ZuoTi.Pro
Question

Recent study stated that if a person chewed gum, the average number of sticks of gum...

Recent study stated that if a person chewed gum, the average number of sticks of gum he or she chewed daily was 8. To test the claim, a researcher selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per day was 9. The standard deviation of the population is 1.

What would your conclusion be if the p-value of the test is equal to 0.00?
math   Statistics-And-Probability   
1 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Solution! Given that, x=9 6= 1 n=36 el= 8 Ho: 4 = 8 Ha: el #8 This is two-tailed test Test statistic, ZX-4 61n 1735 The test

0 0
Add a comment
Know the answer?
Add Answer to:
Recent study stated that if a person chewed gum, the average number of sticks of gum...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Recent study stated that if a person chewed gum, the average number of sticks of gum...

    Recent study stated that if a person chewed gum, the average number of sticks of gum he or she chewed daily was 8. To test the claim, a researcher selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per day was 9. The standard deviation of the population is 1. a) Find a 95% confidence interval for the average number of sticks of gum he or she chewed daily b) Explain...

  • A recent study found that the average life expectancy of a person living in Africa is...

    A recent study found that the average life expectancy of a person living in Africa is 53 years with a standard deviation of 7.5 years. If a group of 40 people were selected at random, the probability that their mean life expectancy is less than 55 is?

  • A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels...

    A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels that this average is too high. She selected a random sample of 15 smokers and found that mean number of cigarettes they smoked per day was 28. The sample standard deviation was 2.4. At Alpha αequals 0.05 is there enough evidence to support her claim?Assume that the population is approximately normally distributed.

  • A recent research study reported that Americans spend an average of 3.6 hours on social media...

    A recent research study reported that Americans spend an average of 3.6 hours on social media - per person per day. If the standard deviation for the number of hours of social media per day is 3 and a random sample of 145 Americans is selected for further study, answer the following questions about the sampling distribution: 1) The mean of this sample of n=145 belongs to a sampling distribution. What is the shape of this sampling distribution? 2) What...

  • 7-8 Final Exam Review BUSI 2370.pdf 7) A recent study focused on the number of times...

    7-8 Final Exam Review BUSI 2370.pdf 7) A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below. Sample Size Sample Mean Population Standard Deviation 28 23 Women 30 25 Men At the 0.01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? Based on the p-value, what is your conclusion? A) Reject the...

  • (7.5 points) According to a recent study, the average American spent $10,345 on health care in...

    (7.5 points) According to a recent study, the average American spent $10,345 on health care in 2016. A researcher wants to know if the amount of money residents in Louisville spend on health care is different than this national average. A survey of 300 randomly selected residents found that they spent an annual average of $9,730 on health care in 2016 with a standard deviation of $8,227. The researcher plans to run a hypothesis test at a 5% level of...

  • QUESTION 6 A researcher claims that the average yearly consumption of soft drinks per person is...

    QUESTION 6 A researcher claims that the average yearly consumption of soft drinks per person is less than 60 gallons. In a sample of 85 randomly selected people, the mean of the yearly consumption was 58.8 gallons. The standard deviation of the population is 7.5 gallons. At = 0.005, test the researcher's claim. What is the test statistic for this problem? -1.60 -1.70 OOOO

  • 3.. A recent study focused on the number of times men and women send a Twitter...

    3.. A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below. Sample size Sample Mean Population Standard Deviation Men 25 23 5 womean 30 28 10 At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the p-value for this hypothesis test? Show all your work

  • In Chapter 10 you study two different types of hypothesis​ tests: -Claim about a Population Proportion...

    In Chapter 10 you study two different types of hypothesis​ tests: -Claim about a Population Proportion -Claim about a Population Mean An example of each is given below. For each​ one, state which type of test it​ is, define the parameter in​ question, and write the null hypothesis for the test symbolically​ (use the math palette if necessary for appropriate​ symbols). ​(a) A research hospital tries a new antibiotic scrub before surgery to see whether it can lower the rate...

  • According to a recent study, the population of U.S. citizens spend, on average, 30 hours per...

    According to a recent study, the population of U.S. citizens spend, on average, 30 hours per week watching television, with a standard deviation of 5.25 hours. If a random sample of n = 36 consumers is drawn from this population, what is the probability that the sample mean will be no more than 29.3 hours per week?

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT