Problem regarding the percent of the students

Assignment Help Physics
Reference no: EM131032483

Problem:

A professor knows from past experience that the time for students to complete a quiz has an N(19, 3) distribution.

Requirement:

(i) If he allows 20 minutes for the quiz, what percent of the students will not complete the quiz?

(ii) Suppose that he wants to allow sufficient time so that 95% of the students will complete the quiz in the allotted time. How much time should he allow for the quiz?

Reference no: EM131032483

Questions Cloud

Company account for the legal costs of formation : 1. How should a company account for the legal costs of formation? Should the accounting treatment be the same as that for underwriting and other share issue costs?2. What is a rights issue? Distinguish between a renounceable and a non-renounceable ri..
Haysbert company provides management services : Haysbert Company provides management services for apartments and rental units. In general, Haysbert packages its services into two groups: basic and complete. The basic package includes advertising vacant units, showing potential renters through them..
Cost-based pricing : Otero Fibers, Inc., specializes in the manufacture of synthetic fibers that the company uses in many products such as blankets, coats, and uniforms for police and firefighters. Otero has been in business since 1985 and has been profitable every year ..
Equation of the least-squares regression line : The equation of the least-squares regression line for predicting average number of offspring per female from cone index is
Problem regarding the percent of the students : (i) If he allows 20 minutes for the quiz, what percent of the students will not complete the quiz? (ii) Suppose that he wants to allow sufficient time so that 95% of the students will complete the quiz in the allotted time. How much time should he..
What ultimately were these codes designed to do : During Reconstruction, Black Codes were enacted in several former states in the Confederacy. A Republican controlled Congress would later react to suppress these codes - What ultimately were these codes designed to do?
Forman company has contracted to build a dam over a period : Forman Company has contracted to build a dam over a period of 4 years for $3,000,000. Information relating to the performance of the contract is summarized as follows:
Provide background information about education : Provide an in-depth definition and components about the topic. Provide background information about the topic (developed from the 3 resources discovered). Apply 3 different sociological theories to the topic.
The back-end database : Three (3) page Word document that describes the front-end, the user interface, and the back-end database and how the requirements were met, and a full description of client needs and how the application supported the requirements.

Reviews

Write a Review

Physics Questions & Answers

  Question a mirror produces a 10 cm high image of an object

question a mirror produces a 10 cm high image of an object that is only 4cm high. if the image is also real and

  Two identical charged spheres suspended from a common point

Two identical charged spheres suspended from a common point by two massless strings of length 'l' initially at a distance 'd' apart because of their mutual repulsion. The charge begins to leak from both spheres at constant rate. as a result ch..

  What is the radius of the solenoid

An inductor in the form of a solenoid contains 410 turns and is 12.8 cm in length. A uniform rate of decrease of current through the inductor of 0.421 A/s induces an emf of 175 µV. What is the radius of the solenoid? In mm

  Diverging lens has a focal distance

A diverging lens has a focal distance of -30.0 cm. If the lens projects a virtual image at a distance that is 1/2 of the object distance, a) what is the object distance and b) what is the magnification?

  What is the rock''s velocity as it hits the bottom of hole

A 1560kg car is travelling with a speed of 14.20 m/s. What is the magnitude of the horizontal net force that is required to bring car to a halt in a distance of 52.10 m.

  How much total work did the person do on herself

An 80.0 kg person carries a 25 N package up aflight of stairs. The vertical height of the stairs is 10.0 m. How much total work did the person do on herself and the package

  Force of friction that driveway exerts on bottom of ladder

A house painter stands 3 m above the ground on a 5.4-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 635 N and the ladder weighs 158 N. Assuming no friction between the house and the upper end of the la..

  Find what is the force constant

In a supermarket, you place a 22.3 N (around 5 lb) bag of oranges on a scale, and the scale starts to oscillate at 2.7 Hz. What is the force constant (spring constant) of the spring of the scale

  Estimate what is the angle of incidence

y of light in air enters a glasss surface. The angle ofrefraction in the glass is measured to be 45 degrees. what is the angle of incidence

  How long does the car take to reach the motorcycle

A car and a motorcycle is racing from rest. The motorcycle first takes the lead because its constant acceleration am = 8.40 m/s2, How long does the car take to reach the motorcycle

  Question1a simple pendulum consists of an object suspended

question1a simple pendulum consists of an object suspended by a string. the object is supposed to be a particle. the

  Determine the speed of sound in air in the pipe

An organ pipe open at both ends is vibrating with n=5 with a frequency of 646 Hz. The length of the pipe is 0.5 m. Determine the speed of sound in air in the pipe

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