I need help with these questions. O Stats B: Using the CLT to Describe Xsted.cuny.edu/webapps/assessment/take/launch.jsp?course_assessment id%3 1726759 1&course_id%3 1979437 18&content_id=_53690130_18&step=nully! math ansers - Yahoo Search Resu xv Question Completion Status:QUESTION 1Approximately 7% of the population has the O- blood-type. If you drew a random and independent sample of 2065 people, whatproportion of the sample are expected to have O- blood? Write your answer as a decimal.QUESTION 2Approximately 7% of the population has the O- blood-type. If you drew a random and independent sample of 2065 people, whatwould be the expected number of successes within the sample? (Round to the nearest whole person).QUESTION 3Approximately 7% of the population has the O- blood-type. If you drew a random and independent- sample of 2065 people, whatwould be the expected number of failures? (Round the nearest whole person).Approximately 7% of the population has the O- blood-type. Calculate the estimate of the standard error for a randomand independent sample of 2065 people. Round to the thousandths place.QUESTION 4Save All AnswersClick Save and Submir to saue and subrmit. Click Save Alldnswers to save all answers

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Approximately 7% of the population has the O- blood-type. If you drew a random and independent sample of 2065 people, w proportion of the sample are expected to have O- blood? Write your answer as a decimal. OUESTION 3

Approximately 7% of the population has the O- blood-type. If you drew a random and independent sample of 2065 people, w proportion of the sample are expected to have O- blood? Write your answer as a decimal. OUESTION 3

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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A marketing firm wishes to test the effectiveness of the audio/visual presentation of certain information as opposed to the purely audio presentation of the information. To this end 100 volunteers were given a 10 minute presentation in which the information was presented in an audio/visual format. A second group of 100 volunteers was presented the same information in a purely audio format. Each person in each of the two groups was asked the same 20 questions related to the information in the presentation. The audio/visual group had an average of 10.5 correct responses with a sample standard deviation of 4. The purely audio group had an average of 9.4 correct responses with a standard deviation of 3. The marketing firm believes this means that the audio/visual format leads to better retention of the information. We test the hypotheses H0: 1 -2=0 versus Ha: 1 -2>0 at a 2% level of significance. Here denotes 1 the population average number of correct responses for…
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