A new soft drink company claims that people prefer it's cola over the currently dominant lime...
A new soft drink company claims that people prefer it's cola over the currently dominant lime soda. A random sample of 100 shoppers was selected. 70 of them said that they preferred the new cola. use a 5% significance level to test the company's claim. check your answer using the p value test??
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A new soft drink company claims that people prefer it's cola
over the currently dominant lime...
9.Pepsi Cola Corporation is in the process of introducing a new type of soft drink. Before...
9.Pepsi Cola Corporation is in the process of introducing a new type of soft drink. Before developing the final marketing strategy, the company wants to sample its client base. The sample includes: 500 members of the Silent Generation, 800 Baby Boomers and 700 Millennials customers. Please show all work Silent Generation Baby Boomers Millennials TotaL FOR 200 300 400 900 AGAINST 300 500 300 1100 Total 500 800 700 2000 At a 10 percent significance level test the claim that...
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30...
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 68 cans of this soft drink, which were checked for calories, contained a mean of 32 calories with a standard deviation of 3 calories. Does the sample information support the alternative hypothesis that the manufacturer's claim is false? Use a significance level of 5%. Find the range for the p-value for this test. What will your conclusion be using...
CAPTER 9 PRACTICE 1. The Valley Soft drink Company is experimenting with two different recipes for...
CAPTER 9 PRACTICE 1. The Valley Soft drink Company is experimenting with two different recipes for a new cola. In market tests of both recipes, it was found that 85 of 140 consumers rated the first recipe as good or better, whereas 90 of 155 consumers rated the second recipe as good or better. a) Construct a 95% confidence interval estimate of the difference between the two proportions. b) Use a .05 level of significance to test the claim that...
This case study is about a study on coffee consumption of people that live in the...
This case study is about a study on coffee consumption of people that live in the United States. In total, 92 people were randomly selected and data was gathered regarding the annual consumption of coffee in gallons. Of these 92, 51 were females and 41 were males. You must show all work and formulas used in order to receive full credit. This includes showing all steps of the appropriate hypothesis test from the chapter notes. Round decimals in calculations to...
A manufacturing company claims that its new designed batteries last at least sixty hours on average...
A manufacturing company claims that its new designed batteries last at least sixty hours on average in any smart phone which is currently on the market. Tests on a random sample of 18 batteries from a day's large production run showed a mean battery life of 57.8 hours with a standard deviation of 5.4 hours. Assume that the mean battery life is normally distributed. Step 1 of 5: The appropriate set of hypotheses to be used to test the manufacturer's...
A financial company gives its banking customers a commission if they refer new people to open...
A financial company gives its banking customers a commission if they refer new people to open bank accounts. As a result, 55% of new customers at the bank came from referrals in 2014. Another bank had 23% referrals last year (out of a total of 55,000 new customers) and has increased the commission this year. It expects to achieve 30% referrals this year and picks a random selection of 300 new customers and finds that 26% of them came from...
10. A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls a...
10. A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls are equal. The mean score for 13 randomly selected boys is 151 with a standard deviation of 36, and the mean score for 15 randomly selected girls is 149 with a standard deviation of 34. At a 0.01, can you reject the teacher's claim? Assume the populations are normally distributed and the population variances are not equal. Но Type of...
Coca-cola in India case. 1. What aspects of US culture and of Indian culture may have...
Coca-cola in India case.
1. What aspects of US culture and of Indian culture may have
been causes of Coke's difficulties in India?
2. How might Coca-Cola have responded differently when this
situation first occurred, especially in terms of responding to
negative perceptions among Indians of Coke and other MNCs?
3. If Coca-Cola wants to obtain more of India’s soft drink
market, what changes does it need to make?
4. How might companies like Coca-Cola and PepsiCo demonstrate
their commitment...
For each of the problems below perform an hypothesis test. State the null and alternative hypothesis, the p-value and your conclusion in context of the problem. Perform each test at a .05 significance...
For each of the problems below perform an hypothesis test. State the null and alternative hypothesis, the p-value and your conclusion in context of the problem. Perform each test at a .05 significance. 1. A manufacturer of a plasticised line used in home-assembly mobiles advertises that their product has an average tensile strength of 30 kilograms (this is a measure of how strong the product is). You took a sample of 144 sections of the line and tested them. The...
The Crown Bottling Company has just installed a new bottling process that will fill 16-ounce bottles...
The Crown Bottling Company has just installed a new bottling process that will fill 16-ounce bottles of the popular Crown Classic Cola soft drink. Both overfilling and underfilling bottles are undesirable: Underfilling leads to customer complaints and overfilling costs the company considerable money. In order to verify that the filler is set up correctly, the company wishes to see whether the mean bottle fill, μ, is close to the target fill of 16 ounces. To this end, a random sample...
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 68 cans of this soft drink, which were checked for calories, contained a mean of 32 calories with a standard deviation of 3 calories. Does the sample information support the alternative hypothesis that the manufacturer's claim is false? Use a significance level of 5%. Find the range for the p-value for this test. What will your conclusion be using...
CAPTER 9 PRACTICE 1. The Valley Soft drink Company is experimenting with two different recipes for a new cola. In market tests of both recipes, it was found that 85 of 140 consumers rated the first recipe as good or better, whereas 90 of 155 consumers rated the second recipe as good or better. a) Construct a 95% confidence interval estimate of the difference between the two proportions. b) Use a .05 level of significance to test the claim that...
10. A science teacher claims that the mean scores on a science assessment test for fourth grade boys and girls are equal. The mean score for 13 randomly selected boys is 151 with a standard deviation of 36, and the mean score for 15 randomly selected girls is 149 with a standard deviation of 34. At a 0.01, can you reject the teacher's claim? Assume the populations are normally distributed and the population variances are not equal. Но Type of...
Coca-cola in India case.
1. What aspects of US culture and of Indian culture may have
been causes of Coke's difficulties in India?
2. How might Coca-Cola have responded differently when this
situation first occurred, especially in terms of responding to
negative perceptions among Indians of Coke and other MNCs?
3. If Coca-Cola wants to obtain more of India’s soft drink
market, what changes does it need to make?
4. How might companies like Coca-Cola and PepsiCo demonstrate
their commitment...
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