What price do farmers get for their watermelon crops? In the third week of July, a random sample of 40 farming regions gave a sample mean of  = $6.88 per 100 pounds of watermelon. Assume that σ is known to be $1.98 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 = 0.33 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     $

Question

What price do farmers get for their watermelon crops? In the third week of July, a random sample of 40 farming regions gave a sample mean of  = $6.88 per 100 pounds of watermelon. Assume that σ is known to be $1.98 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 = 0.33 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     $ 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Other

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: Finding a Percentile In Exercises 33–36, use the data set, which represents the ages of 30 executive...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: 3) Below are the ages of ten women who have been recognized for their social work: 43,44,45,48,53,56...

A: g)   The P41 value is 56 and it is calculated below:   From the given information, the ages are 43, ...

Q: Hello, could you please show step by step how to solve this? and also could you use the formula used...

A: Note: Hey there! Thank you for the question. As nothing is mentioned about “k” we have assumed it to...

Q: Understanding the Concepts and SkillsOf what test is the Kruskal–Wallis test a nonparametric version...

A: Kruskal – Wallis test: Kruskal-Wallis test is a nonparametric test and it is alternative to the one-...

Q: A two-sample t-test for a difference in means was conducted to investigate whether there is a statis...

A: Introduction: Denote μ1, μ2 as the true mean amount of fat in low-fat and non-fat yogurt, respective...

Q: 1.The distribution of scores on the SAT is approximately normal with a mean of μ = 500 and a standar...

A: Given that,

Q: How do you interpret the estimated value of β 2 in the following model?   1. the mean value of ln(y...

A: The provided regression equation is:

Q: Job Satisfaction. A CNN/USA TODAY poll conducted by Gallup asked a sample of employed Americans the ...

A: The excel file summarizes the response and gender. The claim is to test whether the data provide suf...

Q: Answer true or false to each of the following statements and explain your answers. a. Prior knowledg...

A: Click to see the answer

Q: How can I solve this ?

A: The normal distribution will be used for this hypothesis: The claim is that more than 50% of those u...

Q: Comparing z-Scores from Different Data Sets The table shows population statistics for the ages of Be...

A: We have given a table which shows the population statistics for the ages of best actor and best supp...

Q: In discussing the sample size required for obtaining a confidence interval with a prescribed confide...

A: When a likely range is given, the sample proportion p-hat is taken as the value that is closer to 0....

Q: Hospital Stays. The U.S. National Center for Health Statistics collects data on length of stay in no...

A: The information is about the stay in the hospital. Random sample of Americans are compare with the l...

Q: Could you please tell me how to complete this using a ti-84

A: a. The hypotheses are; This is a lower-tailed test. Here, difference, d = Actress – Actor

Q: Hello, I understand how to do it that way( I mean the way it's done in the picture send you)  but ho...

A: The sum of first n natural numbers is n(n + 1)/2.

Q: Interpreting r. In Exercises 5–8, use a significance level of α = 0.05 and refer to the accompanying...

A: The data shows the difference of weights between the discarded paper and glass from 62 different hou...

Q: The following exercises are based on the following sample data consisting of numbers of enrolled stu...

A: Click to see the answer

Q: Confidence Interval for Hemoglobin Large samples of women and men are obtained, and the hemoglobin l...

A: Click to see the answer

Q: Applying the Concepts and SkillsIn Exercises, use the technology of your choice toa. conduct a Krusk...

A: Click to see the answer

Q: I believe the population proportion of men that grow their beard fully in cooler months is 0.25. Aft...

A: The null and the alternative hypotheses are, H0: p=0.25 HA: p≠0.25 The sample proportion of men that...

Q: Find the confidence level and α for a. a 90% confidence interval. b. a 99% confidence interval.

A: Confidence Level:   The confidence level represents the probability of the parameter of population f...

Q: A bus company advertised a mean time of 150 minutes for a trip between two cities. A consumer group ...

A: Solution: Since you have posted a question with multiple sub-parts, we will solve first three sub-pa...

Q: A researcher studying koi fish collected data on three variables, A, B, and C. The following residua...

