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slamgirl [31]
3 years ago
14

Simplify 15 to the power of eight, Over 15 to the power of three.

Mathematics
2 answers:
Zina [86]3 years ago
6 0

Answer:

1/6 is the answer....................................................


Step-by-step explanation:


Evgen [1.6K]3 years ago
6 0

Answer: 7.59375 x 10^5


Step-by-step explanation: I'm almost certain of this answer because...

15^8 = 2,562,890,625

15^3 = 3,375

2,562,890,625 / 3,375 = 759375

759375 is the same as 7.59375 x 10^5


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Using the z-distribution, as we have a proportion, the 95% confidence interval is (0.2316, 0.3112).

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which:

  • \pi is the sample proportion.
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  • n is the sample size.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

We also consider that 130 out of the 479 season ticket holders spent $1000 or more at the previous two home football games, hence:

n = 479, \pi = \frac{130}{479} = 0.2714

Hence the bounds of the interval are found as follows:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2714 - 1.96\sqrt{\frac{0.2714(0.7286)}{479}} = 0.2316

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2714 + 1.96\sqrt{\frac{0.2714(0.7286)}{479}} = 0.3112

The 95% confidence interval is (0.2316, 0.3112).

More can be learned about the z-distribution at brainly.com/question/25890103

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A=36 +12(3)+64

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