99% confidence interval for the mean are assuming that the population standard deviation for the number of soft drinks consumed each week is 0.9. the study found that for a sample of 1097 teenagers the mean number of soft drinks consumed per week is 6.3. construct the desired confidence interval. round to one decimal place.
Lower and Upper endpoint?
99% confidence interval for the mean are assuming that the population standard deviation for the number...
A soft drink manufacturer wishes to know how many soft drinks teenagers drink each week. They want to construct a 99%99% confidence interval for the mean and are assuming that the population standard deviation for the number of soft drinks consumed each week is 0.90.9. The study found that for a sample of 10971097 teenagers the mean number of soft drinks consumed per week is 6.36.3. Construct the desired confidence interval. Round your answers to one decimal place.
A market research company wishes to know how many energy drinks adults drink each week. They want to construct a 80%confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 0.9. The study found that for a sample of 456 adults the mean number of energy drinks consumed per week is 6.9 Construct the desired confidence interval. Round your answers to one decimal place. lower endpoint? upper...
A soft drink manufacturer wishes to know how many soft drinks teenagers drink each week. They want to construct a 98% confidence interval for the mean and are assuming that the population standard deviation for the number of soft drinks consumed each week is 1.3. The study found that for a sample of 966 teenagers the mean number of soft drinks consumed per week is 6.2. Construct the desired confidence interval. Round your answers to one decimal place.
A market research company wishes to know how many energy drinks adults drink each week. They want to construct a 85% confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 0.8. The study found that for a sample of 159 adults the mean number of energy drinks consumed per week is 7.6. Construct the desired confidence interval. Round your answers to one decimal place. LOWER ENDPOINT???...
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to construct a 95% confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 0.6. The study found that for a sample of 233 teenagers the mean number of energy drinks consumed per week is 4.1. Construct the desired confidence interval. Round your answers to one decimal place.
A market surveyor wishes to know how many energy drinks teenagers drink each week. They want to construct a 95%95% confidence interval for the mean and are assuming that the population standard deviation for the number of energy drinks consumed each week is 0.60.6. The study found that for a sample of 233233 teenagers the mean number of energy drinks consumed per week is 4.14.1. Construct the desired confidence interval. Round your answers to one decimal place.
A soft drink manufacturer wishes to know how many soft drinks adults drink each week. They want to construct a 95% 95 % confidence interval for the mean and are assuming that the population standard deviation for the number of soft drinks consumed each week is 1.1 1.1 . The study found that for a sample of 949 949 adults the mean number of soft drinks consumed per week is 3.6 3.6 . Construct the desired confidence interval. Round your...
I KNOW THE ANSWER BUT I NEED A STEP BY STEP EXPLANATION ON HOW TO GET THE ANSWER. A marketer wants to construct a 95% confidence interval for variance and is assuming that the population standard deviation for the number of energy drinks consumed each week is 1.4. The study found that for a sample of 8 teenagers the standard deviation of the number of energy drinks consumed per week is 1.3. Choose the upper and lower limits (UL and...
Construct a 99% confidence interval to estimate the population mean using the data below. X = 46 o = 12 n42 With 99% confidence, when n = 42 the population mean is between a lower limit of (Round to two decimal places as needed.) and an upper limit of Construct a 95% confidence interval to estimate the population mean with X = 102 and o = 25 for the following sample sizes. a) n = 32 b) n = 45...
Assuming that the population is normally distributed, construct a 99% confidence interval for the population mean, based on e ollowing sample sizeof 1, 2, 3, 4, 5, 6, 7, and 25 In the given data, replace the value 25 with 8 and recalculate the confidence interval. Using these results, describe the effect of an outlier (that is, an extreme value) on the confidence interval, in general. Find a 99% confidence interval for the population mean, using the formula or technology....