What is the lower class limit for the interval 76-80? Ara's grade is the 80th percentile, in which class interval she belongs?
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What is the lower class limit for the interval 76-80?
Ara's grade is the 80th percentile, in which class interval she belongs?
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- What is a factorial, and how is it denoted? Use an example to illustrate how factorial notation can be beneficial.Determine whether the check digit of the ISBN-10 for this textbook (the eighth edition of Discrete Mathematics and Its Applications) was computed correctly by the publisher.A new drug is released to market and it has been determined that the drug is responsible for causing hypertension among those individuals who take the drug. If 30,276 individuals were prescribed the drug in its first year on the market and 17,620 individuals developed hypertension, what is the point prevalence of hypertension among those individuals prescribed the drug, after the drug’s first year on the market? 0.00582 0.05820 0.58200 5.82000
- Probability and Statistics for CS in latex codeVery few testing procedures are absolutely perfect. This has become particularly apparent with thediscussion of sensitivity and specificity of COVID-19 Rapid Antigen (RAT) tests recently. Thesehave often been compared to the gold standard Polymerase Chain Reaction (PCR) test.The information booklet for a high quality RAT test provides details for sensitivity and specificity.RAT tests were applied to 101 subjects who where known to have COVID-19. Of those, 91 resultedin a positive RAT test. Another 305 subjects who were known not to be infected with COVID-19were tested using the RAT test and 303 of them tested negative.Looking on the NSW Health Website, there are currently 166,957 active cases of COVID-19 in NSWout of a population of 8,160,000 people.Let C be the event that someone has COVID-19 and therefore Ccis the event that someone doesnot have COVID-19. Let P be the event that someone tests positive for COVID-19 and thereforeP cis the event that someone tests negative for…A group of professors investigated first-year college students' knowledge of astronomy. One concept of interest was the Big Bang theory of the creation of the universe. In a sample of 146 freshmen students, 37 believed that the Big Bang theory accurately described the creation of planetary systems. Based on this information, is it correct at the α=0.01 level of significance to state that more than 20% of all freshmen college students believe the Big Bang theory describes the creation of planetary systems?
- Suppose a sample of 30 students were given a diagnostic test before studying a particular module and then again after completing the module. We want to find out if, in general, our teaching leads to improvements in students’ test scores. Test/analysis: _________________________________________________________________________ Give H0, H1: _________________________________________"Statistically Z-Test can be used if the sample is large ( n > 30 ) even population SD is not given". Justify this statement either by proving algebraically or computation.Is there a significant difference on the ratings of the respondents on X15 when grouped according to X2? Statement of the Problem: Is there a significant difference on New Product – X15 when grouped according to Industry Type – X2? Null Hypothesis: There is no significant difference on New Product – X15 when grouped according to Industry Type – X2. Note: The coding for Industry Type is 0 for Magazine Industry and 1 for Newsprint Industry. Interpret the T-Test Result
- Very few testing procedures are absolutely perfect. This has become particularly apparent with the discussion of sensitivity and specificity of COVID-19 Rapid Antigen (RAT) tests recently. These have often been compared to the gold standard Polymerase Chain Reaction (PCR) test. The information booklet for a high quality RAT test provides details for sensitivity and specificity. RAT tests were applied to 101 subjects who where known to have COVID-19. Of those, 91 resulted in a positive RAT test. Another 305 subjects who were known not to be infected with COVID-19 were tested using the RAT test and 303 of them tested negative. Looking on the NSW Health Website, there are currently 166,957 active cases of COVID-19 in NSW out of a population of 8,160,000 people. Let C be the event that someone has COVID-19 and therefore Cc is the event that someone does not have COVID-19. Let P be the event that someone tests positive for COVID-19 and therefore Pc is the event that someone tests negative…Very few testing procedures are absolutely perfect. This has become particularly apparent with the discussion of sensitivity and specificity of COVID-19 Rapid Antigen (RAT) tests recently. These have often been compared to the gold standard Polymerase Chain Reaction (PCR) test.The information booklet for a high quality RAT test provides details for sensitivity and specificity.RAT tests were applied to 101 subjects who where known to have COVID-19. Of those, 91 resulted in a positive RAT test. Another 305 subjects who were known not to be infected with COVID-19 were tested using the RAT test and 303 of them tested negative.Looking on the NSW Health Website, there are currently 166,957 active cases of COVID-19 in NSW out of a population of 8,160,000 people.Let C be the event that someone has COVID-19 and therefore C1 the event that someone does not have COVID-19. Let P be the event that someone tests positive for COVID-19 and therefore P1 the event that someone tests negative for…Essentials of DISCRETE MATHEMATICS
