What sample size is required for a maximum error

Assignment Help Mathematics
Reference no: EM13202391

By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 3.18 seconds.

Answer each of the following (show all work):

(A) How many measurements should be made in order to be 98% certain that the maximum error of estimation will not exceed 2.0 seconds?

(B) What sample size is required for a maximum error of 1.0 seconds?

 

Reference no: EM13202391

Questions Cloud

Find the work w required to pump the oil out : A spherical tank of radius 3m is half full of oil that has a density of 900kg/m3. Find the work W required to pump the oil out of a spout which extends 1.5m past the top of the sphere. (Use 9.8 for g and 3.14 for . Round your answer to three signi..
Analyze the firms past and possibly future profitability : The statement of cash flows allows the financial manager and other interested parties to analyze the firm's past and possibly future profitability
What rent should the manager charge to maximize revenue : Similarly, one additional unit will be occupied for each 10 dollar decrease in rent. What rent should the manager charge to maximize revenue?
How much work is required to remove all of the water : How much work is required to remove all of the water by pumping it over the side? Use the physical definition of work, and the fact that the weight of the Kool-Aid contaminated water is sigma = 65.9 lbs/ft^3 Don't forget to enter the correct units..
What sample size is required for a maximum error : By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 3.18 seconds.
How long ago was the artifact made : A wooden artifact from an ancient tomb contains 80% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)
Write out the retailers profits as a function of q and r : The marginal cost of the wholesaler is $2. It takes one unit of the input to produce one unit of the retailer's output and in addition to the price of the input the retailer has an additional marginal cost of $2. The retailer's demand curve is giv..
Can miller set prices to earn even higher profit : The seller, Ryan Miller's mom (who is a monopolist, at least with respect to these consumers, and can "produce" enough quantity to meet demand), has to determine her pricing strategy, and whether to sell the goods separately or as a bundle.
Describe why to ignore the time value of money : Normal people are willing to pay $250 and their desire to purchase doesn't vary with time. Ignore the time value of money and compute the optimal pricing scheme of the iphone. Assume that there are equal numbers of each customer type and the MC of..

Reviews

Write a Review

Mathematics Questions & Answers

  Determining continuity complex plane

Let G be an open subset of C ( complex plane) and let P be a polygon in G from a to b. Use the following 2 theorems to show that there is a polygon Q in G from a to b which is composed of line segments which are parallel to either the real or imag..

  How many mls of concentrated hno3

How many mLs of concentrated HNO3 would be needed to prepare 500mL of 0.2 N HNO3? (sp gr = 1.42, % purity =70%)

  What does a chicken weigh

a fox weighs twice as much as a chicken. If a 3 foxes and 4 chickens weigh 70 pounds, what does a fox weigh? What does a chicken weigh? How do you solve this?

  Determine the correct degree of freedom

Determine the correct degree of freedom

  What is the expected number of ball tosses

Suppose that we toss balls into b bins until some bin contains two balls. Each toss is independent, and each ball is equally likely to end up in any bin. What is the expected number of ball tosses?

  Binary operations-equivalence classes

Show that ~ is an equivalence on M and if a* deontes the equivalence class of a, let M* = {a*| a belongs to M} denote the set of all equivalence classes. Show that a*b* = (ab)* is a well-defined operation on M* deontes.

  The expected gains and losses under economic

The expected gains & losses under each economic type of conditions are shown in the following table.

  Geometrical constructions-angle bisector

Let R1 and R2 be two rays with a common vertex with an angle strictly less than pie(3.14). Construct the angle bisector ray B. In the setting of the previous problem, if you were given R1 and B, how would you construct R2?

  Find the probability of not seeing any moose in a day

If the probability of seeing moose in a day in a certain region of Alaska is 0.47, what is the probability of not seeing any moose in a day there?

  How tall is the radio tower

A surveyor standing 66 meters from the base of a building measures the angle to the top of the building and finds it to be 36°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 45°. How tall i..

  Find the crew rowing rate in still water

A boat's crew rowed 12 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current, covered the same distance, but took 4 hours. Find the crew's rowing rate in still water and the rate of the current.

  Explanation to statistics and probability

Explanation to "Statistics - Probability" question Suppose you randomly place 'r' indistinguishable balls into 'n' boxes. (a) how many different ways do you have

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