EspañolTen percent of the world's population is left-handed. A researcher claims that left-handed individuals are more creative than thosewho aren't left-handed. In order to support his claim, he takes a sample of 900 artists and finds that 11 % of them are left-handed.Answer the following. (If necessary, consult a list of formulas.)(a) Find the mean of p, where p is the proportion of left-handed individuals in a random sample of圖900.0.10(b) Find the standard deviation of p.0.01Aa(c) Compute an approximation for P(p<0.11 ), which is the probability that there will be 11 % orfewer left-handed people in a random sample of 900. Round your answer to four decimal places.AMsvgExplanationCheck© 2022 McGraw Hill LLC. AlI Rights Reserved. Terms of Use | Privacy Center| Accessibility**** . ...MacBook AirDII80F9F10F11F4FSF6F1F2F3@23$&47QERTYP

Given dataTen percent of the worlds population are left handed.A researcher took a sample of 900…

Answered: Ten percent of the world's population…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The following two-by-two table was created from the data. WAKE UP DURING THE NIGHT GENDER Yes No TOTAL Female 125 25 150 Male 91 30 121 TOTAL 216 55 271 What is the risk (probability) of waking up during the night if you are a female? What is the risk (probability) of waking up during the night if you are a male? What is the relative risk (risk ratio) of waking up during the night if you are a female as compared to a male? State your finding in plain language:
About 5% of the population has a particular genetic mutation. 700 people are randomly selected.Round your answer to three decimal places.(a) Find the mean for the number of people with the genetic mutation in such groups of 700.
About 3% of the population has a particular genetic mutation. 700 people are randomly selected.Find the mean for the number of people with the genetic mutation in such groups of 700. (Round to 2 decimal places if possible.)
Jason collects information about annual family income from each student at his college. He computes both the mean and median family income across all students and is surprised to find that the mean income is much higher than the median income. What is the most likely reason for the difference in the mean and the median? Select one: a. The sample size is too small. b. The median tends to produce lower estimates of central tendency. c. The median is not an appropriate estimate for annual family income's level of measurement. Incorrect d. The mean is more affected by a small number of extreme values.
The national distribution of fatal work injuries in a country is shown in the table to the right under National %. You believe that the distribution of fatal work injuries is different in the western part of the country and randomly select 6231 fatal work injuries occurring in that region. At a = 0.05 National % 42% Western Frequency 2893 Cause Transportation can you conclude that the distribution of fatal work injuries in the west is different from the national distribution? Complete parts a through d below. Equipment Assaults Falls Harmful fumes 19% 1157 14% 806 13% 753 10% 532 Fires 2% 90 a. State Ho and H and identify the claim. What is the null hypothesis, Ho? O A. The distribution of fatal work injuries in the west is 42% transportation, 19% equipment, 14% assaults, 13% falls, 10% harmful fumes, and 2% fires O B. The distribution of fatal work injuries in the west differs from the expected distribution. O C. The distribution of fatal work injuries in the west is 2893…
You are interested in the development of language in bilinguals. You are able to locate five families in the world with 18-month-old toddlers who are learning both Japanese and Amharic simultaneously. Given that these are the only families that fit this qualification, therefore, these five families are your study population. You test the children to see how many words they can speak in Japanese. The results are listed in the following table: Toddler A P Calculate the mean for this population. B Complete the following table. UO B C Toddler Number of Words (X) 26 48 37 28 с D E D Number of Words in Japanese 26 48 37 28 41 E 41 X-p (x-μ)² Calculate the variance and standard deviation for this population.
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 81 57 61 80 71 91 63 61 85 77 88 64 59 53 86 54 96 60 82 67 70 85 81 91 84 78 86 69 65 79 Find the means. The mean for males is beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.
ath ess Most Watched Ani... A pharmaceutical company claims their new diabetes medication results in less variance in a patient's glucose level than if the patient were on no medication at all. An endocrinologist wishes to test this claim. She divides participants randomly into two groups. Group A consists of 20 diabetics who received the medication; group B consists of 26 diabetics who received a placebo. After two weeks, the blood sugar level of each patient in each group was measured with the following results (in mg/dL): Group A: 77.8, 229.4, 199.9, 110.1, 180.2, 116.1, 139.7, 171.1, 37.4, 158.1, 88.4, 195.5, 246.1, 142.4, 178.1, 105.5, 179.6, 146.1, 78.8, 123.7 Group B: 124.5, 130.1, 136, 162.8, 113.4, 72.8, 142.6, 50.3, 179.8, 197, 230, 194.3, 171, 109.3, 114.4, 107.5, 114.7, 195.3, 127.7, 126.4, 85.6, 166.7, 182.3, 113.5, 216.7, 162.8 Ho: Perform a hypothesis test using a 6% level of significance to test the pharmaceutical company's claim. Step 1: State the null and alternative…
Which of the following is TRUE about the mean of the sampling distribution of the sample means? It is less than the population mean. It is not related to the population mean. It is equal to the population mean. It is greater than the population mean.
Below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Security Service Company: Other Companies: Find the coefficient of variation for each of the two samples, then compare the variation. 1.5 1.5 1.6 1.9 The coefficient of variation for the amount collected by the security service company is 2.5%. (Round to one decimal place as needed.) 1.7 1.6 (...) 1.3 1.8 1.5 1.6 1.3 1.9 1.7 1.6 1.6 1.5 1.3 1.9 1.6 D 1.6
Questions 1, 2 and 3. In a survey of daily internet game time usage by college school students, a sample of 7 students provided the following data: 3 1.5 2.2 1.5 0.5 2.5 1 Find the mean of the data.
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. D there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 82 53 91 88 72 68 85 87 90 91 88 70 92 77 63 94 82 86 64 Find the means. The mean for males is 71.9 beats per minute and the mean for females is 80.6 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Find the medians. The median for males is 71 beats per minute and the median for females is 85 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Compare the results. Choose the correct answer below. OA. The mean and median appear to be roughly the same for both genders. OB. The mean and the median for males are both lower than the mean and the median for females. OC. The mean and the median for females are both lower than the mean and the median for males.…

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