A hypothesis test regarding the population mean is based on The samp.pdf

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A golden bar of metal (77 centimeters by 1919 centimeters by 44 centimeters) being transported by armored car is suspected of being fake, made from a less valuable metal with a thin coating of pure gold. The bar is found to have a mass of 3.83.8 kilograms. If the specific gravity of gold is 19.319.3, is the bar fake? Justify your answer. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A.) The bar is fake because the specific gravity of a bar is __________ and it is different from the specific gravity of gold. (Round your answer to three significant digits.) or B. The bar is not fake because its specific gravity is 19.319.3 and it is the same as the specific gravity of gold. Solution The bar is not fake because its specific gravity is 19.319 and it is the same specific gravity of gold.

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what is the time complexity for this code: For (int i = 1 to n) {j = i while(j Solution The time complexity of an algorithm quantifies the amount of time taken by an algorithm to run as a function of the length of the string representing the input. The time complexity of an algorithm is commonly expressed using big O notation, which excludes coefficients and lower order terms. When expressed this way, the time complexity is said to be described asymptotically, i.e., as the input size goes to infinity. For example, if the time required by an algorithm on all inputs of size n is at most 5n3 + 3n for any n (bigger than some n0), the asymptotic time complexity is O(n3). Time complexity is commonly estimated by counting the number of elementary operations performed by the algorithm, where an elementary operation takes a fixed amount of time to perform. Thus the amount of time taken and the number of elementary operations performed by the algorithm differ by at most a constant factor..

What services require auditors to be independent How does an audito.pdf

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Write 250 words on information on the MacBook, and explanation of th.pdf

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What is a Relay Log in My SQL? Please reference the question. Solution The dictionary definition of relay is to recieve and pass on. It is similar in MySQL. When the server wants to replicate, it creates many logs that store the binary log events from master to slave. It contains the set of events that change the data or structure of the database. There are two parts to it: > Set of relay log files > Index file of all relay log files The step by step process of replication can be described as follows: The master is connected to IO Thread by reading the binary log events and these are replicated in the relay log.This way a new copy of the events is created..

What is special about the skulls of LagomorphsSagittal crestThe.pdf

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because of a hurricane, your regular laboratory session was cancelled and the gram stain procedure was performed on cultures incubated for a longer period of time. Examination of the stain staphylococcus aureus slides revealed a great deal of color variability ranging from intese blue to shades of pink. Account for this result. Solution Staphylococcus aureus is a Gram positive, non motile bacteria. On Gram staining it will appear purple to blue color since it will retain crystal violet dye. Again, Gram negative bacteria say for example, E.coli will appear pink in color. So, here due to longer period of incubation the culture has been contaminated with Gram negative bacteria. Therefore showing color variability in Gram staining results..

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If I drive x mph for t hours and then y mph for 2t hours. Then what is expression for the average speed. Solution average speed = (total distance)/(total time) ----- distance = rate*time ------------------- Your Problem: total distance = (xt)+ (2yt) = (x+2y)t miles ---------------------- total time = t + 2t = 3t hours --------------------------- Therefore, average speed = [(x+2y)t]/(3t) = (x+2y)/3 mph.

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The employees have indicated that 95% of employees in one of the departments are receiving higher salaries than any other department because their supervisor parties with them each weekend. Some employees only have an hourly rate which you have to calculate their yearly salary before completing the calculations. Please calculate the 95% standard deviation for each department and indicate for me if any department is receiving on average $2k or more on the high end. The employees have indicated that 95% of employees in one of the departments are receiving higher salaries than any other department because their supervisor parties with them each weekend. Some employees only have an hourly rate which you have to calculate their yearly salary before completing the calculations. Please calculate the 95% standard deviation for each department and indicate for me if any department is receiving on average $2k or more on the high end. Department 1 Department 2 Department 3 Department 4 Department 5 $22,450 18,550 B 22555 19050 $30,050 27,050 16765 29950 21545 $23,785 26,785 30050 23785 27950 A 25050 29955 B 27550 $27,594 26557 A 27650 25550 A – $9/hr @ 40 hrs week @ 50 weeks a year B – $11/hr @ 35 hrs wee @ 52 weeks a year Is any department receiving on average $2k or more on the high end of the standard deviation using standard deviation at 95%? If so, which department and be sure to explain your answer. Department 1 Department 2 Department 3 Department 4 Department 5 $22,450 18,550 B 22555 19050 $30,050 27,050 16765 29950 21545 $23,785 26,785 30050 23785 27950 A 25050 29955 B 27550 $27,594 26557 A 27650 25550 Solution.

