Answer:
Step-by-step explanation:
i² = -1
-8(-1) + 3 = 8 + 3 = 11
Answer: 15
Step-by-step explanation:
Answer:
156.73643
Step-by-step explanation:
Answer:
Step-by-step explanation:
If you construct a 90% confidence interval for the population proportion and a 95% confidence interval for the population proportion, the 95% confidence will have a wider interval. This is because a higher confidence interval will provide more possible values from which the true value will be determined. Therefore, If you want more confidence that an interval contains the true parameter, then the intervals will be wider.
Answer:
Step-by-step explanation:
The quadratic formula:
So, we need to move all the terms to one side of the equation, which now becomes
Plugging in the numbers and you'll get the two roots/
