Answer:
The expected number of men in the delegation is 0.86.
Step-by-step explanation:
Number of men = 3
Number of women = 4
A delegation of 2 is selected.
Let X be the number of men selected. So, the possible values of X are 0,1,2.



The expected number of men in the delegation is




Therefore, the expected number of men in the delegation is 0.86.
Pete would have gotten 30$ from work that day (1/6 of 180)
Answer:

Step-by-step explanation:

First, we need to make the demoninators the same so we times 4 by 5 and whatever we do to the bottom, we do to the top, and 5 by 4.



demoninator now doesn't change unless you're multiplying or dividing.
Answer:
Cost for 50 songs: $64
Cost for s songs: s + 14
Step-by-step explanation:
Since it is $1 per song, if he downloaded 50 songs, it would be $50 extra dollars.
Add this to the monthly charge of 14:
50 + 14
= 64
So, the cost of 50 songs would be $64.
Now, find the cost for downloading s songs.
Each song is $1, so the cost can be represented by s + 14.
The answer is:
Cost for 50 songs: $64
Cost for s songs: s + 14