Mathematics

A surveyor on one side

A surveyor on one side of a river wishes to find the distance between points A and B on the opposite side of the river. On her side, she chooses points C and D, which are CD = 10 m apart, and measures the angles shown in the figure below. Find the distance between A […]

Statistics Exam Jam007

This week you have a final exam. Take advantage of the practice exam to prepare for this exam. You are given three attempts at the practice final exam. Between each attempt, you may wish to return to LearnSmart (LS) to review any of materials from the class for which you have questions. When you are […]

Curve fitting Project Linear Model

Curve fitting Project Linear Model Instructions For this assignment, collect data exhibiting a relatively linear trend, find the line of best fit, plot the data and the line, interpret the slope, and use the linear equation to make a prediction. Also, find ? (coefficient of determination) and r (correlation coefficient). Discuss your findings. Your topic […]

A study used 1360 patients

A study used 1360 patients who had suffered a stroke. The study randomly assigned each subject to an asprin treatment or a placebo treatment. The table shows MINITAB output where X is the number of deaths due to heart-attack during a follow up period of about 3 years. Sample 1 received placebo and sample 2 […]

An Econ Math problem

0 Home.Literature. Help. Contact Us FAQ Log in / Sign up Log in / Sign up Post a question Home. Literature. Help. ButterflyPuwn Main Similar Questions Home>Mathematics homework help Mathematical question     econ_math.docx 6 years ago 26.01.2016 10 Report Issue Answer(0) Bids(0) other Questions(10) Completing the Prospectus Draft 3 different questions shown below. pm6 PAYMENT LINK […]

An internet service provider (isp) provides internet connections

%An internet service provider (ISP) provides internet connections to 100,000 customers. 10,000 of the customers have high-speed connections and 90,000 of the customers have low-speed connections. The ISP wants to know whether, on the average, customers who have high-speed connections use email more frequently than customers who have low-speed connections. To find out, the ISP […]

Few Statistics Questions

The chi-square goodness-of-fit test can be used to test for:   A.difference between population variances     B.difference between population means     C.significance of sample statistics     D.normality       A company operates four machines during three shifts each day. From production records, the data in the table below were collected. At the .05 […]

MATH125: Unit 4 Individual Project Counting Techniques

MATH125: Unit 4 Individual Project   Counting Techniques and Introduction to Probability     State Totalmurders1 Totalfirearms Handguns Rifles Shotguns Firearms(typeunknown) Knives orcuttinginstruments Otherweapons Hands, fists,feet, etc.2 Alaska 29 16 5 0 3 8 6 5 2 Arizona 339 222 165 14 9 34 49 59 9 Arkansas 153 110 52 4 6 48 22 […]

Stats – one manufacturer’s high-quality product rate is 30%

    One manufacturer’s high-quality product rate is 30%. recently, a sample with size 15 products is collected. among them, 3 are with high quality. Can we say the high-quality rate remains 30% using level of significance (alpha symbol)=0.05 ? We can find that n(pi)=15 x 0.3 = 4.5 <= 5 (in reality, n(pi) is […]

Coding Theory Case Study

Write a 750- to 1,250-word paper in which you complete the following Coding Theory Case Study Explain the theory in your own words based on the case study and suggested readings. Include the following in your explanation: Error Detecting Codes Error Correcting Codes Hamming Distance Perfect Codes Generator Matrices Parity Check Matrices Hamming Codes Give an example of how […]