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3 years ago

5

carol has a record of winning 3 tennis matches for every 6 she loses. if she had a total of 45 matches during the year, how many

did she win?

1 answer:

SpyIntel [72]3 years ago

5 0

Answer:

13

Step-by-step explanation:

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2 years ago

7.1.13 Question Help Use the sample data and confidence level given below to complete parts (a) through (d). A research institut

r-ruslan [8.4K]

Answer:

The Point estimate of the Population proportion E = 0.039≅0.04

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the sample size 'n' = 992

and x = 570

The Population proportion

$p = \frac{x}{n} = \frac{570}{992} = 0.5745$

<u><em>Step(ii):-</em></u>

<u><em>The point estimate of the Population proportion is determined by</em></u>

<u><em></em></u> $E = 2.576 \frac{\sqrt{0.574(1-0.574)} }{\sqrt{992} }$ <u><em></em></u>

E = 0.039≅0.04

<u><em>Final answer</em></u>:-

The point estimate of the Population proportion E = 0.039≅0.04

<u><em></em></u>

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3 years ago