Homework 3 Probability 1. As part of a Pick Your Prize promotion‚ a store invited customers to choose which of three prizes they’d like to win. They also kept track of respondents’ gender. The following contingency table shows the results: | MP3 Player | Camera | Bike | Total | Men | 62 | 117 | 60 | 239 | Woman | 101 | 130 | 30 | 261 | Total | 163 | 247 | 90 | 500 | What is the probability that: a. a randomly selected customer would pick the camera? 247/500= 0.494=
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The results of the statistical test did not support the hypothesis. The statistical test proves that the null hypothesis can be accepted regarding temperature impacting weight. However‚ we accept the hypothesis regarding conductivity. The test shows that the conductivity of a cell submerged in a solution can be altered with changes in temperature as the independent variable. However‚ the test shows that we accept the null hypothesis for weight change because weight is not impacted by temperature
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In this study I am going to investigate the effect of caffeine on Daphnia (water fleas) heart rate. I shall use daphnia as they would never have been exposed to caffeine before‚ unlike a human‚ who may have already developed a high tolerance to it. Another reason is that Daphnia have a very translucent body; therefore‚ it is relatively easy to see their heart under a microscope‚ which makes it easier to count the number of heartbeats‚ thus‚ making my results more accurate. Hypothesis- Their
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What was the general hypothesis tested in this study? (i.e.‚ What is the question that researchers are trying to answer across the two experiment?) (2 pts) The general hypothesis tested in this study concerns the effectiveness of classical moral storytelling as a promoter of virtues in 3- to -7- year-old children. Specifically‚ researchers aimed at determining how this type of fiction might educate children on honesty‚ as well as warn them about the consequences of lying. For this reason‚ they conducted
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environment gave the participants no stimuli. This caused the heart rate slightly increase or decrease by less than 1.00 bpm. It is also possible that the heart rate of the participants had no change. The stressful environment presented multiple stressful and discomforting stimuli. These stimulates caused the heart rate to drastically increase more than 25 bpm. The difference between both environment’s completed means estimated to 45.00 bpm. This is a significant number in the greater sense that
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CBSE CCE good or Bad‚ Hate it or Like it? Central Board of Secondary Education (CBSE) had introduced grading system and the board has started continuous and comprehensive evaluation (CCE) system from October‚ under which students would not only be graded in five subjects but they would also be assessed keeping their holistic development in mind. Many People are happy with the new CCE system‚ one mother says “The CCE has some good effects too. My son is an average student‚ but since the
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Many people believe that the lunar effect on birth rate causes more babies to be born around a full moon‚ but different studies have found different results. In Phoenix‚ between 1995 and 2000 a study was conducted to test this theory and the results were that although there exists a popular
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Alaskan Pea Plant Sowing Depth Experiment By Ian Armstrong Table of Contents Review of Literature pg. 2-3 Hypothesis pg.3 Variables and Groups pg. 4 Materials pg.4 Procedure pg.4-5 Results pg.5-6 Discussion of Results pg.6-8 Bibliography pg.8-9 Review of Literature Alaskan peas have the shortest growing season of all pea types. This strain was developed to adapt to short growing seasons and colder climates. They were developed in 1881 by Thomas Laxton. They grow to be approximately 3 feet
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ENG 101-210 ESSAY #1 Self knowledge is crucial for individual and society. How does Cisneros demonstrate this‚ and how can you relate? If you look in the Dictionary for the word self-knowledge it says‚ “self-knowledge is the knowledge or understanding of one’s own capabilities‚ character‚ feelings‚ or motivations”. Many people find themselves in difficult situations all the time. Some don’t fight to overcome this‚ but some do. It is even more difficult when that happens to kids‚ because they
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Shalini Prasad Ajith Rao Eeshoo Rehani DEVELOPING HYPOTHESES & RESEARCH QUESTIONS 500 RESEARCH METHODS SEPTEMBER 18TH 2001 DEVELOPING HYPOTHESIS AND RESEARCH QUESTIONS DEVELOPING HYPOTHESES & RESEARCH QUESTIONS Introduction Processes involved before formulating the hypotheses. Definition Nature of Hypothesis Types How to formulate a Hypotheses in Quantitative Research Qualitative Research Testing and Errors in Hypotheses Summary DEVELOPING HYPOTHESES & RESEARCH QUESTIONS The
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