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nata0808 [166]
3 years ago
13

After a busy day of orders, a florist has 6 roses, 7 lilies, 3 carnations, 35 chrysanthemums, 27 sunflowers, 18 violets, and 9 t

ulips left in her inventory. part
a.write a ratio that compares the number of roses to the number of violets. part
b.describe what three other comparisons have the same ratio. part
c.provide reasoning why more than one comparison can be made with the same ratio.
Mathematics
1 answer:
Sergeu [11.5K]3 years ago
6 0
Hello!

lets do this problem like so:

A;  6:18 = 1:3

B;  lilies to chrysanthemums= 1:3 violets to roses= 1:3 tulips to sunflowers= 1:3

C;  <span>There are still other ways </span>to make<span> the </span>same comparison<span>, by using equal ratios. To find </span>an<span> equal </span>ratio<span>, you </span>can<span> either multiply or divide each term in the </span>ratio<span> by the </span>same<span> number (but not zero). For example, if we divide both terms in the </span>ratio<span> 6:12 by the number six, </span>then<span> we get the equal </span>ratio<span>, </span>1<span>:2.
however, if you divide 6:12 by 2 or three, you get an equal ratio, but not a simplified ratio.




I hope this helps, and have a nice day!</span>
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P(X

3. For the sample with men and women, we use the proportion for both, which is π=0.2.

The sample size is n=300.

Then, the standard error of the proportion is:

\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.2*0.8}{300}}\\\\\\ \sigma_p=\sqrt{0.0005}=0.0231

We can calculate the z-scores for p1=0.18 and p2=0.25:

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