Biyoloji Ödev Yardımı
Biyoloji öğrenmenin en zorlu kısmı, öğrencilerin biyolojinin mikroskobik dünyasını anlamalarını, hücrelerin içine nasıl girip genleri ve molekülleri nasıl keşfedeceklerini nasıl sağlayacaklarıdır. Ancak bilgi teknolojisinin gelişmesiyle birlikte, ne kelimelerin ne de resimlerin biyoloji konularını tam olarak açıklayamadığı durumlarda biyoloji ödevi yardımı önemli bir rol oynayabilir.
QuestionAI, çeşitli deneyler ve ilgili alıştırmalar dahil olmak üzere, yaygın biyoloji soruları yardımcısından temel olarak farklı olan, biyoloji bilgisini öğrenmenize ve uzmanlaşmanıza yardımcı olan bir çevrimiçi biyoloji öğrenme yazılımıdır. Burada, bilgi noktalarını öğrenmek ve anlamak için sığdan derine, katman katman deneysel senaryoları yeniden oluşturmak için deneyleri simüle edebilirsiniz.
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- Name and Surname: CYPRUS INTERNATIONAL UNIVERSITY DEPARTMENT OF BASIC SCIENCES & HUMANITIES FACULTY of ARTS & SCIENCES STAT102-BIOSTATISTICS-II SPRING 2021-2022 MIDTERM EXAM Instructor(s): Asst. Prof. Dr Zalihe YARKINER 12.04.2022-60 MINUTES Q1.Suppose a researcher, interested in obtaining an estimate of the average level of some enzyme in a certain human population, takes a sample of 10 individuals, determines the level of the enzyme in each, and computes a sample mean of bar (x)=22 Suppose further it is known that the variable of interest is for population mean mu . approximately normally distributed with a variance of 45. We wish to estimate 95% interval a) 17.20leqslant mu leqslant 26.80 b) 17.74leqslant mu leqslant 25.16 c) 17.54leqslant mu leqslant 27.16 d) 17.84leqslant mu leqslant 26.16 Student No: Q2. The Pew Internet and American Life Project reported in 2003 that 18 percent of Internet users have used it to search for information regarding experimental treatments or medicines. The sample consisted of 1220 adult Internet users, and information was collected from telephone interviews.We wish to construct a 95 percent confidence interval for the proportion of Internet users in the sampled population who have searched for information on experimental treatments or medicines. a) 0.158leqslant pleqslant 0.202 b) 0.148leqslant pleqslant 0.102 c) 0.168leqslant pleqslant 0.212 d) 0.178leqslant pleqslant 0.232 Q3. Diskin et al.studied common breath metabolites such as ammonia, acetone,isoprene, ethanol, and acetaldehyde in five subjects over a period of 30 days. Each day breath samples were taken and analyzed in the early morning on arrival at the laboratory. For subject A, a 27-year-old female the ammonia concentration in parts per billion (ppb) followed a normal distribution over 30 days with mean 491 and standard deviation 119. What is the probability that on a random day, the subject'; ammonia concentration is between 292 and 649 ppb? a) 0.0475 b) 0.9082 c) 0.34 d) 0.8607 Q4. The statement "If there is sufficient evidence to reject a null hypothesis at the 10% significance level, then there is sufficient evidence to reject it at the 5% level" is: Please select the best answer of those provided below. a) Always True b) Never True c) Sometimes True; the p-value for the statistical test needs to be provided for a conclusion d) Not Enough Information;this would depend on the type of statistical test used