Answer:
7
Step-by-step explanation:
because when you divide with the coeficient it sums out to be 7
Answer:
22-x
Step-by-step explanation:
you dont know what x is, so you would just do 22-x
1/5, 0.4, 1/2, 0.75
Just convert all of them to decimals first then it should be easy or you .
The term rules for the following sequences is that you multiply each number by 3! Hope this helps and please mark brainliest :)
Answer:
The degrees of freedom are given by:
The significance level is 
and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:
And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.
Step-by-step explanation:
We have the followign system of hypothesis:
Null hypothesis: 
Alternative hypothesis: 
The degrees of freedom are given by:
The significance level is and then the critical value can be founded in th chi square table we need a quantile that accumulates 0.05 of the area in the right tail of the distribution and for this case is:
And if the chi square statistic is higher than the critical value we can reject the null hypothesis in favor of the alternative.
