Since the probability of a head occuring when tossed a time is 1/2
x=head occuring 3 or more times
Pr(x>=3)=1-Pr(x<3)=1-(0.5)(0.5)^2
Pr(x>=3)=0.875
Answer:
4500 pages
Step-by-step explanation:
an hour has 60 minutes. This means in 1 hour the machine will scan 60/15 more pages. 60/15 =4.
1125*4 =4500 pages/hour
Top left is the right answer hope this helps <3