Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Three groups of senior citizens with the different education levels are surveyed to find whether or not they're confused by new medicare drug benefit plan. Using following data, test the hypothesis that there is no significant defference in proportion of seniors confused among the three groups regardless of education level.

Employ 5 % significance level.

Education Level

College +

High School

Less than High School

Total

Number Confused

60

120

160

340

Number Not Confused

90

130

40

260

Total

150

250

200

600

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M917815

Have any Question?


Related Questions in Statistics and Probability

In a survey of 100 people 40 were casual drinkers

In a survey of 100 people, 40 were casual drinkers (event  D ), and 60 did not drink (event  D '  ). Of the ones who drank, 6 had minor headaches. Of the non-drinkers, 9 had minor headaches. Let  D  represent set of surv ...

Provide an example of population parameter sample and

Provide an example of population, parameter, sample, and census in a business research project. Why is it important to define the population clearly and precisely in a business research project?

54 of public high school students are provided a computer

54% of public high school students are provided a computer by their school district. 40 students are selected at random. The random variable represents the number of students who have been provided a computer by their sc ...

An annual survey of first-year college students ask 273000

An annual survey of first-year college students ask 273,000 students about their attitudes on a variety of subjects. According to a recent survey, 57% of first-year students believe that abortion should be legal. Use 0.0 ...

If you want to be 95 confident of estimating the population

If you want to be 95?% confident of estimating the population mean to within a sampling error of ±25 and the standard deviation is assumed to be 125?, what sample size is? required?

Suppose that in a random sample of 100 men between the ages

Suppose that, in a random sample of 100 men between the ages of 60 and 79, you found that 20 had heart disease. According to the central limit theorem, the sample proportion arises from a sampling distribution that is no ...

A manufacturer obtains clock-radios from three different

A manufacturer obtains? clock-radios from three different? subcontractors: 10?% from? A, 30?% from? B, and 60?% from C. The defective rates for these subcontractors are 3?%, 2 %, and 5?% respectively. If a defective? clo ...

1 given the following capital project datacost of

1. Given the following capital project data Cost of automation system (invoice):$730,000 Transportation and installation:$140,000 Training:$100,000 Firm's WACC:9% Firm's tax rate:35% Depreciation 5 years, straight line L ...

Suppose it is known that the response time of healthy

Suppose it is known that the response time of healthy subjects to a particular stimulus is a normally distributed random variable with a mean of 15 seconds and a variance of 16. What is the probability that a random samp ...

You roll a pair of dice one timelet event a be the dice

You roll a pair of dice ONE time. Let Event A be the dice show an odd sum. Let Event B be exactly one of the dice (not both of them) shows a one. b. What is the symbol for the complement of B? ______ c. Describe the comp ...

  • 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