Questions asked
According to a study, the average healing time for a hip replacement is 17.1 months. Suppose healing times are normally distributed with a standard deviation of 5.3 months. A: What is the probability that one randomly selected subject will have a healing time that is greater than 10.2 months? B: What is the range of healing times for the middle 70% of healing times? C: What is the probability that the average healing time of a sample of 17 subjects lies between 17.5 months and 21.0 months?
nearDNA3 1000 bp Hindill EcoRI Smal BamHI 150 250 400 700 Question #2, Table 1 (8 points) DNA Fragment Name: linear DNA 3 Total length of DNA: 1000 b.p. Image of Fragment (may be hand drawn): linear DNA 3 1000 bp Hindill EcoRI Smal BamHI 150 250 400 700 Number and sizes of pieces when digested with EcoRI (show your math) Number and sizes of pieces when digested with BamHI (show your math) Number and sizes of pieces when digested with EcoRI and Smal (show your math)
Question 21 (2 points) Respect is considered the most important core condition in terms of promoting positive outcomes. True False
True or False: Buss’s model of personality and the big five traits approach of McCrae and Costa are identical in structure
Imaginery Axis (seconds$^{-1}$) 0 2 4 6 8 -0.5 -1 -1.5 -2 -2.5 -3 Real Axis (seconds$^{-1}$) Root Locus
A student pushes the 1.00 kg block in the figure below against a horizontal spring, compressing it by 0.175 m. When released, the block travels across a horizontal surface and up an incline. Neglecting friction, find the block's maximum height (in m) if the spring constant is k = 445 N/m.
Suppose that two satellites A and B orbit Earth at radii $r_A = \frac{4}{3}R_E$ and $r_B = 3R_E$, respectively. You know that both of these are circular orbits. What is the ratio of the speed of satellite A to that of satellite B $(\frac{v_A}{v_B} = ?)$? Which one of the given alternatives is correct? Hint: Use the vis-viva equation, $v^2 = \mu (\frac{2}{r} - \frac{1}{a})$. $R_E$ denotes the radius of Earth. 2 3 1.5 1
2. Explain correlation between BOD, BODu and COD for sewage and Draw a curve for BOD exerted and remaining with respect to time for organic wastewater and derive mathematical expression for both. 3. List some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider groundwater pollution a greater problem than surface water pollution? 4. Explain how alpha, beta, X-ray, and gamma ray emissions occur and how they differ. List three fundamental methods of reducing external radiation hazard. 5. Describe the atmosphere state in case of hot air over the cold air which is special case of sub adiabatic laps rate air. 6. Analytically, how you can investigate the pollutant concentration of gas that emitted into atmosphere from elevated source such as chimney stacks at ground level concentration and maximum ground level centerline.
3. T-Tunes, Inc. is considering the introduction of a new music player with the following price and cost characteristics: Sales Price $ 125 each Variable costs 75 each Fixed costs 180,223 per year (a) How many units must T-Tunes sell to break even? (b) How many units must T-Tunes sell to make an operating profit of $120,000 for the year? (c) If projected sales are 7,500 units, what is the margin of safety in units?
Refer to Table 5-2. What is the nominal GDP? $680 for 2017, $880 for 2018, and $1200 for 2019 $760 for 2017, $880 for 2018, and $1000 for 2019 60 for 2017, $1100 for 2018, and $1600 for 2019 $960 for 2017, $1280 for 2018, and $1300 for 2019
