User Account

All Pages

In a manufacturing process a random sample of 49 bolts

Assignment Help Basic Statistics
Reference no: EM13618380

In a manufacturing process a random sample of 49 bolts manufactured has a mean length of 1.24 inches with a standard deviation of .07 inches.use a normal disribution or a t-distribution to construct a 80% confidence interval for the mean.

A. Which distribution should be used to construct the 80%confidence level?

B. The 80% confidence interval is (?- , -?-) (round to two decimal places.)

Reference no: EM13618380

Questions Cloud

When the pressure in the tank reaches 700 kpa the entire : 3 rigid tank initially contains refrigerant-134a at 14oc. at this state 70 of the mass is in the vapour phase and the
The chairman of the federal reserve ben bernanke is faced : during the carter administration long-term us treasury yields exceeded 15 and short-term t-bills yielded near 20. after
Asuming the velocity is a parabolic function of v0 1-tt02 : an elevator moves downwards at a constant velocity v0. while descending at a particular height assuming t0 the velocity
On june 30 of the current year rural gas amp electric co : on june 30 of the current year rural gas amp electric co. issued 50000000 face value 9 percent 10-year bonds payable
In a manufacturing process a random sample of 49 bolts : in a manufacturing process a random sample of 49 bolts manufactured has a mean length of 1.24 inches with a standard
Is it ethical for this dispute - involving negligent : is it ethical for this dispute - involving negligent medical care not a breach of contract - to be forced into
Assuming that the bypassed air produces no thrust and : a jet engine is a serial combination of a compressor an adiabatic constant pressure combustor and a turbine in that
The managers at kfs have heard that corporate governance : l. list six potential managerial behaviors that can harm a firms value.m. the managers at kfs have heard that corporate
A 15 kg block is at rest on a level floor a 415 g glob of : a 15 kg block is at rest on a level floor. a 415 g glob of putty is thrown at the block such that it travels

Reviews

Write a Review

Basic Statistics Questions & Answers

  Even though my organization has a tough time separating the

provide me half page response to each discussion post. for the discussion 1 and discussion 2 tell me what you liked

  Find probability that more invoices were paid late

uppose that the protion of all invoices that were paid late is 20 percent. In a random sample of 140 invoices, determine the probability that more than 28 percent invoices were paid late.

  We wish to test the null hypothesis that there is no linear

can a pretest on mathematics skills predict success in a statistics course? the 82 students in an introductory

  Example on hypothesis testing

What do we need to consider when we try to select a test? Choose one of the tests; discuss your understandings of that test.

  Hypothesis test-frozen dinner

Your company manufactures low calorie frozen dinners. The advertised calorie content is 200 calories. A consumer activist group, FACT: fat and calories tribunal, is claiming that your product is not consistent.

  Computing probability values using binomial distribution

What is the probability that at least one of the new books is a commercial success?

  Normal distribution of diameters of grapefruits

The diameters of grapefruits in certain orchard are normally distributed with mean of 6.95 inches and a standard deviation of 0.75 inches. Show all work.

  A group of 50 randomly selected iupui students were asked

a recent poll found that 73 of 18-29 year-ols said they were registered to vote. a group of 50 randomly selected iupui

  A random sample of 200 observations shows that there are 36

a random sample of 200 observations shows that there are 36 sucessess. can we conclude at the 1 level of significance

  Business and economics-confidence intervals

A sample of 20 pages was taken without replacement from the 1,591-page phone directory Ameritech Pages Plus Yellow Pages. On each page

  Determine proportion of catholics were calm for one day

The study was done to distinguish people's religion with how many days that they have said they have been calm in past three days. Determine proportion of Catholics were calm for 1 out of 3 days?

  Largest sample mean of another sample

What is approximately the largest sample mean of another sample of n= 16 participants you would expect to obtain from this finite population?

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