Determining Precision, Greatest Possible Error, and Margin of Error for a Measuring Tool The numbers on this ruler represent centimeters. What is the precision of this ruler? 1.70 cm cm What is the greatest possible error for the measurement indicated by the arrow? cm What is the margin of error for the measurement based on where the arrow is pointing on the ruler? 1 3 4 cm to 1.75 cm

Determining Precision, Greatest Possible Error, and Margin of Error for a Measuring Tool The numbers on this ruler represent centimeters. What is the precision of this ruler? 1.70 cm cm What is the greatest possible error for the measurement indicated by the arrow? cm What is the margin of error for the measurement based on where the arrow is pointing on the ruler? 1 3 4 cm to 1.75 cm

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter7: Percents

Section7.2: Percents And Proportions

Problem 18E

See similar textbooks

Similar questions

A summer program to decrease liter was carried out in 4 cities. Below we look at litter rates in June 2011 and September 2011. The amount of litter is presented below. June September 9 2 10 4 8 9 9 1 A, What is SMd? B, What is negative tcrit for an α=0.01? C, What is tobs?
Rafael Nadal, a profossional tennis player believes he can make 70% of his first serves that are at least 110 mph. His friends believe the percentage should be smaller than 70% They challenged Ralato do 400 first-serves. Rafa successfully served 255 tinesThe null hypothesis is that he can serve 70% of his first servesa) Find the observed percentage and the standard error for percentage. Round the standard error to the nearest tenth of a porcent(for example 6.3%6). Hint The SD for the box model isb) Compute the z-stalistic. Round your answer to two decimal placesc) Find te p value Round your answer to the nearest tenth of a percentifor example 6.3%)d) if the significance level is set at 5% do you reject the nulf hypothesis? What about 1%?
Rafael Nadal, a profossional tennis player believes he can make 70% of his first serves that are at least 110 mph. His friends believe the percentage should be smaller than 70% They challenged Ralato do 400 first-serves. Rafa successfully served 255 tinesThe null hypothesis is that he can serve 70% of his first servesa) Find the observed percentage and the standard error for percentage. Round the standard error to the nearest tenth of a porcent(for example 6.3%6). Hint The SD for the box model is___b) Compute the z-stalistic. Round your answer to two decimal placesc) Find the p value Round your answer to the nearest tenth of a percent. For an example 6.3%.d) If the significance level is set at 5% do you reject the nulf hypothesis? What about at 1%?
monique collects data rom a random sample of seventh gradesers in her school and finds that 10 out of 25 seventh graders participate in after school activeities write and solve a proportion to estimate the number of seventh graders n who participate in after school activeities of 190 seventh graders attened monique's school
A market researcher wanted to evaluate the difference in credit charges for customers of Bracy’s. She randomly selected 100 customers and recorded their credit charges in December 2004 and January 2005. Is there evidence to show a difference in credit charges between the two months?Step 1: Step 2: α =Ho: H1:Step 3 Step 4 Step 5 Step 6 Difference: Dec. 2004 - Jan. 2005 Sample Diff: 280.74152 Std. Err: 99.50361 p-value: 0.0058
Sick days During contract negotiations, a company seeks tochange the number of sick days employees may take, sayingthat the annual “average” is 7 days of absence per employee.The union negotiators counter that the “average” employeemisses only 3 days of work each year. Explain how bothsides might be correct, identifying the measure of center youthink each side is using and why the difference might exist.
If the estimated M. ( 35000)$. the percent of n.l.( 10%) from estimated M. the value of Estimated M. + n.l.----
C) Yes, there appears to be a high outlier in the Meters On data D) No, there does not appear to be any outliers
A survey of 45 students indicated that 28 of them eat at the college cafeteria. What is the percent margin of error for the proportion of the students who eat at the college cafeteria? 1)n = ______ 2)p = ______(round to three decimal places) 3)(1-p) = ______ (round to three decimal places) 4)Error in decimal form = ______ ( round to three decimal places) 5) Error in percent form =________ (round to the nearest tenth of a percent)
A survey of 78 snowmobilers revealed that 51 of them have driven under the influence of alcohol. What is the percent margin of error for the estimated proportion of snowmobilers who drive under the influence of alcohol? n = 78 p = (round your answer to three decimal places) (1-p) = (round your answer to three decimal places) E=1.96 Error in decimal form =______ (round to three decimal places) Error in percent form = _______ round to the nearest tenth of a percent
Suppose you are installing new vinyl flooring in your kitchen. You have a medium sized kitchen measuring 13.5 feet by 14.5 feet, but you forgot to take measurements before you went to Home Depot. You do not want to make another trip, so you estimate that you will have to purchase 200 square feet of flooring to have enough material for the project. After you have finished installing the floor, you notice you have some unused material left over. a) What is the percent error for this project? Round the nearest hundredth of a percent. Answer: _______________ b) If the vinyl flooring you purchased costs $3.50 per square foot, what is the cost of the unused material? Answer: ________________
A fair, six-sided die is rolled 7 times. What is the relative frequency of rolling a 3 at least once? A 0.39 B 0.61 C 0.28 D 0.72