Population standard deviation
Suppose a random smaple of size 36 is drawn from a population with a mean of 278,. If 86% of the time the sample mean is less than 280, what is the population standard deviation?
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What current must circulate around an 8.0--diameter loop, about the size of a human heart, to produce this field? What is the magnitude of the heart's magnetic dipole moment?
Compare and contrast a two-way ANOVA and a multivariate regression model with only two IVs?
Determine the minimum mass flow rate (kg/s) of the water so that the water not completley vaporize. Neglect the pressure drop through the exchanger and assume a saturated vapor state.
An ion having charge +6e is traveling horizontally to the left at 8.60km/s when it enters a magnetic field that is perpendicular to its velocity and deflects it downward with an initial magnetic force of 7.04×10^-15N. What is the direction o
The heat transfer rate from the working fluid passing through the condenser is 50,000 Btu/h, and liquid refrigerant exits at 250 psi and 105 oF. If the compressor operates adiabatically, determine compressor power input, in hp.
The speed of sound in an alcohol at a temperature of 20 C is 1260 m/s. the density of the alcohol at that temperature is 650 kg/m^3. at a temperature of 20 C, find the bulk modulus of the alcohol.
Hartsfield Atlanta International Airport is the busiest airport in the U.S. averaging 2200 planes a day with a standard deviation of 75. A pilot believes that the average exceeds that and tests it using a sample of 50 days producing a mean of 2248
The turbine and pump have isentropic efficiencies of 88%. For the cycle, determine the rate of heat transfer to the working fluid passing through the steam‚ generator, in Btu/h.
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a 35% personal tax rate on ordinary income, and a 15% personal tax rate on dividends, how much tax will be paid in the first year?
Select from the option list provided to match each department or person involved in the sales-receivables-cash receipts cycle with the associated control.
For the active portfolio, provide a summary of the first six weeks that covers the following: • A summary of changes in holdings to both the active and passive
PART A: What is the variable overhead rate variance? PART B: What is the variable overhead efficiency variance?
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