I suck horribly at math, but I really want to help you, and I think the answer is C or B, if im wrong please let me know, I hope very much im right for your sake :) :(
Answer:
b⁴ + 16b³ + 28b² - 242b + 780
Step-by-step explanation:
(b+10) (b³+6b²-32b+78)
b⁴ + 6b³ + 10b³ - 32b² + 60b² + 78b - 320b + 780
= b⁴ + 16b³ + 28b² - 242b + 780
Answer:
i believe the answer is b
Step-by-step explanation:
There are 2. you can find this out by looking at the 6 it is less than 7 so you will only have to use 2 places. i think this is what you are asking
The source of bias that affected the confidence interval, but is not included among the sources covered by the margin of error is; Under coverage Bias
<h3>How to Identify the source of Bias?</h3>
The source of bias that affected the confidence interval, but is not included among the sources covered by the margin of error is; Under coverage Bias
The reason why I picked under coverage bias is because we see from the survey that they send a survey home with a random sample of students in the district. However, when the survey was not completed, calls are made to ensure responses are obtained from the parents of every selected student. Then the question is changed again.
Thus, it is clear that not all was captured and that is why we go with under coverage bias.
Read more about Source of Bias at; brainly.com/question/4095022
#SPJ1