Sentiment for raising the speed limit

Assignment Help Basic Statistics
Reference no: EM13102304

A sample of 300 urban adult residents of a particular state revealed 63 who favored increasing the highway speed limit from 65 to 75 mph, while a sample of 180 rural residents yielded 75 who favored the increase. (HINT: Z Test for Difference in Two Proportions)

Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.

Reference no: EM13102304

Questions Cloud

Delta could successfully file a suit against whom : Beta services is an internet service provider. On a BS online bulletin board, Carl, a BS customer, posts a defamatory remark about Delta Industry. Delta could successfully file a suit against whom?
Illustrate what conclusions will she reach based parameter : She selects this number of invoices and reviews the accuracy of Luck's allocations. Mitchell discovers two errors. Illustrate what conclusions will she reach based on the parameters established?
Complete materials and conversion costs : units transferred out 46,000 and ending work in process 4,000 units that are 100% complete for materials and 30% complete for conversion costs. Unit materials cost is $5 and unit conversion cost is $11.
What are the x and y coordinates of the shell : An artillery shell is red with an initial velocity of 328 m/s at 51.1 degrees  above the horizontal. To clear an avalanche, it explodes on a mountainside 42.1 s after fi ring. What are the (a) x and (b) y coordinates of the shell where it explod..
Sentiment for raising the speed limit : Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.
Binomial distribution-probability : A business owner decides to use a binomial distribution to solve one of his problems. He knows there is a 60 percent probability that he will sell one of his Red Oak floors to any customer who comes into his shop and views the wood.
How much water is need to carry away the heat : A man strides across a bed of embers. Assume the glowing charcoal is covered with a thin layer of ash 0.50 mm thick and is at a temperature of 650C. The thermal conductiviity of ash and charcoal is 1.5 W/ (mxK). (a) Estimate the heat transferred t..
Distinguish abilities as the academic writer : Distinguish your abilities as the academic writer now as opposed to when you began at Axia College. Using four comparatives and four superlatives in your responses.
Determine the magnitude of the net electric field : Four point charges have the same magnitude of 2.53 x 10^-12 C and are fixed to the corners of a square that is 4.15 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Inverse probability based on normal distribution

Inverse probability based on normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?

  Revealing sample information

A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.

  Coin biased toward heads

At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.

  Calculating distribution by normal curve

Assume that for population of students at school, distribution of x is well approximated by normal curve with mean 48 min and standard deviation 4 min.

  Testing the appropriate hypotheses

At the 5% significance level, can the station conclude that the mean age of its listeners is not 25 yrs. Formulate and test the appropriate hypotheses. Use the critical value approach.

  Describe the types of probability

Describe the types of probability  -example of classical probability, empirical probability, or subjective probability.

  Chi-square test for binomial distribution

In a study designed to determine patientâ??s acceptance of a new pain reliever, 100 physicians each selected a sample of 25 patients to participate in the study.

  Margin of error for the estimation

You want to create a 90% confidence interval for the true average number of yards per game he throws. What is the margin of error for this estimate?

  Least squares trend equation

Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.

  Poll to estimate the presidential popularity

In a poll to estimate presidential popularity, each person in a random sample of 1000 voters was asked to agree with one of the following statements:

  Determining probability-geometric distribution

In a recent year Barry Bonds hit 73 home runs in the 153 games he played. Assume that his home run production stayed at that level the following season.

  Linear equation which gives the population from data

Find out a linear equation in the form P = mt + b (y = mx + b) that gives the population, P, t years from 2010.

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