Suppose that a group of 100 consumers are asked to rate how, Ask an Expert

Statistics

Suppose that a group of 100 consumers are asked to rate how much they liked the taste of a new soft drink on a 5-point scale (where 5 = good taste and 1 = poor taste) and the mean rating was 4.2 with a standard deviation of 1.48. Suppose, further, that the standard error of the mean for this study was 0.15. If you wanted to find the 95 percent confidence interval (two-tailed test), and if the Z-value at the.05 level of significance is 1.96, the confidence interval lies between approximately

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91007227

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A laboratory worker finds that the 3 of his blood samples

A laboratory worker finds that the 3% of his blood samples test positive for the HIV virus. In a random sample of 70 blood tests, what is the mean number that test positive for the HIV virus? (Round your answer to 1 deci ...

Lt x be a normally distributed random variable with mu

Let X be a normally distributed random variable with μ = 100 and σ = 10. Find the probability that X is between 80 and 105. (Round your answer to the nearest whole number percent and include the percent symbol.)

A shipment contains 11 tvs of which two are defective a

A shipment contains 11 TV's, of which two are defective. A sample of three TV's is selected at random. In how many ways can no defective TV's be chosen?

From a random sample of 58 businesses it is found that the

From a random sample of 58 businesses, it is found that the mean time the owner spends on administrative issues each week is 20.53 with a standard deviation of 3.23. What is the 95% confidence interval for the amount of ...

There are twenty stores for a grocery chain in the

There are twenty stores for a grocery chain in the Mid-Atlantic region. The regional executive wants to visit five of the twenty stores. She asks her assistant to choose five stores and arrange the visit schedule. (Pleas ...

Amount of emails mean30find the probability that 20 emails

Amount of emails. Mean=30 Find the probability that 20 emails are received on the first day and 50 emails are received on the second day.

A puck company wants to sponsor the players with the 10

A puck company wants to sponsor the players with the 10% quickest goals in hockey games. The times of first goals are normally distributed with a mean of 8.54 minutes and a standard deviation of 4.91 minutes. How fast wo ...

A particular brand of tires claims that its deluxe tire

A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past studies of this tire, the standard deviation is known to be 8,000. A survey of owners of th ...

Stock valuationsuppose you know that a companys stock

Stock Valuation Suppose you know that a company's stock currently sells for $72 per share and the required return on the stock is 11.5 percent. You also know that the total return on the stock is evenly divided between a ...

The board of a major credit card company requires that the

The board of a major credit card company requires that the mean wait time for customers when they call customer service is at most 3.00 minutes. To make sure that the mean wait is not exceeding the requirement, an assist ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert