Answer:0.92
Step-by-step explanation:
Given
of Population is vaccinated
So, Probability of a person being vaccinated is 
and simultaneously , probability of not vaccinated is 

Now, Probability that atleast one of them has been vaccinated is given by



The first and second ones
Answer:
C
Step-by-step explanation:
4y-9+4y simplified by combining like terms is 8y-9
I know how to but i don't know how to reply with a picture
Answer is 175
To start you need to work backwards from the mean so do 158*4 to give you the total of the revenue then simply minus what was given to get 175
Hope this helped