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4 years ago

I need help on this pls

Mathematics

1 answer:

frutty [35]4 years ago

5 0

Answer:

Answer is 18000 televisions

Step-by-step explanation:

First you have to find number of house in the town X

According to rule of mathematics

Product of extremes = product of means

No of persons : No of House :: No of persons: No of Houses

3.2 : 1 :: 48000 : ? (x)

note = according to this rule you have to multiply 1 number with 4th and 2nd with the 3rd

3.2 (x) = 48000 x 1

X = 48000/3.2 = 15000

So total number of houses are 15000

Now you have to find total number of Tv in the town. Again we know the number of television per one house

television per 1 house = 1.2

television Per 15000 house = 15000 x 1.2 = 18000 TV

so there are total 18000 Television sets in town B

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Answer:

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Step-by-step explanation:

10+2=5x-3x

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3 years ago

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If Courtney walks 3 miles in 80 minutes, then Courtney will walk how far

ozzi

Divide 80/3 which equals 26.6. So it take Courtney 26.6 minutes to walk 1 mile. Then divide 110/26.6 which equals 4.1.

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4 years ago

Coopers & Lybrand surveyed 210 chief executives of fast-growing small companies. Only 51% of these executives had a manageme

densk [106]

Answer:

92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.

(0.46154 , 0.558)

Step-by-step explanation:

Given sample size 'n' = 210

The sample proportion 'p' = 51% = 0.51

Confidence intervals are determined by

$(p^{-} - z_{\alpha } \sqrt{\frac{p^{-} (1-p^{-} }{n} } , p^{-} +Z_{\alpha } \sqrt{\frac{p^{-} (1-p^{-} )}{n } } )$

The 92% of z-score value

$Z_{\frac{\alpha }{2} } = Z_{\frac{0.08}{2} } = Z_{0.04} = 1.405$

92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.

$(0.51 - 1.405 \sqrt{\frac{0.51 (1-0.51 }{210} } , 0.51 +1.405 \sqrt{\frac{0.51 (1-0.51)}{210 } } )$

on calculation , we get

(0.51-0.048 , 0.51 + 0.048)

(0.46154 , 0.558)

Final answer:-

92% Of confidence intervals to estimate the proportion of all fast-growing small companies that have a management succession plan.

(0.46154 , 0.558)

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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4 years ago