Exercise 8-54 Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new...

Exercise 8-54

Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new home dècor it plans to show in its store in High Point.

Construct the 98% confidence interval for the population proportion. (Round the final answers to 3 decimal places.)

Confidence interval for the population proportion is ___ and ___ .

Exercise 8-46

The employees of Electronics Inc. would like to have a dental plan as part of their benefits package. The question is: How much does a typical employee and his or her family spend per year on dental expenses? A sample of 46 employees reveals the mean amount spent last year was $1970, with a standard deviation of $550.

a. Construct a 90% confidence interval for the population mean. (Round the final answers to the nearest whole dollar.)

Population mean $____ $ ____

Expert Solution

orchestra answered 2 years ago

Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new home dècor it plans to show in its store in High Point. Construct the 98% confidence interval for the population proportion. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is and

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor it plans to show in its store in High Point. Construct the 99% confidence interval for the population proportion. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is and .

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor it plans to show in its store in High Point. Construct the 99% confidence interval for the population proportion. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is and .

Furniture Land surveyed 520 consumers and found that 456 were enthusiastic about a new home dècor...

Furniture Land surveyed 520 consumers and found that 456 were enthusiastic about a new home dècor it plans to show in its store in High Point. Construct the 99% confidence interval for the population proportion. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is and .

Furniture Land surveyed 670 consumers and found that 472 were enthusiastic about a new home dècor...

Furniture Land surveyed 670 consumers and found that 472 were enthusiastic about a new home dècor it plans to show in its store in High Point. Construct the 98% confidence interval for the population proportion. (Round the final answers to 3 decimal places.) Confidence interval for the population proportion is and 2) You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 140 days, with a standard deviation...

Five hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups...

Five hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups and preferences are given in the table. 18–24 25–34 35–55 55 and over Total Liked Crunchicles 4 20 23 35 82 Disliked Crunchicles 47 56 44 38 185 No Preference 27 8 28 170 233 Total 78 84 95 243 500 One consumer from the survey is selected at random. Use reduced fractions for your responses to each of the following questions. What is...

Two hundred consumers are surveyed about a new brand of snack food, Crunchicles. Their age groups...

Two hundred consumers are surveyed about a new brand of snack food, Crunchicles. Their age groups and preferences are given in the table. 18–24 25–34 35–55 55 and over Total Liked Crunchicles 14 6 15 39 74 Disliked Crunchicles 7 6 3 27 43 No Preference 12 15 5 51 83 Total 33 27 23 117 200 One consumer from the survey is selected at random. Leave all answers in a reduced fraction. What is the probability that the consumer...

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Exercise 8-54 Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new...

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Furniture Land surveyed 640 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 550 consumers and found that 478 were enthusiastic about a new home dècor...

Furniture Land surveyed 520 consumers and found that 456 were enthusiastic about a new home dècor...

Furniture Land surveyed 670 consumers and found that 472 were enthusiastic about a new home dècor...

Five hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups...

Two hundred consumers are surveyed about a new brand of snack food, Crunchicles. Their age groups...