Let X denote the lifetime of a machine component with an exponential distribution. The mean time for the component failure is 2500 hours. Required:
What is the probability that the lifetime exceeds the mean time by more than 1 standard deviations?

3(10x-y)-5(x-y^2) need this solved asap

What value of x is in the solution set of –5x – 15 > 10 + 20x?

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?