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scZoUnD [109]
3 years ago
8

There are 20 squid and 36 eels in a fish tank. What is the ratio of squids to eels? What is the rate of squids to eels? What abo

ut the simplified ratio and unit rate?
Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
7 0

Answer:

Ratio: 20:36

Rate: 20 squids per 36 eels

Simplified ratio:

=  \frac{20}{36 }  = \frac{10}{18}  =  \frac{5}{9}

Unit ratio:

20/36 squids per eel (dividing by 36)

Please mark Brainliest if this helps!

Gre4nikov [31]3 years ago
4 0

Answer:

Step-by-step explanation:

Number of squid in the tank = 20

Number of eels in the tank = 36

Rate of squids to eels will be obtained by creating a fraction of number of squids over number of eels

Rate of squid to eels = \frac{20}{36}

also ratio of squid to eels will be written as 20:36

Simplified ratio = \frac{20}{36} = \frac{5}{9} = 5:9

Unit rate will be defined as number of squid per eels

Unit rate = \frac{20}{36} = 0.55

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Using the z-distribution, it is found that the 90% confidence interval is given by: (0.6350, 0.6984).

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

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In which:

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In this problem, we have a 90% confidence level, hence\alpha = 0.9, z is the value of Z that has a p-value of \frac{1+0.9}{2} = 0.95, so the critical value is z = 1.645.

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More can be learned about the z-distribution at brainly.com/question/25890103

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