The correct answer is 4/15.
Answer:
Case 1 - 50388 ways when the couple is there in the group of 8 people selected out of 20 employees.
Case 2 - 75582 ways when the couple is not there in the group of 8 people selected out of 20 employees.
Step-by-step explanation:
Given
The couple within the group can not be separated and hence instead of taking total 20 employees , it must be taken as 19 employees.
Now if the couple is there in the selected group of 8 people, then total 7 needs to be selected out of 19 and hence the total number of ways of selecting 7 people out of 19 is
= 50388
If the couple is not there in the selected group of 8 people, then the total number of ways of selecting 8 people out of 19 is
= 75582
Answer:
1 out of 8
Step-by-step explanation:
If you flip a coin there are eight possible outcomes:
HHH
HHT
HTT
TTT
THH
TTH
THT
HTH
SO the probability of getting all heads is 1 over 8.
Hope this helps
Answer:
0.046
Step-by-step explanation:

Data:
N = 4
H = 2
M = 80
Calculation:

Answereis 17.50 in total of how much she would need