A mean of 38 minutes and standard deviation of 5 minutes

Assignment Help Mathematics
Reference no: EM13470590

A teacher has determined that the amount of time a student spends working on homework during seminar is a normal random variable with a mean of 38 minutes and standard deviation of 5 minutes. What proportion of students work on homework less than 29 minutes during seminar?

Reference no: EM13470590

Questions Cloud

Compare and contrast permutations and distinguishable : compare and contrast permutations and distinguishable permutations.state the fundamental counting principle and explain
A coin is flipped 6 times variable x represents number of : suppose you selected a random sample of n 29 measurements from a normal distribution. compare the standard normal z
What ethical issues does management require to consider : a hacker is an individual with technical skills and creative savvy who is willing to push the limits of technology in
Determine the following probabilities for the stand normal : find the following probabilities for the stand normal random variable fora. pzgt1.23b. pzlt-1.27c. p0.31lez2.68d.
A mean of 38 minutes and standard deviation of 5 minutes : a teacher has determined that the amount of time a student spends working on homework during seminar is a normal random
Get generate random sample of 180 numbers between 1 and 60 : obtain generate a random sample of 180 numbers between 1 and 60. you may use a calculator excel or a table of random
What ethical social and political issues arise with the use : information is data that is framed in a specific context. in this sense information is contextual data that has a level
Participants in new relaxation program complete : on a certain anxiety questionnaire the population is known to have a mean of 12 and a standard deviation of 2.3. a
The mean number of sales per month for who participated in : a company decides to add a new program that prepares randomly selected sales personnel to increase their number of

Reviews

Write a Review

Mathematics Questions & Answers

  Find the tension in the rope

A uniform boom AC, 4m long and weighing 50 N is smoothly hinged at C and is supported at A by a rope AB. Find the tension in the rope and the size and direction of the reaction at C.

  Density and center of mass

A plate is bounded by the curves y = -x^2, y = x^2, and x = 1. It has density d(x,y)=x. Make a sketch and find its center of mass.

  How long age was the artifact made

A wooden artifact from an ancient tomb contains 45 percent of the carbon-14 that is present in living trees. How long age was the artifact made? (The half-life of carbon-14 is 5730 years.)

  What are the possible values for the length of one side

A rectangular field with a perimeter of 32 feet must have an area of at least 60 square feet (or possibly more). What are the possible values for the length of one side so that both conditions are met? Express your answer in interval notation.

  What is the cost to remove 75% of the pollutant

The cost, in millions of dollars, to remove x % of pollution in a lake modeled by

  Generally eliminate bias in a sample

Increasing sample size will generally eliminate bias in a sample.

  Find the height of the arch at its center

a bridge is built in the shape of a semielliptical arch. it has a span of 104. the height of the arch 25 feet from the center is 12 feet. find the height of the arch at its center.

  What are they vertical

What describes the vertical and the horizontal asymptotes for f(x) = 3(x-1) / (x-4)(x=1) and what are they vertical? horizontal?

  State the name of the resulting object in each case

list all possible ways of using a square as a polygonal disk with gluing scheme(dont list the same square rotated and /or flipped) (include squares where not all edges are identified). State the name of the resulting object in each case.

  Find the amount of work in foot-pounds required to empty

Find the amount of work in foot-pounds required to empty the trough by pumping the water over the top. Note: The weight of water is 62 pounds per cubic foot.

  Possible rational roots of cubic polynomial

Let the cubic equation ax^3 + bx^2 +cx + d =0 have integral coefficients a, b, c, and d. Show that if a =1, every rational root of the cubic must be an integer that divides the constant term d.

  Application of differential calculus maximization and

application of differential calculus maximization and minimization.you run a small furniture business. you sign a deal

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