Sample size required to construct
Assuming that the population proportion p is near 0.3, find the sample size required to construct 90% confidence interval for p with margin of error 0.03. Repeat the same calculations if p is close to 0.5.
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When the rope it at an angle of 30 degrees the 2 lb sphere A has an initial speed of 2 ft/s. The coefficient of restitution between A and the 4 lb wedge B is 0.8 and the length of the rope l=3ft.
It is known that 800 patients received a certain drug, and 75 of them reported and adverse event. Construct a 99% confidence interval for the proportion of patients who experience this adverse effect.
Exhaust gases enter the regenerator at a pressure of 140 KPa, temperature of 800 K and leave at a pressure and temperature of 130 KPa and 600 K. Treat exhaust gases as air.
At the same time, measurements showed that the pipe elongated by 0.35 mm in a 200 mm gauge length. Determine the depth at which the pipe was stuck. Assume the cross-section of the pipe is constant with depth.
Electronic devices use electrical energy even when they are on standby. Calculate the percent of energy used per day for the following entertainment equipment in the standby mode assuming that they are plugged in all the time.
A steady flow of 15 kg/s of high-pressure liquid oil drives a hydraulic motor at the steady-state-steady-flow conditions shown below. Find the diameter of the exit pipe, and the power output, Wcv & out?
The heat capacity of silver, measured at a temperature of 4 K, is 0.0134 J/(mole ·K). The Debye temperature of silver is 225 K. What are the electronic contribution (J/(mole ·K)) to the heat capacity of silver at 2 K?
Report shows that 45% of all US households owned 2 cars in 2000. Set up the null and alternative hypothesis for testing whether the percentage of households cars has
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Explain at least two ways teachers can partner with families to support students experiencing trauma.
Assignment task: You are conferencing with a parent about the level of vocabulary the child has and the grade level requirement.
If you had to choose between adventure learning and action learning for developing an effective team, which would you choose?
Review the Scripture verses provided in Unit 6. Think about the application of service and encouragement. Pair the scriptural application
Take an inventory of the school/community interaction at your school. List the activities, the targeted audience, the event schedule including time and date
Shared Writing: Psychological Therapies Imagine that you are a psychologist working in a youth detention center.
How can literacy leaders support content area teachers in the teaching of reading and writing skills?