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bezimeni [28]
3 years ago
10

How many numbers greater than 90 and less than 100 are prime numbers?

Mathematics
1 answer:
Oksanka [162]3 years ago
4 0

Answer:

97

Step-by-step explanation:

Only 97 is prime between 90-100

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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:

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In which:

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Hence the bounds of the interval are found as follows:

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\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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