A manufacturer of children's vitamins claims that its vitamins are mixed so that each batch has exactly the following percentages of each color: 20 % green, 30 % yellow,30% red, and 20% orange. To test the claim that these percentages are incorrect, 100 bottles of vitamins were sampled and the colors of the vitamins were tallied. Theresults are listed in the following table. At a = 0.025, determine whether there is sufficient evidence to conclude that the percentages stated by the vitaminmanufacturer are incorrect.NumberChildren's VitaminsGreen906IYellow1321PorangeRed1306Copy DataStep 1 of 4: State the null and alternative hypotheses in terms of the expected proportion for each color of vitamin.Ho:P green =- Pyellow =_Pred =Ha: There is a difference from the stated proportions.Orange778

Step 1 of 4:The claims that its vitamins are mixed so that each batch has exactly 20% green, 30%…

Answered: Number 906 1321 Porange = 1306 778 Copy…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Test the claim about the population proportion p<0.850 given n = 60 and p = 0.656. Use a = 0.05. !3! Edit View Insert Format Tools Table 12pt v Paragraph B IUA eY Tiv 网

Find the standardized test statistic t for a sample with n = 25, x = 26, s = 3, and a = 0.005 if Ha: H>25. Round your answer to two decimal pla 0000 А. 1.67 B. 2.00 с. 1.24 D. 1.45
Run a single proportion test. Significance level= 0.05
Change in the average birth weight of babies born in the U.S. since 1990, in ounces 0 -0.5- -1.0 -1.5 1990 '95 ¹00 "Born between 37 and 41 and net including multiple births Source: Obstetrics and Gynecology prvy. 105 A local hospital wanted to see if the claim was true and randomly sampled 19 baby's weights and found an average weight of 7 pounds. Test the claim using a 10% level of significance that the mean weight significantly smaller than the national average of 7.5 pounds. Use the population standard deviation of 1.25 pounds. Give answer to at least 4 decimal places. What are the correct hypotheses? (Select the correct symbols.) pounds Ho: Select an answer♥ ?✔ H₁: Select an answer? Based on the hypotheses, find the following: Test Statistic = p-value = pounds The correct decision is to [Select an answer The correct summary would be: [Select an answer weight significantly smaller than the national average of 7.5 pounds. What is the type I error in this situation? Select an answer…
An independent measures study with n = 6 in each sample produces a sample mean difference of 8 points and Sm1-m2= 2. What is the value for the T statistic? A. 1 B. 2 C. 4 D. 4/-8
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Data from a random sample of stroke patients around all states in Malaysia will be used to estimate the population mean sugar level of patients with stroke. This process is called a. statistical inference O b. statistical hypothesis
23
The Kyoto Protocol was signed in 1997, and required countries to start reducing their carbon emissions. The protocol became enforceable in February 2005. In 2004, the mean CO2 emission was 4.87 metric tons per capita. In 2010, the CO2 emissions for a random sample of 31 countries were collected. Is there enough evidence to show that the mean CO2 emission is lower in 2010 than in 2004? State the random variable, population parameter, and hypotheses. The symbol for the random variable involved in this problem is The wording for the random variable in context is as follows: The symbol for the parameter involved in this problem is The wording for the parameter in context is as follows: Fill in the correct null and alternative hypotheses:�0: ��: A Type I error in the context of this problem would be A Type II error in the context of this problem would be
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There are different guidelines for calcium intake for children age 5-10 those aged 11-13. A study was conducted to determine if children consumed an adequate amount of calcium and yielded the following results. Met requirements No Yes Age 5-10 194 861 Test the null hypothesis that there are no differences between the two age groups in the proportion which met the requirements. Use a 5% level of significance. The value of the test statistic and the decision are z=0.804; do not reject the null hypothesis z=18.08; reject the null hypothesis z=21.62; reject the null hypothesis Age 11-13 557 417 z=41.21; reject the null hypothesis

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Number 906 1321 Porange = 1306 778 Copy Data tep 1 of 4: State the null and alternative hypotheses in terms of the expected proportion for each color of vitamin. Ho: Pgreen= Pyellow = Pred = Ha: There is a difference from the stated proportions.