The figure below shows the chromosomes in a cell for some species at .pdf

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1.Mitosis 2.In meiosis, 3.Homologous chromosomes 4.Chromosomes are 5.Which of the following is true of mitosis? 6. The phenotype of an individual refers to 7.Chromosomes are contained in 8. In diploid organisms 9.Gametes 10.The genotype of an individual refers toa.results in an egg only. Solution 1.Mitosis :c.results in a daughter cell that has the exact copy of the chromosomes of its parent. Reason: Mitosis results in two identical daughter cells with same number of chromosomes as that of parent cell. 2.Meiosis: d.haploid cells are produced from a single diploid cell. Reason:Form a single dipolid cell, four haploid cells are formed. 3.Homologous chromosomes: c. come in pairs. Reason: Homologous chromosomes means one from father and one from mother.So they come in pairs. 4.Chromosomes are :a.replicated during cell division. Reason: Chromosome replication takes place in mitosis. 5.Which of the following is true of mitosis?a.Mitosis produces identical daughter cells. Reason: Mitosis results in two identical daughter cells with same number of chromosomes as that of parent cell. 6.The phenotype of an individual refers to :d.its visible characteristics. Reason:The observed characteristics of individual is known as phenotype. 7.Chromosomes are contained in :d.the nuclei of eukaryotes. Reason: It is in the nucleus of eukaryotes that chromosomes are contained. 8.In diploid organisms :d.chromosomes occur in homologous pairs. Reason: Homologous chromosomes means one from father and one from mother.So they come in pairs. 9.Gametes : a.are the sex cells, or eggs and sperm. Reason:Gametes are male or female sex cells. 10.The genotype of an individual refers to :c.the number of chromosomes in its body cells. Reason:Genotype refers to genetic constitution of an individual and so refers to the number of chromosomes in its body cells..

1.Mitosis2.In meiosis,3.Homologous chromosomes4.Chromosomes ar.pdf

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Test y = 4x^2/x^2 + 1 for symmetry. Solution y =4x2/(x2+1) for symmetry about y axis: put -x in place of x y=4(-x)2/((-x)2+1) y=4x2/(x2+1) we get same equation. so curve is symmetric about y axis for symmetry about x axis put -y in place of y: -y =4x2/(x2+1) equation is not same as original one so not symmetric about x axis for symmetry about origin put -y in place of y:, -x in place of x -y =4(-x)2/((-x)2+1) -y =4(x)2/(x2+1) equation is not same as original one so not symmetric about origin.

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Statistics: Random Sample of Packages Thank you. At a nearby post office, the weight of packages mailed out has a mean of 3.22 pounds and a standard deviation of 1.06 pounds. Consider a random sample of 50 packages mailed out from this post office in the last year. Find the probability that the average weight of these packages exceeds 3.4 pounds. Clearly state the distribution of the sample mean and find the probability. Is your answer exact or approximate? Solution **************************************** We first get the z score for the critical value. As z = (x - u) sqrt(n) / s, then as x = critical value = 3.4 u = mean = 3.22 n = sample size = 50 s = standard deviation = 1.06 Thus, z = (x - u) * sqrt(n) / s = 1.200747364 Thus, using a table/technology, the right tailed area of this is P(z > 1.200747364 ) = 0.114924608 [ANSWER] ************ BY central limit theorem, the distribution of the means will be NORMALLY DISTRIBUTED. This is an approximate, because we only have a limited sample size..

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Show that, in the process of transferring a tower under the restrictions of the preceding excercise, we will actually encounter every properly stacked arrangement of n disks on three pegs. Tower of hanoi problem. Solution Let call the three pegs Src (Source), Aux (Auxiliary) and Dst (Destination). To better understand and appreciate the following solution you should try solving the puzzle for small number of disks, say, 2,3, and, perhaps, 4. However one solves the problem, sooner or later the bottom disk will have to be moved from Src to Dst. At this point in time all the remaining disks will have to be stacked in decreasing size order on Aux. After moving the bottom disk from Src to Dst these disks will have to be moved from Aux to Dst. Therefore, for a given number N of disks, the problem appears to be solved if we know how to accomplish the following tasks:.

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Plasmid pRIT452 was cut with Pstl. HindlII, and EcoRI. From the data below, determine the map Pstl HindIll. 6.2 EcoRI PstI HindIII 4.8 2.0 1.7 Pstl EcoRI 5.4 3.8 3.0 EcoRI HindlII 6.2 1.8 1.2 Plasmid pRIT453 was cut with smal, Hindlu, and EcoRI. From the data low, determine the map. EcoRI 1.6 Hindlll 1.9 Smal 6.6 EcoRI Hindlll 4.5 1.9 1.6 EcoRI Smal 5.7 0.7 Smal HindIII 2.7 2.2 1.9 e the ry on only des o nega Solution figure shows pRIT452 map, in the same way ,it can map pRIT453 also. first draw a gel running like picture then compare fragment with different enzyme and find out exact position accordingly.

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