Answer:
p=1/2*3.14+d
1/2*3.14*19.5=30.615
=30.615+39
=69.615
=69.6
Step-by-step explanation:
since it's half a circle we take the formula of acricle to be half
 
        
             
        
        
        
Answer:
0.0821
Step-by-step explanation:
If the arrival rate is 50 customers per hour (60 minutes), then the expected number of customers in 3 minutes is:

Assuming a Poisson distribution with 2.5 customers per 3 minutes, the probability that zero customers arrive for 3 minutes is:

The probability that the bank stays empty for three minutes is 0.0821.
 
        
             
        
        
        
Answer:
6 eggs
Step-by-step explanation:
48 (total eggs) divided by 8 (total hens) = 6 eggs for each hen