Determining confidence interval for mean weight

Assignment Help Basic Statistics
Reference no: EM1318408

Q1) In our bakery, sample of 60 loaves of bread is found to have mean weight of 35 ounces with standard deviation of 1.21 ounces.

a) Using sample, determine a 98% confidence interval for mean weight of whole daily output.

b) Find out how large a sample must be taken to be 90% confident that sample mean is within 0.12 ounces of true mean weight of our bakery's loaves.

c) Would we be guilty of false advertising if we claimed a 2 lb. loaf

Q2) Given following information about statistical experiment determine value of E. Sample size = 64, s = 4.71, confidence level = 95%

a)1.154

b) 0.184  

c) 0.380

d)1.332

Reference no: EM1318408

Questions Cloud

Triathalon times jeff parent is a statistics instructor : Triathalon Times Jeff Parent is a statistics instructor who participates in triathalons. Listed below are times (in minutes and seconds) he recorded as riding a bicycle for five laps through each mile of a 3-mile loop.
Quadratic equation problems : Quadratic equation problems.
Interference with participating in breach of fiduciary duty : Discuss the tort action of "Interference with Contractual Relations and Participating in a Breach of Fiduciary duty" and, if the bank you've chosen were to behave as JP Morgan did, would you be able to prevail in such a tort action.
Find the height of the ball drop : Evaluate the speed of the cyclist algebraically and Find the height of the ball drop and the time taken to reach the ground.
Determining confidence interval for mean weight : Using sample, determine a 98% confidence interval for mean weight of whole daily output.
Solve quadratic equation : Solve the quadratic equation
Application of algebra to find the weekly revenue : Application of algebra to find the weekly revenue - Evaluate the weekly revenue if the price is $8 for each football.
Discretionary right : Emma Employee works as a salesperson. Her company, International Widgets, implements sales incentive program: If any salesperson sells 100 units in July, they will receive a $12,000.00 bonus. International states that the program is discretionary ..
Hypothesis testing with one way anova : Describe appropriate treatment means μ1, μ2 and μ3. After that Test for statistically significant differences between these treatment means. Set α = 0.05.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Joint-marginal-conditional probabilities

Determine the probability that she lives in an all electric home?

  Determining weighted mean grade

Determine her weighted mean grade? What letter grade did she earn? (A, B, C, D or F).

  Creating confidence interval for proportion of all kernels

Create a 90% confidence interval for proportion of all kernels that would not pop.

  Degrees of freedom for chi-square test of goodness of fit

One use of the Chi-square goodness of fit test is to determine if specified multinominal probabilities in the null hypothesis is correct.

  Illustrate the regression model and predict it

Illustrate the regression model and predict it. The following table shows the yearly maintenance costs for several cars, as well as their age.

  Hypothesis-population proportion

What is the appropriate conclusion based on the outcome of the hypothesis test?

  Control limits using r chart

Thirty-two samples of 8 items each were collected from a process. The average sample mean is 12 and the average range is 0.10.

  What is the probability that more than 950 will accept

Assuming that students make their decisions independently, the number who accept has the B (1200, 0.75) distribution. If this number is less than 950, the college will admit students from its waiting list.

  Discrete probability distributions

The so-called "Gambler's Fallacy" makes the mistake of not recognizing:

  Population mean-sample sizes

What is the probability that a sample mean will be within plus-or-minus two of the population mean for each of the following sample sizes?

  Find the probability using exponential distribution

The Johnson family uses a propane tank for cooking on their gas grill. During the summer they need to replace their tank on average every 30 days.

  Utilization rate and probability values in queueing theory

What is the probability that more than one machine is in the system? Probability that more than two are broken and waiting to be repaired or being serviced? More than three? More than four?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd