A 95 confidence interval for a population mean u is given, Ask an Expert

Statistics

A 95% confidence interval for a population mean, u, is given as (18.958, 21.015). This confidence interval is based on a simple random sample of 36 observations. Calculate the sample mean, standard deviation, and margin of error. Assume that all conditions necessary for inference are satisfied. Use the t distribution in any calculations.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91015912

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

1 what is the ytm for a 14-year semi-annual bond that pays

1. What is the YTM for a 14-year semi-annual bond that pays $35 every six months and has a purchase price of $980.000? Face value is $1,000. 2. A person wants to put aside $500 at the beginning of each month for 10 years ...

The average price of a television on a certain web site is

The average price of a television on a certain Web site is ?$770. Assume the price of these televisions follows the normal distribution with a standard deviation of ?$170. Complete parts a through d below. a. What is th ...

Suppose that for a given patient the true ef is 63 consider

Suppose that, for a given patient, the true EF is 63. Consider the population of EF values that can be estimated on that patient using option II above. That population follows a normal distribution with μ= 63. Find the p ...

What is the fraction defective if material hardness is

What is the fraction defective if material hardness is normally distributed with a mean of 42 and a standard deviation of 1 and the specification limits for hardness are from 35 to 45? What value for the process mean wil ...

A normal distribution has a mean equal tonbsp45 what is the

A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of x = 52.84? (Round your answer to two decimal plac ...

Which is more detrimental to the sale of a popular athletes

Which is more detrimental to the sale of a popular athlete's paraphernalia, bad behavior on-the-field or bad behavior off-the-field? What is the Null Hypothesis: What is the Alternative Hypothesis:

Next time you see an elderly man check out his nose and

Next time you see an elderly man, check out his nose and ears! While most parts of the human body stop growing as we reach adulthood, studies show that noses and ears continue to grow larger throughout our lifetime. In o ...

Phillips owns 25 of mintor inc a private company in 2007

Phillips owns 25 % of Mintor, Inc. (a private company). In 2007, Mintor had sales of $22,00,000, had net income of $82,000 and Mintor paid $32,000 in dividends. If Phillips uses the Equity Income method, what did Phillip ...

1 suppose anbspseven-yearnbsp1000nbspbond withnbspanbsp79

1) Suppose a? seven-year, $1,000 bond with a 7.9% coupon rate and semiannual coupons is trading with a yield to maturity of 6.66 % i. Is this bond currently trading at a? discount, at? par, or at a? premium? Explain. ? ...

There is a new treatment for smokers to stop smoking in an

There is a new treatment for smokers to stop smoking. In an experiment, 85% of 300 smokers quit after 10 days of the treatment. What is the reasonable range for the success rate p of our new treatment? Which is the 95% c ...

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