Answer:
220
Step-by-step explanation:
Initial number of brainliest = 200
Additional given by me = 20
So, 
Total number of brainliest = 200 + 20 = 220
 
        
             
        
        
        
<h3>
Answer: 0.3125</h3>
As a fraction, 0.3125 = 5/16
================================================
Work Shown:
n = 5 trials
p = 0.5 is the probability of landing tails
x = 3 = number of tails we want to happen
Use the binomial PDF formula to get 
(n C x)*(p)^x*(1-p)^(n-x)
(5 C 3)*(0.5)^3*(1-0.5)^(5-3)
10*(0.5)^3*(0.5)^(2)
0.3125
note: flipping a single coin 5 times is the same as flipping 5 independent coins one time
 
        
        
        
Answer:
Sooo it can complete 120 laps in 1 hour.
 
        
             
        
        
        
Answer:
is this due already
Step-by-step explanation: