Discrete random variable
Consider a discrete random variable, X having the following probability function
f(x)= [(x+6)/20] for x\varepsilon{-4,0,6}
A) Compute the mean for Y, where Y=X+15
B) Compute the standar deviation for Z, where Z= 2X+15
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A 4.00-uF capacitor has been charged by a 9.00-volt battery. How many electrons must be moved from the negative plate to the positive plate of the capacitor to reverse the electric field inside the capacitor?
Find the enthalpy of steam at 0.4 Mpa and 0.7 dryness. Determine the amound of heat required to convert 4kg of water at t=38K into dry saturated steam at 1 MPa gauge pressure?
Cars arriving for gasoline at a Shell station follow a Poisson distribution with a mean of 6 per hour. Determine the probability that over the next hour, only one car will arrive.
According to the first law of thermodynamics, if work is done on a system, then (a) the internal energy of the system must change, (b) heat must be transferred from the system, (c) the internal energy of the system may change and/or heat may be tr
Consider a discrete random variable, X having the following probability function. f(x)= [(x+6)/20] for x\varepsilon{-4,0,6}
Let x1, x2, and x3 be independent binary random variables taking 1 with probability p and zero with probability 1-p. Define two estimators p hat 1 = x bar and p hat 2 = (xbar/2) + (1/4), where xbar = (x1 + x2 + x3)/3.
The volumetric flow rate at the exit for constant specific heat is 3.831 m^3/s. Calculate the volumetric flow rate at the exit for variable specific heat.
A solution of ethanol and n-propanol behaves ideally. Calculate the chemical potential of ehtanol in solution relative to that of pure ethanol. when its mol faction is 0.40 and its boiling poing is 78.3 C
What effect would the incomplete drying of a sample (for example, the incomplete removal of a recrystallization solvent) have on the melting point?
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