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9. A potato chip manufacturer claims that the weights of its potato chips are normally distributed...
A manufacturer makes bags of popcorn and bags of potato chips. The average weight of a...
A manufacturer makes bags of popcorn and bags of potato chips. The average weight of a bag of popcorn is supposed to be 3.03 ounces with an allowable deviation of 0.03 ounces. The average weight of a bag of potato chips is supposed to be 5.06 ounces with an allowable deviation of 0.04 ounces. A factory worker randomly selects a bag of popcorn from the assembly line and it has a weight of 3.08 ounces. Then the worker randomly selects...
A consumer believes that a certain potato chip maker is putting fewer chips in their regular...
A consumer believes that a certain potato chip maker is putting fewer chips in their regular bags of chips than the advertised amount of 12 ounces. In order to test the null hypothesis that the average chip weight is 12 ounces per bag vs. the alternative hypothesis that the average chip weight is less than 12 ounces per bag, a random sample of 37 bags were selected. The resulting data produced a p - value of 0.098. (a) At a...
The distribution of weights on 9-ounce bags of potato chips is approximately normal with a mean o...
The distribution of weights on 9-ounce bags of potato chips is approximately normal with a mean of 9.12 ounces and a standard deviation of 0.15 ounce. What is the range of weights for 95% of the bags?
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 425425 gram setting. It is believed that the machine is underfilling the bags. A 1616 bag sample had a mean of 420420 grams with a variance of 256256. A level of significance of 0.0250.025 will be used. Assume the population distribution is approximately normal. Determine the decision rule for rejecting the null hypothesis. Round your answer to three decimal places. Reject H0...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 444 gram setting. It is believed that the machine is underfilling the bags. A 9 bag sample had a mean of 441 grams with a standard deviation of 25 . A level of significance of 0.025 will be used. Assume the population distribution is approximately normal. State the null and alternative hypotheses. H0 = Ha =
A potato chip company makes potato chips in two flavors, Regular and Salt & Vinegar. Riley...
A potato chip company makes potato chips in two flavors, Regular and Salt & Vinegar. Riley is a production manager for the company who is trying to ensure that each bag contains about the same number of chips, regardless of flavor. He collects two random samples of 10 bags of chips of each flavor and counts the number of chips in each bag. Assume that the population variances of the number of chips per bag for both flavors are equal...
Small Sample Mean Problem. The maker of potato chips uses an automated packaging machine to pack...
Small Sample Mean Problem. The maker of potato chips uses an
automated packaging machine to pack its 20-ounce bag of chips. At
the end of every shift 18 bags are selected at random and tested to
see if the equipment needs to be readjusted. After one shift, a
sample of 18 bags yielded the following data. mean = 20.45 s = .80
n = 18.
If we were to conduct a test to see if the sample estimate is
different...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 446 gram setting. it is believed that the machine is underfilling the bags. A 33 bag sample had a mean of 440 grams. Assume the population variance is known to be 676. Is there sufficient evidence at the 0.I level that the bags are underfilled? Step 1 of 6: State the null and alternative hypotheses chips would like to know whether its...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 414414 gram setting. It is believed that the machine is underfilling the bags. A 1616 bag sample had a mean of 405405 grams with a variance of 625625. A level of significance of 0.0250.025 will be used. Assume the population distribution is approximately normal. Is there sufficient evidence to support the claim that the bags are underfilled?
A manufacturer of potato chips would like to know whether its bag filling machine works correctly...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 404.0 gram setting. It is believed that the machine is underfilling the bags. A 47 bag sample had a mean of 403.0 grams. A level of significance of 0.1 will be used. Determine the decision rule. Assume the variance is known to be 729.00 Enter the decision rule. QUESTION: Reject H0 if z<
Small Sample Mean Problem. The maker of potato chips uses an
automated packaging machine to pack its 20-ounce bag of chips. At
the end of every shift 18 bags are selected at random and tested to
see if the equipment needs to be readjusted. After one shift, a
sample of 18 bags yielded the following data. mean = 20.45 s = .80
n = 18.
If we were to conduct a test to see if the sample estimate is
different...
A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 446 gram setting. it is believed that the machine is underfilling the bags. A 33 bag sample had a mean of 440 grams. Assume the population variance is known to be 676. Is there sufficient evidence at the 0.I level that the bags are underfilled? Step 1 of 6: State the null and alternative hypotheses chips would like to know whether its...
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