An experiment which seems to validate a hypothesis:
must be correct
should be repeatable by other scientists
is all that is required to draw a conclusion

Your hypothesis does not need to be correct
your directions in should be very well described so other scientist can repeat the experiment correctly
in order to draw a conclusion you need to have completed the experiment 
the conclusion is when you state whether or not you hypothesis is correct or incorrect

Cuz i said so. which gives it to b

When the sun hits the plant and the plant has water