MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
expand_more
expand_more
format_list_bulleted
Question
thumb_up100%
The height of women ages 20-29 is normally distributed , with a mean of
64.3
inches. Assume
σ=2.5
inches. Are you more likely to randomly select 1 woman with a height less than
66.1
inches or are you more likely to select a sample of
17
women with a mean height less than
66.1
inches? Explain.LOADING...
LOADING...
Question content area bottom
Part 1
What is the probability of randomly selecting 1 woman with a height less than
66.1
inches?enter your response here
(Round to four decimal places as needed.)Part 2
What is the probability of selecting a sample of
17
women with a mean height less than
66.1
inches?enter your response here
(Round to four decimal places as needed.)Part 3
Are you more likely to randomly select 1 woman with a height less than
66.1
inches or are you more likely to select a sample of
17
women with a mean height less than
66.1
inches? Choose the correct answer below.It is more likely to select 1 woman with a height less than
66.1
inches because the probability is lower.It is more likely to select a sample of
17
women with a mean height less than
66.1
inches because the sample of
17
has a higher probability.It is more likely to select 1 woman with a height less than
66.1
inches because the probability is higher.It is more likely to select a sample of
17
women with a mean height less than
66.1
inches because the sample of
17
has a lower probability.Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by stepSolved in 4 steps with 1 images
Knowledge Booster
Similar questions
- The height of women ages 20-29 is normally distributed, with a mean of 63.9 inches. Assume o = 2.5 inches. Are you more likely to randomly select 1 woman with a height less than 65.6 inches or are you more likely to select a sample of 16 women with a mean height less than 65.6 inches? Explain. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table. What is the probability of randomly selecting 1 woman with a height less than 65.6 inches? (Round to four decimal places as needed.) What is the probability of selecting a sample of 16 women with a mean height less than 65.6 inches? (Round to four decimal places as needed.) Are you more likely to randomly select 1 woman with a height less than 65.6 inches or are you more likely to select a sample of 16 women with a mean height less than 65.6 inches? Choose the correct answer below. A. It is more likely to select 1 woman with a height less than 65.6 inches because the probability…arrow_forwardDoes Hypnotism Relieve Pain? The table shows the pain levels of patients before and after hypnotism. Pain level is measured on a cm scale. Assume that the two samples are randomly selected. At the 0.05 significance level, test the claim that the mean difference has increased after hypnotism.(Be sure to subtract in the same direction).arrow_forwardQ6arrow_forward
- Does Hypnotism Relieve Pain? The table shows the pain levels of patients before and after hypnotism. Pain level is measured on a cm scale. Assume that the two samples are randomly selected. At the 0.01 significance level, test the claim that the mean difference has increased after hypnotism.(Be sure to subtract in the same direction). Before (cm) After (cm) Difference (cm) 7 3 6.2 4.2 11 6 7.3 6.3 10.1 10.1 7.5 6.5 10.9 6.9 8.6 3.6 What are the correct hypotheses? (Select the correct symbols and values.)H0: Select an answer s₁² x̄₂ μ₁ μ p x̄₁ μ(d) σ₁² ? = ≠ ≥ > < ≤ Select an answer μ₁ σ₁² μ₂ μ 0 s₁² x̄₁ p x̄₂ H1: Select an answer s₂² μ μ(d) x̄₂ σ₂² x̄₁ μ₁ μ₂ p ? ≠ = < ≥ > ≤ Select an answer s₁² p 0 μ₂ x̄₂ x̄₁ σ₁² μ₁ μ Original Claim = Select an answer H₀ H₁ df = Based on the hypotheses, find the following: Test Statistic = (Round to three decimal places.)Critical value(s) = (Round to three decimal places.)p-value = (Round…arrow_forwardThe height of women ages 20-29 is normally distributed, with a mean of 64.6 inches. Assumeo=2.7 inches. Are you more likely to randomly select 1 woman with a height less than 67.1 inches or are you more likely to select a sample of 8 women with a mean height less than 67.1 inches? Explain. E Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table. What is the probability of randomly selecting 1 woman with a height less than 67.1 inches? (Round to four decimal places as needed.)arrow_forwardThe average house has 11 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 14 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 12, 13, 12, 12, 12, 11, 13, 12, 13, 11, 10, 12, 11, 13 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: Select an answer H1: Select an answer c. The test statistic ? ▼ (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is (? v f. Based on this, we should | Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the population mean is not significantly more than 11 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of paintings that are in teachers' houses…arrow_forward
- Below is a random sample of measured verbal IQ (IQV) scores from 20 children. 61 82 70 72 72 95 89 57 116 95 82 116 99 74 100 72 126 80 86 94 Include appropriate titles and labels as you complete the following: Construct a stem and leaf plot for the data. Find the mean, median, & mode of the data. Find the range, variance, and standard deviation of the data.arrow_forwardhelparrow_forwardA statisican that is a sports enthusiast estimated the mean cost for regular season upper level NBA tickets. They determined the mean cost to be between $52 and $78. What is the sample mean (7) ? A What is the margin of error (E)? AVarrow_forward
- The height of women ages 20-29 is normally distributed, with a mean of 64.2 inches. Assume σ=2.8 inches. Are you more likely to randomly select 1 woman with a height less than 64.9 inches or are you more likely to select a sample of 20 women with a mean height less than 64.9 inches? Explain. LOADING... Click the icon to view page 1 of the standard normal table. LOADING... Click the icon to view page 2 of the standard normal table. What is the probability of randomly selecting 1 woman with a height less than 64.9 inches? enter your response here (Round to four decimal places as needed.)arrow_forwardIt is commonly believed that the mean body temperature of a healthy adult is 98.6° F. You are not entirely convinced. You believe that it is higher than 98.6° F. The temperatures for 12 randomly selected healthy adults are shown below. Assume that the distribution of the population is normal. 100.1, 96.8, 98.7, 100, 99.1, 98.3, 97.5, 100.9, 99.1, 100, 98.1, 100.1 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Ha: Select an answer Select an answer c. The test statistic O Question Help: (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) d. The p-value = e. The p-value is a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... There is sufficient evidence to conclude that the population mean body temperature for healthy adults is higher than 98.6° F. There is not sufficient…arrow_forwardThe scores of individual students on the American College Testing (ACT), a college readiness assessment, have a Normal distribution with a mean of 18.6 and a standard deviation of 6.0. At Northside High, 36 seniors take the test. Assume the scores at this school have the same distribution as national scores. What is the mean of the sampling distribution of the sample mean score for a random sample of 36 students? 0 1 0 6arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman