What is the probability of having 53 Fridays in an ordinary year Pick one.
A) 1/5
B) 1/6
C) 1/7
D) 1/8
E) 1/9
1/7 because 53 friday in ordinary year then 53*7= 
<gadget id="calculator">53*7</gadget>
<output>371</output>
371 (53/371=1/7)   ANSWER:1/7
<result>C</result>
What is the probability of having 53 Fridays in an ordinary year