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Suppose random variable X is normally distributed. Find the probability that X is less than 6 or X is at least 12...
a) if u = 7, o^2 = 5
b) if the median of X is 10 and the variance of X is 13
c) if X = 3Z + 2, where Z is the standard normal distribution
d) if u = 12, o = 4
5-15 air at at 300degk and 1 atm. flowing over a flat plate at 30 ms how thick is boundary layer at 2.5 cm from the
Given a lifting (rotating) cylinder in cross flow of radius a with a lift coefficient of C1=5, calculate the peak (suction) pressure coefficient, Cp. Use potential flow relations and assume 2-D.
1. what is the difference between measurement and inspection?2. list and explain at least 3 measuring equipments for
If the maximum temperature in the cycle is not to exceed 2200 K, determine the thermal efficiency and the mean effective pressure.
in a laboratory scientists produce 233th90 from 238u92 by two different processes. in process a a single alpha particle
The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, HOW you would calculate the pressure loss during fluid flow between two points along the pipe.
Whit is the critical crack length in iron according to the Griffith-Orowan equation if surface energy=10^3J/m^2?
an n-type extrinsic semiconductor has an electron concentration of 5x1017 m-3. if the electron drift velocity is 350 ms
calculate various fuel quantities for flight 143. the plane already had 7682 l of fuel on board prior to the flight and
A pump is employed to deliver liquid water from a pond to a higher elevation. The pump steadily draws water from the pond at a volumetric flow rate of 192 gal/min through a pipe having a 7 in diameter inlet. The exit diameter of the pipe is 2 in. and..
A closed, rigid tank is filled with a gas modeled as an idea gas, initially at 27 degrees C and a gage pressure of 300 kPa. The gas is heated, and the gage pressure at the final state is 367 kPa. Determine the final temperature, in C. The local atmos..
refrigerant 134a at -10degc 1.4 bar and a mass flow rate of 280 kghr enters an insulated compressor operating at steady
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