Compute the 90 confidence interval for population mean. at, Ask an Expert

Statistics

Compute the 90% confidence interval for population mean.

At the end of 1990 and 1991 and 1992 the average prices of a share of stock in a money market portfolio were $34.83, $34.65 and $31.26 respectively. To examine the average share price at the end of 1993, a random sample of 30 stocks was drawn and their closing prices on the last trading day of 1993 were observed with a mean of 33.583 and a standard deviation of 19.149. Appraisal the average price of a share of stock in the portfolio at the end of 1993 with a 90% confidence interval.

A. [27.643 39.523]
B. [32.360 34.650]
C. [33.583 34.651]
D. [26.433 40.733]
E. [26.731 40.435]

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M923319
Price:- $10

Guranteed 24 Hours Delivery, In Price:- $10

Have any Question?

Related Questions in Statistics and Probability

Innbspmid-2009 rite aid hadnbspccc-ratednbsp20-year bonds

In? mid-2009, Rite Aid had? CCC-rated, 20-year bonds outstanding with a yield to maturity of 17.3%. At the? time, similar maturity Treasuries had a yield of 5%. Suppose the market risk premium is 4% and you believe Rite? ...

Monthly water bills for a city have a mean of 10843 and a

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly selected bill will have an amount greater than $165, which the city believes might indicate t ...

A few years ago simon powell purchased a home for 250000

A few years ago, Simon Powell purchased a home for $250,000. Today, the home is worth $450,000. His remaining mortgage balance is $200,000. Assuming that Simon can borrow up to 70 percent of the market value, what is the ...

Suppose you want to calculate the z-score for your height

Suppose you want to calculate the? z-score for your height. How will the? z-scores compare if you use your height in inches verses? centimeters?

In a fish tank there are 23 goldfish 4 angelfish and 9

In a fish tank, there are 23 goldfish, 4 angelfish, and 9 guppies. If a fish is selected at random, find the probability that it is an angelfish or a guppy.?

Among 140 subjects with positive test results there are 25

Among 140 subjects with positive test? results, there are 25 false positive? results; among 152 negative? results, there are 22 false negative results. If one of the test subjects is randomly? selected, find the probabil ...

A clothing quality director determines the accuracy of nfl

A clothing quality director determines the accuracy of NFL Logos on t-shirts. 9% of the shirts made that day are defective. The shirts are sold in packages of 10. Find the probability that in one randomly selected packag ...

What are the ways that it can help comply with legal

What are the ways that IT can help comply with legal requirements and social responsibilities surrounding the sales of alcohol?

Imagine that i had two drugs x and z i administered the

Imagine that I had two drugs, X and Z. I administered the drugs to people with sleep difficulties for one month. The mean amount of sleep difficulties reported in the drug X group in the past month was 3.44 (SD = 2.34) a ...

A major car manufacturer wants to test a new engine to

A major car manufacturer wants to test a new engine to determine if it meets new air pollution standards. The mean emission μ of all engines of this type must be approximately 18 parts per million of carbon. If it is hig ...

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