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Suppose that, out of a total of 572 full-service restaurants in Vermont, the number of seats per restaurant is normally distributed with mean µ=65.7 and a standard deviation σ=20.5
The Vermont tourism board selects a simple random sample of 50 full-service restaurants located within the state and determines the mean number of seats per restaurant for sample.
What is the standard deviation of the sampling distribution of the sample mean?
There is a .25 probability that the sample mean is less than __________.
Quality control engineer has been checking output by almost continuous sampling as abnormal condition began. Determine the probability that in sample of 10 pieces.
the age distribution of students at a community college is given below. age years number of students f under 21 2065
Using an alpha of .05, what can you conclude about homogeneity of variance from the output? Word process your responses on the SPSS output pages.
A company manufacturers batteries in batches of 18 and there is a 3% rate of defects. Find the standard deviation for the number of defects per batch.
A fair coin was flipped three times and landed heads three times. What is the probability of a head on the next toss?
1. a poll found that in a random sample of 1000 american adults 720 indicated that they oppose the reinstatement of a
What is the probability that the mean weight for a sample of 40 trout exceeds 405.5 grams?
Prove that if R is commutative ring and N=(a1,a2,..am) where each ai is a nilpotent element, then N is a nilpotent ideal, i.e N^n=0 for some positive integer n.
explain what is wrong with each of the followinga. you can use a significance test to evaluate the hypothesis hophat0.6
the wall street journal conducted a study of basketball spending at top colleges. a portion of the data showing the
currently available medication is -9.4 minutes with a standard deviation of 2.8 minutes. Construct a 95% CI for the mean difference in times between the experimental and currently available medication.
Develop hypothesis, conduct analyses as you deem necessary, and prepare a page report of your findings. Papers will be evaluated in terms of their accuracy of analysis and interpretation, completeness, and quality of writing.
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