What is the probability that more than 5 students arrive

Assignment Help Electrical Engineering
Reference no: EM13229598

The number of students arriving at Mary's office hours is modeled as a Poisson random variable with an average of 1 student every 15 minutes. (a) What is the probability that no students arrive during office hours (3-5 PM)? (b) What is the probability that more than 5 students arrive in the same 30-minute period?

Reference no: EM13229598

Questions Cloud

The volume of red dye is required to reach the endpoint : A 2.29 g sample of ascorbic acid is titrated with a 0.64 M red dye. What volume of red dye is required to reach the endpoint?
Explain the principal energy level of the electron : How does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron
Explain the principal energy level of the electron : how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
Naoh are needed to completely neutralized the solution : If 10.7 mL of .110 M NaOH is required to reach the equivalence point of a solution of citric acid, how many mL of NaOH are required to completely neutralized this solution
What is the probability that more than 5 students arrive : The number of students arriving at Mary's office hours is modeled as a Poisson random variable with an average of 1 student every 15 minutes. (a) What is the probability that no students arrive during office hours (3-5 PM)
Determine the probability mass function-pmf : encounter a sequence of birds while walking in the park. The birds can either be blue (B) or red (R). We let X be the random variable corresponding to the number of birds we encounter until seeing the first blue one.
Define when trans-1-chloro-2-ethylcyclohexane reacts : Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO
State three orbital designations that would be incorrect : Write three orbital designations that would be incorrect and explain why each is incorrect. For example, 1p would be an incorrect orbital designation because there is no p sub-shell in the first orbit.
What is the charge on each sphere if two charges are equal : Two small plastic spheres are given positive electrical charges. When they are a distance of 15.6{\rm cm} apart, the repulsive force between them has a magnitude of 0.235{\rm N} .What is the charge on each sphere if the two charges are equal

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find an expression for the net current in the line

Two voltage waves of equal amplitude, V0, and frequency w, propagate in the forward z direction in a lossless transmission line of characteristic impedence Z0. One waves is phase-shifted from the other by \o radians.

  Determine the surface charge density on each conductor

Determine the surface charge density on each conductor.

  Sketching the dependence of l versus h on cartesian axes

Sketching the Dependence of l versus h on Cartesian Axes, The distance l from a point at a height h above the Earth's surface to the horizon can be approximated using Pythagoras theorem by the expression:

  What precentage of sound energy is reflected

If the accoustic impedance of water is 1.49 and for steel is 42.1, what precentage of sound energy is reflected at a water-to-steel interface? 12.5%,86.8%,43.9% or 43.59%.

  What is the sample period ts

What is the sample period Ts?

  Calculate what is the effective voltage in vrms

Calculate the following. a) What is the magnitude of the voltage in a wall socket if the effective voltage is 240 Vrms b) What is the magnitude of the current if the effective current is 360 mArms

  How does the speed of an induction generator relate

How does the speed of an induction generator relate to synchronous speed Explain. How is power factor could be controlled if is is a squirrel cage machine? How about a wound rotor machine

  Determine quality exiting and the specific entropy change

an adiabatic throttling process for R-134a takes saturated liquid at 800 kPa entering, and drops the pressure to 280 kPa (constant specific enthalpy). Determine the quality exiting and the specific entropy change for the throttling process.

  Prove that the electrons will not reach the positive plate

Electrons are liberated with zero velocity from the negative plate of a parallel plate capacitor, to which is applied a magnetic flux density B parallel to the plates. Prove that these electrons will not reach the positive plate.

  What is the value of the smallest resistor

The voltage drops across three resistors in series are measured 10V, 15V, and 25V. If the largest resistor is 47 ohms, what is the value of the smallest resistor?

  Compute the bit error probability for both constellations

2. Compute the symbol error probability for both constellations in terms of the Gaussian error integral Q(x). 3. Compute the bit error probability for both constellations in terms of the Gaussian error integral.

  Find the resistance and inductance of the circuit

an inductive circuit takes a current of 10.5 amperes when connected to a 500 volts 50c/s supply. this current rises to 12.5 amperes when frequency is reduced to 40 c/s. the voltage being maintained constant. find the resistance and inductance of t..

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