What is the probability that the sample mean weight

Assignment Help Basic Statistics
Reference no: EM132152291

The weight of chocolates packed into boxes is distributed normally with a mean weight of 450 grams and a standard deviation of 40 grams. You take a sample of 81 boxes. What is the probability that the sample mean weight is between 430 and 460 grams?

Reference no: EM132152291

Questions Cloud

How would you determine if you current system has this chip : The TPM (Trusted Platform Module) chip is used for hardware-based encryption, storing cryptographic keys, passwords, or certificates.
How is the movie industry adapting to the internet : How is the movie industry adapting to the Internet, inexpensive cameras and phones, and video editing software and apps?
Sample mean and then test the hypothesis : Suppose we know the standard deviation of the population is 3.7. We have a sample size of 625. We also have a sample mean of 46. We also have a population mean
Is the philosophy behind the innovation open or closed : Why you picked those two innovations and if you believe they are either more harmful or more beneficial for the organization.
What is the probability that the sample mean weight : What is the probability that the sample mean weight is between 430 and 460 grams?
Write a template for a function called total : Write a template for a function called total. The function should keep a running total of values entered by the user, then return the total.
Mean and standard deviation : Describe the sampling distribution for the sample proportion by naming the model and telling its mean and standard deviation. Justify your answer.
How are traditional security monitoring and investigatory : How are traditional security monitoring and investigatory practices such as auditing and forensics affected by having data.
Relationship between ci and hypothesis tests : You calculate a 90% confidence interval for µ and come up with (-10, 26). If you test H0: µ = 27 and use a = .10, will you reject H0? Why or why not?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Communicate a data security policy

1. How would you communicate a data security policy that required software checking of employees' emails?

  Discuss different ways to plot the data

Discuss different ways to plot the data. Choose one way to make a plot and give reasons for your choice.- Make the plot and describe what it shows.

  Formulate production plan and compute profit

The Water Authority informs Margaret that for a special fee of $6,000 this year, her farm will qualify for an additional allotment of 600 acre-feet of water. How should she respond?

  Who is the better student

Who is the better student, relative to his or her classmates? Here's all the information you ever wanted to know.

  What is the number of replications

What is the number of replications for each of the main treatment factors and their interaction and what do you conclude from the overall ANOVA analysis

  Explain whether the variable is continuous or not

For each of the given quantitative variables, explain whether the variable is continuous or not.- Number of classes a student misses in a week.

  A pharmaceutical company claims that their drug is

a pharmaceutical company claims that their drug is effective on more than 90 of all adults. a research company randomly

  Probability that an employee of the company is married

Of the 900 employees, 590 had college degrees, 120 were single, and 80 were single college graduates. Find the probability that an employee of the company is married and has a college degree.

  To find the sample size needed for a hypothesis test if ho

to find the sample size needed for a hypothesis test if ho mu10 ha mult10 sigma is unknown alpha 0.01 beta 0.05 and e

  Probability of finding bad chips

Chips. Suppose a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing.

  How would you use this information to solve for a percentile

The mean is 50 and the standard deviation is 5. How would you use this information to solve for a percentile rank?

  Poison goodness fit-chi square test

At a local supermarket receiving dock, the number of truck arrivals per day is recorded for 100 days. Estimate the mean from the sample.

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