Answer:
it is clear that at 95% confidence that the bonus plan has increased the sales significantly, because if we observe you will notice that sales after is greater than sales before in all six cases.
Step-by-step explanation:
A 95% confidence interval as we have above is the range of values that we can say with utmost certainty and confidence that 95% chance it contains the true mean of the population. in other words we can say that a 95% confidence interval defines a range of values that you can be 95% certain contains the population mean.
Answer:
the numbers are 18 and 38
Step-by-step explanation:
x =smaller integer and y =larger integer
7x(x+1.8)=0
7x+12.6x=0 (Distributed)
19.6x=0 (Added like terms)
x=0 (Divided 0 by 19.6)
I hope that helps