDP. Explain how this could be true, using aggregate demand and aggregate supply analysis
the spell-checker in a desktop publishing application may not catch all misspellings e.g. their there or correctly
1) Suppose that 25 examinees are picked at random. Let X be the mean GMAT score of the 25 examinees selected. Find the mean and standard deviation of the sample mean GMAT score X. 2) Find the probability that the mean GMAT score X of the sample of ..
A population of scores forms a normal distribution with a mean of 40 and a standard deviation of 12. What is the probability of randomly selecting a score less than x=34?
fitting of simple linear regression equation.given the student population for a school district over the past few years
A consumer products company surveys 30 shoppers at a mall and asks each one if he/she likes the packaging of a new soap product. The results of the survey are:
consider an experiment where we study the ability of snails tohold firmly onto a smooth substrate. we would like to
in a production process a product goes through one of the assembly lines a b or c and then goes through one of the
what are the appropriate h0 and ha for each of the following research studies? in addition note whether the hypothesis
Each of these systems functions, independently of the others, with probability 0.98. As long as at least one of these systems is functioning, this shuttle Component functions successfully.
A computer company wants to test the efficiency of its new programmable calculator. This problem related to Basic Statistics and it discuss about nested model using ANOVA
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