Question 9 You survey 41 campers and ask them to rate how much fun they had...
im so grateful for all the help! thank you in advance !! this
means so much to me you havw no idea
1
2
3
4
At least one of the answers above is NOT correct. (1 point) (a) Find the P-value for the test statistic z = -1.32 for the following null and alternative hypotheses: Ho: The population mean is 18. H : The population mean is less than 18. The P-value is 0.000347 (b) Find the P-value for...
Question 1 You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats, You sample 50 men, and 45% own cats. You sample 130 women, and 85% own cats. Find P (p-bar), as a decimal, rounded to two decimal places. Submit Question Question 2 You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats....
please help. thank you so much !!
1
2
0.0702 0.0702 incorrect incorrect At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) A random sample of 100 observations from a population with standard deviation 8.31 yielded a sample mean of 91.5. Part 1: Part 2: - Part 3 Given that the null hypothesis is p = 90 and the alternative hypothesis is x 90 using a = .05, find the following:...
thank you for all the help! i appreciate everythjng!
1
2
3
(1 point) A random sample of 100 observations from a population with standard deviation 8.31 yielded a sample mean of 91.5. Part 1: Part 2: Part 3: Given that the null hypothesis is j = 90 and the alternative hypothesis is #90 using a = .05, find the following: (a) Test statistic = (b) P-value: Note: Round off the test statistic to 2 decimal places and the P-value...
Question 5 0.33 pts A survey asked the following question: "About how much time (in minutes) do you study on a typical weeknight?" to a randomly selected group of 46 first-year ASU students. The sample mean was 118 minutes. Let u be the mean study time of all first-year ASU students. Assume the population standard deviation is o = 65 minutes. Suppose you wanted to test is u is less than 2 hours: HO: u = 120 Ha: u <120...
Please answer all sections as this is one question. Thank you so
much! B)
C)
24. + -18 points BBBasicStat8 10.3.005. My Notes + Ask Your Teacher For one binomial experiment, n = 75 binomial trials produced r = 60 successes. For a second independent binomial experiment, n = 100 binomial trials produced r = 85 successes. At the 5% level of significance, test the claim that the probabilities of success for the two binomial experiments differ. (a) Compute the...
You are the manager of a restaurant that delivers pizza to college dormitory rooms. You have just changed your delivery process in an effort to reduce the mean time between the order and completion of delivery from the current 25 minutes. A sample of 36 orders using the new delivery process yields a sample mean of 22.4 minutes and a sample standard deviation of 6 minutes. Perform a hypothesis test to determine if there’s evidence that the population mean delivery...
9. Using the values that you found in numbers 1 and 2, perform the following hypothesis test. At a 10% significance level, test the claim that the women’s mean completion time is greater than ___________ (the men’s mean completion time). Use the samples to find the mean completion time of the for the male runners- 29.91 female runners- 31.57 Use the samples to find the sample standard deviation of the completion times for the male runners- .66 female runners- 1.17...
Hope you can answer them, thank you QUESTION 13 Your client has a gut feeling (she uses the force) that the average house price in Lincoln Dark is $450K. You decide to use the previously collected data. Your sample size is 25 houses. The average based on the sample is $500K. The sample standard deviation is $100K. Test the hypothesis that the average house price in Lincoln Dark is $450K against the alternative that it is not. Use alpha 10%....
A "sleep habits" survey answered by 25 randomly selected New Yorkers contained the question "How much sleep do you get per night?" The sample average was 7.68 hours, with a corresponding sample standard deviation of 0.8 hours. Conduct a hypothesis test to see if there is evidence that New Yorkers (who live, after all, in "the city that never sleeps") on average get less than 8 hours of sleep per night, using a=0.05. a. The t test statistic is: Round...