Mathematics, 18.06.2020 02:57, adelawilliams60
The Weibull distribution is widely used in statistical problems relating to aging of solid insulating materials subjected to aging and stress. Use this distribution as a model for time (in hours) to failure of solid insulating specimens subjected to AC voltage. The values of the parameters depend on the voltage and temperature; suppose α = 2.5 and β = 190. (a) What is the probability that a specimen's lifetime is at most 250? Less than 250? More than 300? (Round your answers to four decimal places.) at most 250 less than 250 more than 300 (b) What is the probability that a specimen's lifetime is between 100 and 250? (Round your answer to four decimal places.) (c) What value is such that exactly 50% of all specimens have lifetimes exceeding that value? (Round your answer to three decimal places.) hr
Answers: 2
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 20:40, vanitycarraway2000
Which table represents points on the graph of h(x) = 3√-x+2?
Answers: 3
Mathematics, 21.06.2019 22:00, harrypottergeek31
Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²
Answers: 2
The Weibull distribution is widely used in statistical problems relating to aging of solid insulatin...
History, 21.08.2020 16:01
History, 21.08.2020 16:01
Mathematics, 21.08.2020 16:01