1. evidence suggests that substrate concentration (mg/cm3 ) of influent to a reactor is normally distributed with µ = 0.30 and σ = 0.06.
a. what is the probability that the concentration exceeds .25?
b. what is the probability that the concentration is at most .10?
c. how would you characterize the largest 5% of all concentration values?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

What is the prime factorization of 230