The siren has a lower pitch to Jane
the siren has a higher pitch to John
they sound different because the sound is moving away from Jane making the sound wave lengths longer and it is moving toward John making the wave lengths shorter
The hypothesis occurs before the experiment is completed.
An hypothesis is a formal statement, an educated guess which predicts the likely relationship between the variable that are been study. Hypothesis is the first thing that must be formed before the experiment begin.<span />
50%
Assuming that the coins are fair and each have a 50% chance of
head or tails there are 4 equally likely combinations that can occur:
first coin is a head and second is a head, first a head and second a
tail, first a tail and second a head, first a tail and second a tail.
Each is as likely, 25%. The four choices are HH, HT, TH, TT, and you
can see that two of them (HT, TH) fulfill having one head and one tail,
giving you 25% +25% making is 50%.
Natural resource management (NRM) is the management of natural resources such as land, water, soil, plants and animals, with a particular focus on how management affects the quality of life for both present and future generations (stewardship). Natural resource management deals with managing the way in which people..
