Rewrite the equation B - 7,536 = 2t as a function of t.
1 answer:
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We need to find what number, if 6 is divided by it, gives us 12.
This isn't hard, I promise! I am going to take you through a few steps, and we'll find the answer.
Are you ready? Then let's begin...:)
✦ We can think about it as: 6 divided by what number gives us 12?
(let the number be z)
Multiply both sides by z
Divide both sides by z
Which is the same as
- hope it's helpful!
- wishing you a great day!
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Answer:
(25.53, 37.87): 95% CI
(23.59, 39.81): 99% CI
Step-by-step explanation:
The margin of error of a confidence interval is given by:
In which is the standard deviation of the population and n is the size of the sample.
z is related to the confidence level. The higher the confidence level, the higher the values of z, and thus, we wider the confidence interval is.
In this question:
The narrower C.I. is the 95%, and the wider is the 99%. So
(25.53, 37.87): 95% CI
(23.59, 39.81): 99% CI