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1. From a random sample of 200 voters it was found that 110 were in favor of a particular piece of legislation. Is opinion equally divided on this legislative issue? Use α = 0.05. What is the p-value? What sampling assumptions are being made?
2. A manufacturer of small machine parts claims that at least 98% of all parts shipped to ACE Industries conform to specifications. In a sample of 250 parts, it was found that 22 did not conform to specifications. For α = 0.01, should we reject the manufacturers claim?
according to an irs study it takes a mean time of 330 minutes for taxpayers to prepare copy and electronically transfer
suppose you have a normal distribution of values with a mean of 70 and a standard deviation of 4.5. find the
1.suppose we have a loaded die which gives the outcomes 1 through 6 according to the probability distributionnbspnote
In a completely randomized experimental design, 18 experimental units were used for the first treatment, 10 experimental units were used for the second treatent, and 15 experimental unites were used for the first treatment.
Using the appropriate commands in Excel, find the value of the test statistic. Assume that σA2 = 4.6 and σB2 = 5.3. What is the p-value
Probability distribution described by the following density curve and The expected value of the sum of the weights of the two oranges, in pounds
From the given polynomials, identify the polynomials of degree one. I know that I have to use the substitution methode and the elimination. I am not sure if I applied the correct system.
A realtor took a random sample of records of sales of homes from the files maintained by the Albuquerque Board of Realtors.
Was the sample appropriate for this study - what are some possible limitations to this study and discuss how you would conduct a follow up study to this one.
test hypothesis 9.5708310.558529.17 n 9.575083 10.55852 9.17 29.303603 k number of samples 3 therefore numerator
1. in a recent survey of 4513 college undergraduates 20 reported having fallen asleep in class. to test this
What is the probability that it will crash at least two times in a given semester? What is the probability that it will not crash at all in a given semester?
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