Find probability that eight words on test student knows
The student studying for the vocabulary test knows meanings of 16 words from the list of 24 words. If test has 10 words from study list, find probability that at least 8 of words on test are words that student knows?
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Find Z-score related with 95.5% level of confidence? Find standard deviation of sampling distribution oXbar, for samples of size n=900?
Find suggested weight level and lifting index for lifting job. Also find problematic components of task and suggest redesign solutions for problem.
The following data lists the average monthly snowfall for the January in 15 cities around the US:
A set of 50 data values has the mean of 16 and variance of 4. Determine the standard score (z) for a data value = 12.
Suppose that the population of heights of female college students is approximately normally distributed with the mean m of 68.42 inches and standard deviation s of 6.34 inches. A random sample of the 73 heights is obtained. Describe all work.
Explain the relationship between the standard error (of the mean) and maximum error.
For each and every of those variables, what level of measurement (nominal, ordinal, interval, or ratio) was used to obtain data from these variables?
Prove that numbers in nth horizontal base of the triangle are reciprocals of numbers in corresponding base of arithmetic triangle divided by n+1, which is, if (n r] denotes rth entry in nth base of harmonic triangle.
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