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A lab technician is tested for her consistency by making mutiple measurements of the cholesterol level in one blood sample. The targhet precision is a standard deviation of 1.1 mg/dl or less. If 16 measurements are taken and the standard deviation is 2.1 mg/dl is there enough evidence to support the claim that her standard deviation is greatear than the target at a = 0.01?possible answers:
a) yes, since the X² test value 54.669 is greater than the criticval value 32w.000.
b) no, since the X² test value 28.64 is less than the critivcal value 30.576
c) yes, since the X² test value 54.669 is greater than the critical value 30.578
d) no since the X² test value 28.64 is less than the critical value 32.0900
Determine the largest plausible average balance for the accounts of those using her managed fund in which you could have 90% confidence.
Find the probability that the first marble drawn was blue given that the second marble drawn was red and what is the range space RY of this new random variable Y and give the probability distribution of Y in tabular form
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Construct a 95 percent confidence interval for the true mean.
In a random sample of 80 items, the defect rate is 5% but the manager claims that this is only a sample fluctuation and production is not really out of control. At the 0.01 level of significance, does the data provide sufficient evidence that the ..
Compute the coefficient of determination for bone loss and women's age and describe what this statistic means.
Choose one of the options below that explains what information is provided in the interval that is not in the significance test results:
A certain state lottery awards 418 prizes; 28-$200 prizes, 120-$25 prizes and 270-$20 prizes, for every 10,000 tickets sold.
Computing the mean value for the given data - What is the new mean for the class and frequency distribution graph, what type of graph should be used
Use this information to determine the empirical probability that the next bird to visit the feeding station will be a dove.
The number of traffic accidents that occurs on particular stretch roas during a month follows a Poisson distribution with mean of 8.5. Find the probability of observing exactly three accidents of this stretch of road next month.
Is the school district correct in assuming the girls are equal in performance to boys. They are 95% sure their assumption is correct.
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