Solution-Confidence interval for the population mean

Confidence interval for the population mean

Assignment Help Basic Statistics

Reference no: EM132518842

What price do farmers get for their watermelon crops? In the third week of July, a random sample of 44 farming regions gave a sample mean of = $6.88 per 100 pounds of watermelon. Assume that σ is known to be $1.90 per 100 pounds.

(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their watermelon crop (in dollars). What is the margin of error (in dollars)? (For each answer, enter a number. Round your answers to two decimal places.)

lower limit $
upper limit $
margin of error $

(b) Find the sample size necessary for a 90% confidence level with maximal error of estimate E = 0.29 for the mean price per 100 pounds of watermelon. (Enter a number. Round up to the nearest whole number.)
farming regions =

(c) A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop (in dollars). What is the margin of error (in dollars)? Hint: 1 ton is 2000 pounds. (For each answer, enter a number. Round your answers to two decimal places.)

lower limit $
upper limit $
margin of error $

Reference no: EM132518842

Questions Cloud

What is the probability that they will have : Based on a simple random sample of 23 patients at the hospital in the waiting room, what is the probability that they will have to wait for more than 2.5 hours?

What is the probability of observing between 75 and 46 : What is the probability of observing between 75 and 46 participants in the sample reporting at least one skin cancer?

What the interest concept that best describes application is : You have been asked to determine the amount of the annual deposit. The interest concept that best describes this application is

What amount if any should be reported as a liability : What amount, if any, should be reported as a liability for this contingency as at December 31, 2020, assuming that Sugarpost follows ASPE?

Confidence interval for the population mean : What price do farmers get for their watermelon crops? In the third week of July, a random sample of 44 farming regions gave a sample mean

What the reason jackson issued the bonds at a premium was : In July 1, 20x1, Jackson Company issued $300,000, five-year, 9% bonds at 103. The reason Jackson issued the bonds at a premium was

Randomly pick two people from the population : A poll finds that 72% of Jacksonville consider themselves football fans. If you randomly pick two people from the population, what is the probability:

How should jackhammer chemical report the information : Assuming ASPE is followed, how should Jackhammer Chemical report this information in its financial statements at December 31.

Confidence interval for the population proportion of women : In a survey of 7000 women 4431 say they change their nail polish once a week construct a 95% confidence interval for the population proportion of women

User Account

All Pages

Confidence interval for the population mean

Reference no: EM132518842

Reference no: EM132518842

Questions Cloud

Reviews

Write a Review

Basic Statistics Questions & Answers

Statistics-probability assignment

What is the least number

Determine the value of k

What is the probability

Binomial distributions

Caselet on mcdonald’s vs. burger king - waiting time

Generate descriptive statistics

Sampling variability and standard error

Estimate the population mean

Conduct a marketing experiment

Find out the probability

Linear programming models

Assured A++ Grade

Academics

Major Subjects

Majors

Get In Touch

TERMS & POLICIES

HELP & SUPPORT