Answer:
0.1667
Step-by-step explanation:
There are 6! ways to arrange the hats. The number of ways for which no guest will receive the proper hat is 5! (since there are 5 wrong hats for the first guest, 4 for the second guest, and so on). The probability that no guest will receive the proper hat is:

The probability is 0.1667.
Answer:
A=40, B=60, C=80
Step-by-step explanation:
180/7 to find what "1" would be in the ratio then multiply 20*2, 20*3, 20*4.
Answer:
c. it converges, it has a sum
Answer:
2 times
Step-by-step explanation:
25 x 2 is 50. And 25 x 3 is 75, and 75 is larger then 63.
179/1018=.17580
.17580*100=17.6%