Mathematics, 30.11.2019 05:31, coollid876
Slader records show that the average life expectancy of a pair of shoes is 2.2 years with astandard deviation of 1.7 years. a manufacturer gaurantees that shoes lasting less than a year are replaced for free. for every 1000 pairs sold how many pairs should the manufacturer expect to replaces free? assume a normal distributiom.
Answers: 1
Mathematics, 21.06.2019 21:00, Anybody6153
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
Answers: 1
Mathematics, 21.06.2019 21:50, zymikaa00
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Slader records show that the average life expectancy of a pair of shoes is 2.2 years with astandard...
Health, 12.11.2020 18:30
Computers and Technology, 12.11.2020 18:30
Mathematics, 12.11.2020 18:30
World Languages, 12.11.2020 18:30