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Marina CMI [18]
3 years ago
12

What is 71/8 as a mixed numder

Mathematics
2 answers:
nignag [31]3 years ago
6 0
8 goes into 71 eight times (64)
71 - 64 is 7
your answer is 8 and 7/8

Nikolay [14]3 years ago
4 0
To do this all you would have to do is (divide 8 into 72 then you would end up to get your mixed number, which is 8 7/8) Your Welcome! (:
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Of 585 samples of seafood purchased from various kinds of food stores in different regions of a country and genetically compared
Dafna1 [17]

Answer:

a) The 99% confidence interval is from 14.8% to 23.2%.

b) The confidence interval tells us that the true proportion of mislabeled is within 14.8% and 23.2%, with a 99% confidence. In other words, if we take samples of the same size, 99% of the samples will have a proportion within 0.148 and 0.232.

c) The confidence interval calculation take into account the sample size, so the width (or precision) of the interval depends on the sample size.

The only criticism that could be analyzed is to see if the sample is representative of the population.

Step-by-step explanation:

a) We have to calculate a 99% confidence interval for the proportion.

The sample proportion is p=0.19.

 

The standard error of the proportion is:

\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.19*0.81}{585}}\\\\\\ \sigma_p=\sqrt{0.000263}=0.016

The critical z-value for a 99% confidence interval is z=2.576.

The margin of error (MOE) can be calculated as:

MOE=z\cdot \sigma_p=2.576 \cdot 0.02=0.042

Then, the lower and upper bounds of the confidence interval are:

LL=p-z \cdot \sigma_p = 0.19-0.042=0.148\\\\UL=p+z \cdot \sigma_p = 0.19+0.042=0.232

The 99% confidence interval for the population proportion is (0.148, 0.232).

5 0
3 years ago
If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).<br> PLZZ HELPPP
kirill [66]

This the answer

If f(x) = 3x - 1 and g(x) = x + 2, find (f- g)(x).

PLZZ HELPPP

2x-3

6 0
2 years ago
A problem on a Geometry quiz says to "Sketch a scalene triangle."
sweet [91]

Answer:

B

Step-by-step explanation:

It is not a scalene triangle because a scalene triangle has no sides equal and the triangle shown has 3 equal sides.

6 0
3 years ago
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TEA [102]

Answer:

During cool or cold weather episodes, fuel must be consumed to make buildings comfortable living spaces. A useful indicator of fuel consumption for heating purposes is the determination of heating degree-days. They are calculated by accumulating one heating degree-day (HDD) unit for each Fahrenheit degree the daily mean (average) temperature is below the base value of 65°F (18°C). For example, a day with a maximum temperature of 60°F and a minimum of 40°F has a mean temperature of 50°F. Subtracting 50 from 65 yields 15 heating degree-day units for that day. Hence, a day with a high temperature of 45°F and a low of 25°F produces ______ HDDs.

5 0
3 years ago
Evaluate 3 – 24 - 8 + 32
UNO [17]

Answer:

3

Step-by-step explanation:

Evaluate the calculation from left to right, that is

3 - 24 - 8 + 32

= - 21 - 8 + 32

= - 29 + 32

= 3

6 0
3 years ago
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