Homework Statement
A discrete random variable X has the following PMF
x | 1 | 2 | 3 | 4 | 5 |
p(x)|1-a|1-2a|0.2| a | 0.5a|
What are the values of "a" that are allowed in this PMF?
For the allowed values, compute the expected value and the standard deviation of the variable...
Alas we haven't been provided with a solution to the problem yet...your procedure seems more concise than mine so I hope that this is indeed the solution to this problem. Thanks for your help!
Homework Statement
Suppose you ingest a microgram radioactive material with an initial activity of 10^5/sec and a physical lifetime of 4 hours. Suppose also that all of the energy of each emission of alpha particles with energy of 0.3MeV per particle is deposited throughout your tissue. If...
Hey guys,
I need some help on this problem from my biophysics homework on the nature of acoustics and sound. Readers beware...lol
Homework Statement
If all the sound energy of a 5MHz US continuous emitter with an intensity of one watt per square centimeter is deposited into an isolated...
Hi all,
I have been having some problems with this question from my Biophysics homework. The topic is fluid dynamics...
Homework Statement
Find the difference between the blood pressure in a pilot's head and his feet, if he sits in a plane which goes into a dive following a vertical...