User Account

All Pages

What is the probability that the average weight

Assignment Help Basic Statistics
Reference no: EM132144109

The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.7 ounces and standard deviation 0.2 ounces.

a) What is the probability that the average weight of a random sample of 4 of these chocolate bars will be between 7.57 and 7.83 ounces?

b) For a random sample of of these chocolate bars, find the value L such that P(x

¯

<L)=

0.0281.

ANSWER:

Reference no: EM132144109

Questions Cloud

Define proof of the impossibility of the solution : The 15-puzzle, invented by Noyes Palmer Chapman, and popularized by mathematical puzzle-maker Samuel Loyd in late 1980s, is a permutation puzzle best known.
What the cash flows from the lease from the lessor viewpoint : Assume that the tax rate is 35%. You can borrow at 8% before taxes. Should you lease or buy? What are the cash flows from the lease from the lessor's viewpoint
How accurate do you believe the two visual depictions : Based upon the narratives and testimonies of the incident, how accurate do you believe the two visual depictions of the "Boston Massacre" are?
How will you convince your business consultant about : Read about the Lean and Experiment" chapters from the Lean Startup" book for Eric Ries. You need to write with your style your own brief summary about.
What is the probability that the average weight : The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.7 ounces and standard deviation 0.2 ounces.
Compute the net present value for the project : The tax rate is 40 percent and the cost of capital is 12 percent. Compute the net present value for the project
Smartphones in meetings or classes : If 7 adult smartphone users are randomly? selected, find the probability that at least 5 of them use their smartphones in meetings or classes.
Discuss the concerns related to valuing a firm : Question - Discuss the concerns related to valuing a firm that deals in multiple currencies. substantial initial response consisting of a minimum of 100 words
Binomial probability distribution : Let X be the number of correct answers Mimi gets. As we know, the distribution of X is a binomial probability distribution. What is the number of trials

Reviews

Write a Review

Basic Statistics Questions & Answers

  Examine the sample average should exceed what value

Suppose the average checkout tab at a large supermarket is $65.12, with a standard deviation of $21.45. Twenty-three percent of the time when a random sample.

  Why the distribution becomes plausible

A log-normal distribution results (which gets its name from the fact that if the logarithm is taken, the distribution becomes normal). But why is that plausible?

  Black skin leading to false positive tests for marijuana

According to the alwaystestclean.com website, a report by the Los Angeles Times News Service stated that in a study of 161 prescription and over-the-counter.

  Round your computed test statistic to two decimal places

a pharmaceutical company is checking their medicines according to the regulations imposed. the company must ensure that

  Find the absolute pressure of the helium gas

The density of the surrounding air is 1.19 kg/m3. Find the absolute pressure of the helium gas.

  What is the missing value for the standard error

A computer program has produced the following output for the hypothesis testing problem: 1. What is the missing value for the standard error?

  Effective way to reduce auditing costs when assessing

Gemayel et al. (2011) demonstrated that RSS can be an effective way to reduce auditing costs when assessing the true value of an account is time consuming (and, consequently, expensive) by allowing for smaller sample sizes than would be necessary ..

  Excel formula for calculating the t-score p-value

1. What is the difference between a Type I and Type II error? 2. What is the Excel formula for calculating the t-score p-value?

  Expected values of a discrete random variable

When the conditionally and unconditionally expected values of a discrete random variable would be different?

  Use the distribution function method to find the cdf and

suppose that two electronic components in the guidance system for a missile operate independently and that each has a

  Determine probability using multinomial distribution

A college student is taking 5 courses in a semester. He is willing to assume that he will get an A with probability 0.10, a B with probability 0.80, and a C with probability 0.1 in each of the courses. He defines X1, X2, and X3 to be the number of..

  Find the sample regression equation for the model

A social scientist would like to analyze the relationship between educational attainment and salary. He collects the following sample data.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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