Answer:
$30.50
Step-by-step explanation:
b = bagels
c = cream cheese
<u>Given</u>
b = 30
c = 2
<u>Work:</u>
0.85b+2.5c
0.85(30) + 2.5(2)
25.5 + 5
30.5
 
        
             
        
        
        
Answer:
Answer is b or 10. 
Step-by-step explanation:
The reason for this is that you will just plug in all the answers in x and the answer has to match 15. 
So...
2(10) - 5 = 15
15 = 15
This is true so the answer is 10. 
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Answer:

And we can find the individual probabilities using the probability mass function
 
  
 
  
And replacing we got:

Step-by-step explanation:
Previous concepts  
The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".  
Solution to the problem
Let X the random variable of interest "number of automobiles with both headligths working", on this case we now that:  
 
  
The probability mass function for the Binomial distribution is given as:  
 
  
Where (nCx) means combinatory and it's given by this formula:  
 
  
And for this case we want to find this probability:

And we can find the individual probabilities using the probability mass function
 
  
 
  
And replacing we got:

 
        
                    
             
        
        
        
Answer:
withhhhhhhhhtttttt  whaaaaaaaaaaatttttttttttt??????????????????
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
the answer to this equation is 2