A company that receives most of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product. The length of waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 3 minutes (i. E. The mean number of calls answered in a minute is 1/3). What proportion of customers having to hold more than 4. 5 minutes will hang up before placing an order? round to five decimal places.

c) science positively influencing society

answer; ///the above answer to the above question is (true); // overdraft protection means the bank will protect your funds from excessive taxation; ///

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!

answer:

sans lol

explanation: