Determine mean u and unknown standard deviation sigma

Assignment Help Electrical Engineering
Reference no: EM13253594

A random variable X is normally distributed with unknown mean u and unknown standard deviation sigma. Find u and sigma if it is known that the probability X is less than 10 is 0.6950 and the probability that exceeds 6 is 0.7939.

Reference no: EM13253594

Questions Cloud

How to illustrate 6-pole stator winding of an ac machine : Use computer graphics/ or by hand to illustrate 6-pole stator winding of an AC machine. For wt = 0 and wt = 180o show the phasor diagram of phase currents, polarity of currents in individual conductors, and the flux paths.
What is the density of free electrons in the metal : A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
Construct frequency distribution of demand during lead time : From the results of the simulation, construct a frequency distribution of demand during lead time.
How many conduction electrons in given gold wire : How many conduction electrons are there in a 3.50 mm diameter gold wire that is 50.0 cm long
Determine mean u and unknown standard deviation sigma : A random variable X is normally distributed with unknown mean u and unknown standard deviation sigma. Find u and sigma if it is known that the probability X is less than 10 is 0.6950 and the probability that exceeds 6 is 0.7..
Compute the magnetic flux through each turn : A 43.5 mA current is carried by auniformly wound air-core solenoid with 460 turns, a 17.0 mmdiameter, and 11.0cm length. Compute the magnetic flux through each turn
Explain what is the concentration of water vapor : Water Vapor Will react reversibly with methane (CH4) to produce carbon monoxide and hydrogen gas. The equilibrium, with a Kc=0.26, is established at 927 degrees C, in a 0.32L flask which contains 0.26 mol CO, 0.091 mol H2, and 0.041 mol CH4. What ..
Formulate a binary program to model : Sandra likes Bob about as much as Bill but likes them both about ve times as Ben. Formulate a binary program to model how the couples should pair up so that in the aggregate the girls are as happy as possible.
Explain what is the major purpose of doing distillations : What is the major purpose of doing distillations in organic chemistry. What is the secondary purpose

Reviews

Write a Review

 

Electrical Engineering Questions & Answers

  Determine the atomic radius of a single aluminum atom

aluminum has the FCC crystal structure. Its atomic weight is 26.98g/mole, and its density is 2.70g/cm3. Determine the atomic radius of a single aluminum atom.

  Compute the inverse laplace transform of the function

1. Determine Laplace transform of (2-2e^-4t)u(t) 2. Determine if x(t) = 9cos(2t)+4sin(pi t) is periodic; if periodic, calculate the period. 3. Compute the inverse Laplace transform of X(s)= (s+2)/(s^2+ 7s + 12).

  What is the range of the sensor voltage outputs

A manufacturer specification sheet lists the transfer function of a pressure sensor as 45±5% mV/kPa with a time constant of 4±10%. A highly accurate test system applies a step change of pressure from 20 kPa to 100 kPa.

  What is the peak output voltage with feedback

3) If the input voltage to a Full-Wave Bridge Peak Rectifier is vi(t) = 10.4sin(600t) Volts, what is the peak output voltage. Assume all diodes have a 0.7V drop, (ie. VD = 0.7V). 4) For the previous problem, if the resistor in the circuit is equal t..

  Develop equivalent circuits for the 741 as current amplifier

The 741 op amp is usually modeled on specification sheets as a voltage amplifier having the following parameters: Rin = 1 M, Av = 100,000, and Rout = 100  Using this information, develop equivalent circuits for the 741 as a current amplifier

  Determine the current flow through the capacitor

An input signal of 10 sin (2pi 1592t+0degrees) is applied to a series RC circuit with resistor R =1000ohm and capacitor C= 0.1 uF. The current flow through the capacitor is a. 10mApk angle 90 degrees b. 5mApk angle 45 degrees

  What is the fundamental period of the signal

a. Let x[n] and y[n] be periodic signals with fundamental periods N1 and N2, respectively. Under what conditions is the sum x[n] + y[n] periodic If it is periodic, what is the fundamental period of this signal

  Explain a telephone switching board can handle

A telephone switching board can handle 120 phones. Assuming the following, and determine the outgoing traffic intensity and the number of channels

  Calculate the traffic load per cell

The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..

  For what range of values of a is the system stable

For what range of values of a is the system stable?

  How to generate odd parity over the individual words

Design a system using either a flow diagram or pseudo code that will accept a block of data words encoded as specified in Part 1; then check the parity for each data word and for the block. The system should output each of the 8-bit data words.

  Determine the 60-hz resistance of the line in ohms

A 60-Hz, 765-KV three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors per phase. Determine the 60-Hz resistance of this line in ohms per kilometer per phase at 50 degrees Celsius.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd