28 could have just looked it up
Answer:
5
Step-by-step explanation:
Answer:
The answer is "The threat to internal validity is mortality".
Step-by-step explanation:
It signifies that while in terms of your study, persons were "morning." It usually signifies when people leave the studies. There will be only likely if indeed the experiment lasts a long period that it'll be a substantial danger to validity and reliability because the chance for drops increases. Eight content validity risks are history, maturity, instrument, test, choice, average regress, human engagement, and mortality.
Answer:
2.40259690054e+16
Step-by-step explanation:
Let R be the event that a red card is drawn. There are two red suits of 13
cards each, so there are 26 ways of getting are red card. There are 52 cards
altogether, so the probability of getting a red card is
P(R) = 26
52
=
1
2
.
http://www.math.ttu.edu/~drager/Classes/02Spring/m1430/anse3.pdf
