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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 433 gram setting. It is believed that the machine is underfilling the bags. A 26 bag sample had a mean of 427 grams with a standard deviation of 15. Assume the population is normally distributed. A level of significance of 0.05 will be used. Find the P-value of the test statistic.
chocolate-coated sugar fun blast cereal is filled in boxes by weight. the weight of the boxes is approximately normally
a study on the manufacturer's claim for the demand of the toy colors
Compute mean, median, mode, first and third quartile and compute the variance, standard deviation, range, interquartile range, coefficient of variation, standard error of the mean and Z scores.
The null hypothesis is the alternative is Use the given sample data to find out the P-value for the hypothesis test. Provide an interpretation of the P-value.
write a brief note to describe the following graphs including its useful to a particular variable or data.a bar graphb
some jobs submitted for processing on a particular cpu have fatal programming errors while others do not. suppose that
A scatter plot and regression line can be used for all of the following EXCEPT
an investor wants to compare the risks associated with two different stocks. one way to measure the risk of a given
Twenty-five samples of size 4 resulted in statistics of x=30.0 minutes and R = 2.5 minutes for the company to completely clean a rug. Compute control limits for x- and R-charts and estimate the standard deviation of the process.
Determine a point estimate of population mean. Determine the 99% confidence interval of true mean weight of the minivans.
If you buy a box of Wisk, the probability of getting a scoop is 97%. If you buy 9 boxes over the next several months, what is the probability of missing two scoops?
Lotto, a lottery game conducted by the Ohio State Lottery Commission, consisted of selecting six numbers from the 42 numbers 1, 2, ...,41, 42.
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