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3 years ago

Rewrite the radical expression as an expression with rational exponents.

Mathematics

1 answer:

Sliva [168]3 years ago

5 0

Answer:

x to the eight thirds power

Step-by-step explanation:

$\huge \sqrt[3]{ {x}^{8} } = {x}^{ \frac{8}{3} } \\$

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A card is randomly drawn from a standard $52$-card deck. An ace of hearts wins the grand prize; any other ace or heart wins a sm

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Answer:

3/52

Step-by-step explanation:

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3 years ago

Assume that 33.4% of people have sleepwalked. Assume that in a random sample of 1459 adults, 526 have sleepwalked.

lutik1710 [3]

Answer:

Step-by-step explanation:

Given that 33.4% of people have sleepwalked.

Sample size n =1459

Sample favourable persons = 526

Sample proportion p = $\frac{526}{1459} \\=0.361$

Sample proportion p is normal for large samples with mean = 0.334 and

std error = $\sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.334(1-0.334)}{1459} } \\=0.0123$

a) P(526 or more of the 1459 adults have sleepwalked.)

$=P(p\geq 0.361)\\=P(Z\geq \frac{0.361-0.334}{0.0123} \\=P(Z\geq 2.20)\\=0.5-0.4861\\=0.0139$

b) Yes, because hardly 1.4% is the probability

c) 33.4 is very less compared to the average. Either sample should be improved representing the population or population mean should be increased accordingly.

7 0

3 years ago

1 4/11 dividedd by 1 1/4

Gwar [14]

The answer is 1 1/11

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3 years ago

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A researcher developing scanners to search for hidden weapons at airports has failed to conclude that a new scanner is significa

White raven [17]

Answer:

Yes, he would take the same decision.

Step-by-step explanation:

Consequently, because the decision is taken on the test based on the use of alpha equals 0.025, the p-value of the test must have been greater than the given amount of importance that is 0.025 since the test is not applicable to us. So, p > 0.025.

If we know that p > 0.025, that would not mean p > 0.1 as well, because we do not know with the details given he had to make the same decision for 0.1 degree of meaning.

As for the 0.01 significance point, we 're sure p > 0.01 is greater than 0.025, so the test does not matter.

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3 years ago

1. The table shows the relationship between y, the cost to rent a bicycle, and x, the amount of time the bicycle is rented in ho

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Answer:

I am not really sure what the question is But it is a slope

Step-by-step explanation:

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3 years ago