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Marina CMI [18]
3 years ago
12

Three-fourths of the ice cream has been eaten. How many twelfths is that?

Mathematics
1 answer:
Aliun [14]3 years ago
5 0
3/4 x 3/3 = 9/12

9/12 of the ice cream has been eaten

hope this helps
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In a survey of 2264 adults, 729 say they believe in ufos. construct a 95 confidence interval for the population proportion of ad
Andreyy89

90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the giver confidence interval [ 0.3026, 0.3348 ].

Here, we have given:

Number of adults (n) = 2272

Number of adults who believe in UFO (x) = 724

Sample proportion (p) = x/n

p = 724 / 2272

p = 0.3187

now, let q = 1 - p

q = 1 - 0.3187

q = 0.6813

Confidence level → 90%

The 90% confidence interval for population proportion is

[ p - 1.645\frac{\sqrt{pq} }{\sqrt{n}} ,p + 1.645\frac{\sqrt{pq} }{\sqrt{n}} ]

where 1.645 is Zac value at 90% confidence level.

p - 1.645\frac{\sqrt{pq} }{\sqrt{n}}  = 0.3187 - 0.0161 = 0.3026

p + 1.645\frac{\sqrt{pq} }{\sqrt{n}} = 0.3187 + 0.0161 = 0.3348

90% confidence interval for the population proportion is

[ 0.3026, 0.3348 ]

Hence, With 90% confidence, it can be said that the population proportion of adults who believe in UFOs is between the endpoints of the giver confidence interval [ 0.3026, 0.3348 ]

Learn more about " Population Proportion " from here: brainly.com/question/15087042

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1 year ago
What is the solution to the following system of equations?
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Answer:

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3 years ago
Which symbol could be written in both circles in order to
SIZIF [17.4K]

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B. What is the volume of the prism in cm3? Show your reasoning. If you
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Answer:

Step-by-step explanation:

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Volume of the prism is therefore:

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No of cubes with edge length 1/2 to fit into the prism will be:

Volume of cube is L*W*H

1/2*1/2*1/2= 1/8cm3

Therefore the no of cubes to fit into the Prism will be:

1395/(1/8)= 11160 cubes.

If one was stuck,the number of 1/2 edge length cube to fit into 1cm will be:

1/(1/8)= 8 cubes

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The profit y on the number x of items a store sells is represented by the rule y = 2x - 1. What does a table of values for the f
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Answer:

Attached is what the graph should look like

Step-by-step explanation:

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