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3 years ago

Rewrite the sentence with correct punctuation and capitalization.

Mathematics

1 answer:

Ludmilka [50]3 years ago

7 0

Matthew bought his cat, Filmore, at Mr. Macintosh’s pet store in Lincoln, Nebraska. (could do “!” at the end too)

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What is the cube of 3

Sladkaya [172]

Answer:

1.44 or $\sqrt[3]{3}$

Step-by-step explanation:

6 0

3 years ago

A random sample of 60 suspension helmets used by motorcycle riders and automobile race-car drivers was subjected to an impact te

pentagon [3]

Answer:

The 95% confidence interval on the true proportion of helmets of this type that would show damage from this test is (0.169, 0.397).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

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

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

$n = 60, \pi = \frac{17}{60} = 0.283$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.283 - 1.96\sqrt{\frac{0.283*0.717}{60}} = 0.169$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.283 + 1.96\sqrt{\frac{0.283*0.717}{60}} = 0.397$

The 95% confidence interval on the true proportion of helmets of this type that would show damage from this test is (0.169, 0.397).

6 0

3 years ago

Is m=3 4/5 what is the value of 3m

miss Akunina [59]

Answer:

$3m =\frac{57}{5}=11.4=11\ \frac{2}{5}$

Step-by-step explanation:

We know that

$m = 3\ \frac{4}{5}$

Therefore

$m = 3+\frac{4}{5}\\\\m=\frac{19}{5}$

Now multiply the value of m by 3.

$m=\frac{19}{5}\\\\3m=3*\frac{19}{5}\\\\3m =\frac{57}{5}=11.4$

The answer is 3m = 11.4

5 0

4 years ago

What is n?

lutik1710 [3]

the answer is 16

because the others dont make much sense

7 0

3 years ago

Mario compares random download times of movies from three different services using the table below.

Aliun [14]

Answer:

Who Knew Mean = 4.825

Amazing prime mean =

Peach TV mean = 5.025

Amazing prime wins the fastest speed with 4.75 seconds. Hope this helps!

6 0

3 years ago

Read 2 more answers