Answer:
1.7
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:  14
Step-by-step explanation:
- Degrees of freedom is the number of values in the evaluation of a test statistic that are free to vary.
For t-statistic , the degree of freedom for a sample with sample size 'n' is given by :-

Given : Sample size : n-1
Then, the number of degrees of freedom the t-value will have :-

Hence, the t-value will have 14 degrees of freedom.
 
        
             
        
        
        
Answer:
103.
Step-by-step explanation:
The initial budget is $5,323 and has already spent $2,748, so the remain budget is $2,575. If the meal price per guest is $25, so:
$2,575 / $25 = 103
She can invite up to 103 guests.
 
        
             
        
        
        
Two tails on two coins, 1/4 chance
An even number on a die 3/6 or if simplified, 1/2.