answer is C
Step-by-step explanation:
i got it right and it looked like no one would help you so
Cancel equal terms on both sides of inequality
7-3x < 13
move constant to the right side and change its sign
-3x<13-7
subtract the numbers
-3x<6
divide both sides of inequality by -3 and flip the inequality sign
answer is: x>-2
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.