The speeds of car traveling on interstate highway i-35 are

Reference no: EM13614100

1) The speeds of car traveling on Interstate Highway I-35 are normally distributed with a mean of 74 miles per hour and a standard deviation of 6 miles per hour.

(a) Find the standardized variable for the speeds of car traveling on I-35.

(b) Find the percentage of the cars traveling on this highway with a speed

i. of more than 85,

ii. between 65 to 72.

2) The raw scores in a national aptitude test are normally distributed with mean 506 and standard deviation 81.

(a) What proportion of the candidates scored below 574?

(b) If a student obtains a score such that 98% of the students' scores are lower than hers, what is her score?

Reference no: EM13614100

Questions Cloud

Assuming that both the turbine and the pump are isentropic : consider a reheat cycle with steam leaving the boiler and entering the turbine at 4 mpa and 400 c . after expanded in

The speeds of car traveling on interstate highway i-35 are : 1 the speeds of car traveling on interstate highway i-35 are normally distributed with a mean of 74 miles per hour and

Two blocks are in contact on a frictionless table a : two blocks are in contact on a frictionless table. a horizontal force f is applied to m2. if m1 1.57kg m2 3.26kg and

Find the temperature of the combustion products of butane : find the temperature of the combustion products of butane when burned in an adiabatic steady flow combustor at 1atm

The speeds of car traveling on interstate highway i-35 are : 1 the speeds of car traveling on interstate highway i-35 are normally distributed with a mean of 74 miles per hour and

Calculate the required heat transfer to or from the reactor : it is highly desirable to make benzene from ethane from shale gas in a continious vapor-phase reaction3c2h6 --gt c6h6

Expected return for the corporate bond fund and for the : the number of arrivals per minute at a bank located in the central business district of a large city was recorded over

Errors in a billing process often lead to customer : errors in a billing process often lead to customer dissatisfaction and ultimately hurt bottom-line profits. an article

An industrial sewing machine uses ball bearings that are : an industrial sewing machine uses ball bearings that are targeted to have a diameter of 0.75 inch. the lower and upper

User Account

All Pages