Mathematics

Mathematics, 06.12.2019 02:31, amunnik04

Asimple random sample of 100 bags of tortilla chips produced at plant a is selected every hour for quality control. in the current sample, 18 bags had more chips (measured in weight) than the labeled quantity. this sample information is being compared to data collected at plant b. in the current sample of 100 bags of chips from plant b, 12 bags had more chips than the labeled quantity. what is the relative risk that a bag of tortilla chips produced at plant a had more chips than the labeled quantity as compared to plant b?

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Mathematics, 15.07.2019 15:00, lolz55678

Toasty tortilla company has two different manufacturing plants. company officials want to test whether each plant fills the bags with the same number of ounces. a random sample of tortilla bags from plant a had a mean of 24.2 ounces in each bag. a random sample from plant b had a mean of 23.2 ounces. they randomized the data over 100 trials, and the difference of means for each trial is shown in the dot plot below. what can toasty tortilla company conclude from this study? a dot plot with the values of negative 2.5, negative 2.0, negative 1.5, negative 1.0, negative 0.5, 0.0, 0.5, 1.0, 1.5, 2.0, and 2.5 with frequencies of 3, 6, 9, 12, 0, 9, 8, 5, 1, 0, and 5 respectively.

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Mathematics, 16.11.2019 03:31, samsmith666

Bags of a certain brand of tortilla chips claim to have a net weight of 14 oz. net weights actually vary slightly from bag to bag. assume net weights are normally distributed. a representative of a consumer advocate group wishes to see if there is any evidence that the mean net weight is less than advertised and so intends to test the hypotheses h0: \mu = 14, ha: \mu < 14. to do this, he selects 16 bags of tortilla chips of this brand at random and determines the net weight of each. he finds a sample mean of 13.88 oz with a standard deviation of s = 0.24 oz. assume the standard deviation for the distribution of actual net weights for bags of tortilla chips of this brand is \sigma = 0.25. at the 5% significance level, what is the power of our test when, in fact, \mu = 13.8 oz?

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Mathematics, 22.11.2019 03:31, justinjay0000

Frito-lay fills bags of tortilla chips that are labeled with a net weight of 288.5 grams. a random sample of 24 bags is selected and found to have an average net weight of 289.7 grams and a sample standard deviation of 5.6 grams. use a 95% confidence interval to investigate whether the filling process is working properly.

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Mathematics, 05.12.2019 21:31, Frenchfries13

Amanufacturing process produces bags of chips whose weight is n(16 oz, 1.5 oz). on a given day, the quality control officer takes a sample of 36 bags and computed the mean weight of these bags. the probability that the sample mean weight is below 16 oz is group of answer choices: a. 0.55 b. 0.45 c. 0.50 d. 0.60

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Asimple random sample of 100 bags of tortilla chips produced at plant a is selected every hour for q...

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