Question

Muriel has attended 12 weddings in the last 5 years. On average, these 12 wedding ceremonies...

Muriel has attended 12 weddings in the last 5 years. On average, these 12 wedding ceremonies last for 50 minutes, with a sample standard deviation s =6.5 minutes. Muriel wonders if the real mean for wedding ceremony time is longer than an hour (60 minutes) and she wants to use the data she has collected to test her claim. Assume that the data is Normal. Use 0.05 as the significance level.

Group of answer choices

p-value=0.087, evidence support claim

p-value=1, evidence not support claim

p-value=0, evidence not support claim

p-value=1, evidence support claim

p-value=0, evidence support claim

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 medical researcher wants to study the length of time it takes three types of pain...
A medical researcher wants to study the length of time it takes three types of pain relievers to provide relief from headache pain. The results (in minutes) are shown in the table below. Type 1 Type 2 Type 3 12 16 14 15 14 17 17 21 20 12 15 15 14 19 17 Using the data above, test the claim that the means are equal for all 3 groups. Use 0.05 as the significance level. Round your answer to...
A retired statistics professor has recorded results for decades. The mean for the score for the...
A retired statistics professor has recorded results for decades. The mean for the score for the population of her students is 82.4 with a standard deviation of 6.5 . In the last year, her standard deviation seems to have changed. She bases this on a random sample of 25 students whose scores had a mean of 80 with a standard deviation of 4.2 . Test the professor's claim that the current standard deviation is different from 6.5 . Use α...
A battery company claims that its batteries last an average of 100 hours under normal use....
A battery company claims that its batteries last an average of 100 hours under normal use. After several complaints that the batteries do not last this long, an independent testing laboratory decided to test the company’s claim with a random sample of 42 batteries. The data from the 42 batteries appeared to be unimodal and symmetric with a mean 97 hours and a standard deviation of 12 hours. Is this evidence that the company’s claim is false and these batteries...
the length of major league baseball games is approximately normally distributed and average is 2 hours...
the length of major league baseball games is approximately normally distributed and average is 2 hours and 50.1 minutes, with a standard deviation of 21.0 minutes. It has been claimed that new york yankees baseball games last, on average, longer than the games of the other major league teams. To test the truth of the statement, a sample of 8 yankee games was randomly identified and had a mean length of 190 minutes. Do these data shows sufficient evidence to...
In an effort to improve the mathematical skills of 12 students, a teacher provides a weekly...
In an effort to improve the mathematical skills of 12 students, a teacher provides a weekly 1-hour tutoring session. A pre-test is given before the sessions and a post-test is given after. The results are shown here. Test the claim that there was an increase in the scores. at αα =0.05. You believe that the population is normally distributed, but you do not know the standard deviation. When calculating difference use Post-test minus Pre-test. pre-test post-test 64 57 99 94...
A manager wishes to see if the time (in minutes) it takes for their workers to...
A manager wishes to see if the time (in minutes) it takes for their workers to complete a certain task is faster if they are wearing earbuds. A random sample of 20 workers' times were collected before and after wearing earbuds. Test the claim that the time to complete the task will be faster, i.e. meaning has production increased, at a significance level of α = 0.01 For the context of this problem, μD = μbefore−μafter where the first data...
Need worked out excel solution/formulas for chapter 12, problem 13, wedding planner. Intro to Management Science...
Need worked out excel solution/formulas for chapter 12, problem 13, wedding planner. Intro to Management Science 145 invitations 50 invitations no one will show up For 25- 75% will attend alone, 20% will not attend, 5% will bring someone a companion For 60- 90% attend with companion, 5% will attend alone, and 5% will not attend For the last 10- 80% that they will not attend, 15% will attend alone, 5% will attend with companion. The wedding date for a...
A manager wishes to see if the time (in minutes) it takes for their workers to...
A manager wishes to see if the time (in minutes) it takes for their workers to complete a certain task will increase when they are allowed to wear ear buds at work. A random sample of 10 workers' times were collected before and after wearing ear buds. Assume the data is normally distributed. Perform a Matched-Pairs hypothesis test for the claim that the time to complete the task has increased at a significance level of α=0.05. If you wish to...
Morgan wants to test the speed for two different routes she can take to ride her...
Morgan wants to test the speed for two different routes she can take to ride her bicycle home from work. Route A involves riding her bicycle on a busy road, and Route B involves riding her bicycle along a scenic trail. Morgan collects some initial data, given in the table below: Route A Route B ?⎯⎯⎯=10 minutes ?⎯⎯⎯=7 minutes ?=4 minutes ?=5 minutes ?=7 ?=6 Based on Morgan's initial data, she conducts a hypothesis test to determine whether there is...
Use the following to answer 5 - 8. Among the four northwestern states, Washington has 51%...
Use the following to answer 5 - 8. Among the four northwestern states, Washington has 51% of the total population, Oregon has 30%, Idaho has 11%, and Montana has 8%. A market researcher selects a sample of 1000 subjects, with 450 in Washington, 340 in Oregon, 150 in Idaho, and 60 in Montana. At the .05 significance level, test the claim that the sample of 1000 subjects has distribution that agrees with the distribution of state populations. Which of the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT