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Likurg_2 [28]
3 years ago
6

PLEASE HELP ASAP SHOW WORK pls

Mathematics
1 answer:
Studentka2010 [4]3 years ago
3 0

Answer:

Requires approximately 129 buckets

Step-by-step explanation:

Volume of the tank=200x77x32

Volume of the paint bucket = πr^{2} x h= π x 8 x 8 x 19

(200x77x32) ÷( π x 8 x 8 x 19)= 492800/‭3,820.177=128.999

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A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 580 babies were​ born, a
hammer [34]

Answer:

No, Method is not effective.

Step-by-step explanation:

Let x be the number of girls = 319

and n be the total number of babies = 580

Then, proportion

\hat{p}=\frac{p}{n}\\\\=\frac{310}{580}\\\\=0.55

Standard Error,

SE = \sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\\= \sqrt{\frac{0.55(1-0.55)}{580}}\\= 0.02066

The level of significance is:

Z_{\frac{\alpha}{2}}=Z_{0.005}=2.575

Confidence Interval:

p \pm [Z_{\frac{\alpha}{2}} \times SE]\\=0.550 \pm [2.575 \times 0.02066\\=(0.4968, 0.6032)

Since 0.50 lies in the interval hence we fail to reject

H_0: p = 0.50

Thus, the method does not appear to be effective.

4 0
4 years ago
Determine the independent and dependent variable from the following equations:
lisabon 2012 [21]

Answer:

a)  independent variable x, dependent variable y

b) independent variable s, dependent variable g

c) independent variable q, dependent variable p

d) independent variable n, dependent variable m

3 0
3 years ago
#28-10: Simplify this expression 4-3s+5+8. Evaluate the expression when s=3.
earnstyle [38]
The answer is 8...........
3 0
3 years ago
Read 2 more answers
PLEASE HELPPPXPDPD. If -5c+6=-69, what is the value of 6c-15?
crimeas [40]

Answer: 75

Step-by-step explanation:

To find the value of 6c-15, we first want to finc the value of c. Once we find c, we can plug it in and solve.

-5c+6=-69            [subtract both sides by 6]

-5c=-75                  [divide both sides by -5]

c=15

Now that we have the value of c, we can plug it in and solve.

6(15)-15                 [multiply]

90-15                     [subtract]

75

The value is 75.

4 0
3 years ago
Pls answer quickly. Thanks!
Gwar [14]

Answer:

the answer is D

Step-by-step explanation:


4 0
3 years ago
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