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sertanlavr [38]
3 years ago
13

If the 5 digit number 1732p is divisible by 9, then p = O 3 O 5 O 7 O 4

Mathematics
1 answer:
OlgaM077 [116]3 years ago
8 0

Answer:

p = 5

Step-by-step explanation:

1732(5)/9 = 1925

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Dana’s waking rate in miles per hour is 3 mph.

I did 3/4 x 4 = 3 because she walked 1/4 a mile and I needed to figure out the miles per one whole hour.

I hope this made sense and helped you.

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In a recent survey of 288 people, 72 said that their favorite color of car was white. What percent of the people surveyed liked
Oksi-84 [34.3K]
If you translate this problem literally, it is saying, “72 is what percent of 288?”. And the equational translation of that is 72 = (x/100) • 288
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Then you solve that equation.
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3 years ago
Jonathan is building a fence for his chickens. The length of a rectangle is
mina [271]

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Width = 9

Step-by-step explanation:

(P=2L+2W) = 72

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For a population, the mean is 19.4 and the standard deviation is 5.8. Compare the mean and standard deviation of the following r
Ksivusya [100]

Answer:

The mean of sample (21.6) is greater than population mean and the standard deviation of sample (8.4) is also greater than population standard deviation.

Both values, mean and std are greater than corresponding population values. This means, that our sample overestimates or is skewed to the right in the values of population. Also each specific value is farther apart from the mean so variation is much bigger in our sample than in our population.

Step-by-step explanation:

To calculate the mean, we estimate the avergage of the data as

Mean = Sum(data)/n

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The standard deviation is the square root of variance. Variance is sum of the deviation of each data point to the sample mean.

Variance = sum i= 1 to n (Xi-xmean)/(n-1)

Where n = 10 the # of observations and xi is each specific data point.

If you calculate it in Excel or or by hand you obtain:

Variance = sum i= 1 to n (Xi-21.6)/(10-1) = 8.4

Both values, mean and std are greater than corresponding population values. This means, that our sample overestimates or is skewed to the right in the values of population. Also each specific value is farther apart from the mean so variation is much bigger in our sample than in our population.

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3 years ago
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