A: If the residual plot shows any systematic pattern then the linear model is not appropriate. If the r...

Q: Gender and Direction. In the paper “The Relation of Sex and Sense of Direction to Spatial Orientatio...

A: To decide whether two-standard deviations F-test can be used to compare the variation the histogram ...

Q: Lovely Lawns, Inc., intends to use sales of lawn fertilizer to predict lawn mower sales. The store m...

A: Introduction: We have renamed the predictor variable, Fertilizer Sales as x, and the response variab...

Q: 3. In a study of 1991 model cars, a researcher computed the least-squares regression line of price (...

A: Click to see the answer

Q: Applying the Concepts and SkillsIn Exercises, use the technology of your choice to perform and inter...

A: Click to see the answer

Q: Statistics Question

A: It is given that the point Q is removed from the data set. It is known that the correlation coeffici...

Q: Mendelian Genetics One of Mendel’s famous genetics experiments yielded 580 peas, with 428 of them gr...

A: Click to see the answer

Q: Provide a written description of the complement of each of the given eventsbelow:i. When a couple ha...

A: Part i The complement is: When a couple has three children, none of them is a girl. Part ii The comp...

Q: Define uniform probability distribution

A: Uniform distributions are distributions of probabilities with outcomes equally likely. There are two...

Q: A random sample of 30 students spent an average amount of $40.00 on a date, with a standard deviatio...

A: It is given that:

Q: 11. Home Ownership In a recent year , the rate of U.S. home ownership was 65.9 % . Choose a random s...

A: Obtain the probability that 65 to 85 ( inclusive ) of them live in homes that they own. The probabil...

Q: Surveys that combine one or more of simple random sampling, systematic random sampling, cluster samp...

A: Click to see the answer

Q: Which of the following sampling procedures involve the use of probability sampling? a. A college stu...

A: Given that, Probability Sampling It is the procedure of collecting the samples using probability. It...

Q: The Etruscans. Anthropologists are still trying to unravel the mystery of the origins of the Etrusca...

A: a) The given data represents the maximum head breadth in millimetres for a random sample of 70 moder...

Q: Identify a commonly used graphical technique for portraying events and relationships among events.

A: Venn diagram: Venn diagram is a diagrammatic representation of sets that show the relationship betwe...

Q: The following data was collected to explore how the number of square feet in a house, the number of ...

A: Excel is used in order to perform the regression analysis. Steps are as; Enter the data in the spre...

Q: In a certain town, the number of internet glitches per day is a normal distribution with a mean of 2...

A: Given information- Population mean, μ = 20 Population standard deviation, σ = 4 Since the number of ...

Q: How large a sample should be selected to provide a  95% confidence interval with a margin of error o...

A: It is given that the confidence level is 95% and the margin of error is 1. Assumed population standa...

Q: The Graduate Management Admission Test (GMAT) is taken by individuals interested in pursuing graduat...

A: a) Computation of test statistic value: Sample size is greater than 30 and the population standard d...

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is...

A: Click to see the answer

Q: Q6 If 64% of a sample of 550 people leaving a shopping mall claims to have spent over $25. a) State ...

A: Solution: 6. a. From the given information, the proportion of people leaving a shopping mall claims ...

Q: Interpreting a Graph The accompanying graph plots the numbers of points scored in each Super Bowl to...

A: Click to see the answer

Q: A positive linear relationship between two variables means that one variable tends to increase linea...

A: Positive linearly correlation: If one variable increases, then the other variable also increases mea...

Q: Please solve iv,v and vi only thanks

A: Click to see the answer

Q: Second, the researcher wishes to use graphical descriptive methods to present summaries of the data ...

A: Given that, The researcher wishes to use graphical descriptive methods to present summaries of the d...

Q: How do I solve this?

A: The summary of the statistics is, The distribution used in this problem is t-test  Since the popula...

Q: According to the central limit theorem, for a relatively large sample size, the variable x is approx...

A: Click to see the answer

Q: Do Left-Handers Die Earlier? According to a study published in the Journal of the American Public He...

A: Observational study: The investigators may simply observe a predefined set of individuals and collec...