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Dole Pineapple, Inc., is concerned that the 16-ounce can of sliced pineapple is being overfilled. Assume the standard deviation of the process is .03 ounces. The quality-control department took a random sample of 50 cans and found that the arithmetic mean weight was 16.05 ounces. At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p-value.
The p-value of the test is closest to:
Use suitable one or two sided test for null hypothesis of no difference in them then changes rating between groups at 0.10 significance level.
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
Compute the sample variance and the sample standard deviation for these data (to 2 decimals).
What is the probability that the cereal would be high fiber? In other words, what is P (high fiber)?
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Determine the probability that a randomly selected teacher earns more than $525 per week?
Below is a normal plot of residuals from a regression. Does the plot indicate any problems with the assumption that the residuals are Normally distributed
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