This is what I think your looking for
C temp. pH and regulatory molecules
<u>Given</u>:
If you are dealt 4 cards from a shuffled deck of 52 cards.
We need to determine the probability of getting two queens and two kings.
<u>Probability of getting two queens and two kings:</u>
The number of ways of getting two queens is 
The number of ways of getting two kings is 
Total number of cases is 
The probability of getting two queens and two kings is given by

Substituting the values, we get;

Simplifying, we get;



Thus, the probability of getting two queens and two kings is 0.000133
Answer:
There are 91 dimes in the jar.
Step-by-step explanation:
5n+10d= 1455
n+d = 200
n=200-d
5(200-d) + 10d=1455
1000-5d+10d=1455
1000+5d=1455
5d=455
d=91
91 dimes