Question

  A survey was conducted to determine the level of support for Alice Jones, a candidate for...

  A survey was conducted to determine the level of support for Alice Jones, a candidate for Congress. Of a SRS of 500 registered voters, 265 said that they supported Ms. Jones’ candidacy. Test the claim that the majority of voters support the candidacy of Alice Jones at the 0.05 level of significance.

a)   Formulate the appropriate claim.

b) Calculate the test statistic.

c)    Find the p-value.

d) Formulate the conclusion statistically.

e)    Formulate the conclusion practically.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A local TV station claims that 60% of people support candidates A, 30% support candidate B,...
A local TV station claims that 60% of people support candidates A, 30% support candidate B, and 10% support candidate C. A survey of 500 registered voters is taken. The accompanying table indicates how they are likely to vote. Candidate A Candidate B Candidate C 350 125 25 Specify the competing hypotheses to test whether the TV station's claim can be rejected by the data. Test the hypothesis a the 1% significance level. Conclusion? Your opinion supported the above questions...
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took...
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of n=1100 registered voters and found that 570 would vote for the Republican candidate. Let p represent the proportion of registered voters in the state who would vote for the Republican candidate. We test H0:p=.50 Ha:p>.50 (a) What is the z-statistic for this test? (b) What is the P-value of the test?
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took...
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of n=1000 registered voters and found that 520 would vote for the Republican candidate. Let p represent the proportion of registered voters in the state who would vote for the Republican candidate. We test H0:p=.50 Ha:p>.50 (a) What is the z-statistic for this test?   (b) What is the P-value of the test?  
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took...
A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a simple random sample of n = 1100 registered voters and found that 570 of those voters would vote for the Republican candidate. Let p represent the proportion of all registered voters in the state who would vote for the Republican candidate. We test the following hypotheses using a significance level of α = 0.05: H0 : p = 0.50 Ha : p >...
The polls just closed Maryland and your candidate wants to claim victory. She calms more than...
The polls just closed Maryland and your candidate wants to claim victory. She calms more than half of the people voted for her. New exit polls indicate 235 of the 500 voters voted for the candidate. Does the new poll support her claim at a 95% confidence level that at least 51% of the voters voted her? (Ho: p >= 0.51) What is the test statistic Round your answer to 2 decimal places)
A recent survey was conducted and the main question asked was "Do you think the use...
A recent survey was conducted and the main question asked was "Do you think the use of marijuana should be made legal, or not?" The poll results are summarized below. Response Count Yes 558 No 367 Undecided 90 At the 1% significance level, do these poll results provide sufficient evidence to support the claim that a majority (i.e., more than half) of U.S. residents are in favor of legalizing marijuana? 1. Define the parameter of interest and state the null...
1) Ms. Maria is considering running for mayor for Bear Gulch.  Before completing the petitions, she conducted...
1) Ms. Maria is considering running for mayor for Bear Gulch.  Before completing the petitions, she conducted a survey of voters in Bear Gulch. A sample of 500 voters reveals 400 would support her in the upcoming election. What is the 95% confidence interval? a. [0.0700,0.0900] b. [0.0844,0.1156] c. [0.07556,0.1244] d. [0.0814,0.1186] 2) The estimate of the population proportion should be within plus or minus 0.05 with a 99% confidence level. The best estimate for the population is 0.42.   How large...
In a survey of a SRS of 463 first-year college students the students were asked about...
In a survey of a SRS of 463 first-year college students the students were asked about studying habits. Among these students the mean response of studying time was 15.3 hours. Suppose we know that study time among similar students varies with standard deviation 8.5 hours. Does this study give statistically significant evidence at the 0.05 significance level that students generally claim to study more than 15 hours per week on average?  For full credit, perform a complete significance test (that is,...
Jim conducted a survey to determine what types of exercise machine are preferred by gym members...
Jim conducted a survey to determine what types of exercise machine are preferred by gym members at a variety of different gyms. He also asked the respondents how long they had been a member of a gym. The results are given below. Test at the 0.05 significance level if the type of exercise machine preferred is independent of the length of time a person had been a member of a gym. Rower Elliptical Treadmill Stationary bike Less than a year...
A survey of 436 workers showed that 192 of them said that it was seriously unethical...
A survey of 436 workers showed that 192 of them said that it was seriously unethical to monitor employee e-mail. When 121 senior-level bosses were surveyed, 40 said that it was seriously unethical to monitor employee e-mail. Use a 0.05 significance level to test the claim that for those saying that monitoring e-mail is seriously unethical, the proportion of employee is greater than the proportion of bosses. a) Write the claim and opposite in symbolic form. b) Identify the Null...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT