Johns commute time to work during the week follows the

Assignment Help Basic Statistics

Reference no: EM13613441

1. Suppose the average thread-life of a certain brand of tire is 42,000 miles and that this mileage follows the expotential distribution method.What is the probability that a randomly selected tire will have a thread--life of more than 40,000 miles?

2. Johns commute time to work during the week follows the normal probability distribution with a mean time of 26.7 minutesand a standard deviation of 5.1 minutes. What is the probability that the commute time for a randomly selected day will be between 28 and 34 minutes?

3.SUppose the roundtrip airfare between philly and los angeles a month before the departure date follows the normal probability distribution with a mean of $387.20 and a standard deviation of $68.50. Wgat is the probability that a randomly selected airfare between two cities will be between $325 and $425?

Reference no: EM13613441

Questions Cloud

Assuming isentropic efficiencies of 80 percent for both the : a gas refrigeration cycle with a pressure ratio of 3 uses helium as the working fluid. the temperature of teh helium is

Dewitt company uses flexible budgets to control its selling : dewitt company uses flexible budgets to control its selling expenses. monthly sales are expected to range from 170000

Determine the entropy generated for carbon dioxide in a : determine the entropy generated for carbon dioxide in a pistoncylinder with an initial volume of 200 l at 300 degrees c

Convert the following pressures into absolute presuures you : convert the following pressures into absolute presuures.you may assume that the atmospheric pressure at the time of

Johns commute time to work during the week follows the : 1. suppose the average thread-life of a certain brand of tire is 42000 miles and that this mileage follows the

For the year ending december 31 2014 cobb company : for the year ending december 31 2014 cobb company accumulates the following data for the plastics division which it

Reasearchers for a manufacture of barometers reach each of : reasearchers for a manufacture of barometers reach each of 50 barameters at the same time each day. the mean of the

Calculate the average velocity in unit-vector notation of : you drive a car 1200 m due south for 20 min then 1500 m at 30degrees west of south for 30 min and finally 1050 m at 50

A car is moving with constant velocity v and has wheels of : a car is moving with constant velocity v and has wheels of radius r. the car drives over a clump of mud and the mud

User Account

All Pages