Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

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.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9372544

Have any Question?


Related Questions in Statistics and Probability

If the probability of either outcome a or outcome b arising

If the probability of either outcome A or outcome B arising during a single random process is 0.4 and we also know that the probability of outcome A is 0.2 while the probability of outcome B is 0.3, how are these two out ...

What is the sample size for studies with moe of -35 and -28

What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.

If the return on stock a in year 1 was 11 in year 2 was

If the return on stock A in year 1 was 11 %, in year 2 was -10 %, in year 3 was -4 % and in year 4 was 2 %, what was the standard deviation of returns for stock A over this four year period? (Round your answer to 1 decim ...

A if n7 days campus is open and p022 the probability that

A. If n=7 (days campus is open) and p=0.22 (the probability that a student is on campus on any given day), determine the theoretical mean and standard deviation for the number of days on campus each week.

During the winter of 2008-2009 the average utility bill for

During the winter of? 2008-2009, the average utility bill for residents of a certain state was ?$173 per month. A random sample of 30 customers was selected during the winter of? 2009-2010, and the average bill was found ...

A budgeting web site reported thatnbsp20nbspof us

A budgeting Web site reported that 20?% of U.S. households have withdrawn money from a? 401(k) or other retirement account for needs other than retirement in 2013. A random sample of 11 U.S. households was selected. Comp ...

Lee smith imports paid a 100 per share annual dividend last

Lee Smith Imports paid a $1.00 per share annual dividend last week. Dividends are expected to increase by 5% annually. What is one share of this stock worth to you today if the appropriate discount rate is 14%? a. $7.14 ...

During the period from 2011 through 2015 the annual returns

During the period from 2011 through 2015 the annual returns on small U.S. stocks were -3.34 percent, 19.21 percent, 46.95 percent, 2.91 percent, and -4.10 percent, respectively. What would a $1 investment, made at the be ...

An independent measures study with n 6 in each sample

An independent measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12. What is the value for the t statistic?

A logging contractor has three feller bunchers on any given

A logging contractor has three feller bunchers. On any given day, each machine has a 90% chance of working. The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines o ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As