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OLEGan [10]
1 year ago
12

Ashley pounds 98 pounds one year ago .If she weight 112 pounds what is the percent increase in her weight ?

Mathematics
1 answer:
andreyandreev [35.5K]1 year ago
3 0

Answer:

The increase to the nearest percent is 14%

Step-by-step explanation:

\frac{112 - 98}{98}  The percent of increase is the weight change over the original amount

.14285714285  To change a decimal to a percent, move the decimal two places to the right.

Rounded to the nearest percent is

14%

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Without doing any computation, decide which has a higher probability, assuming each sample is from a population that is normally
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Answer: The probability in (b) has higher probability than the probability in (a).

Explanation:

Since we're computing for the probability of the sample mean, we consider the z-score and the standard deviation of the sampling distribution. Recall that the standard deviation of the sampling distribution approximately the quotient of the population standard deviation and the square root of the sample size.

So, if the sample size higher, the standard deviation of the sampling distribution is lower. Since the sample size in (b) is higher, the standard deviation of the sampling distribution in (b) is lower. 

Moreover, since the mean of the sampling distribution is the same as the population mean, the lower the standard deviation, the wider the range of z-scores. Because the standard deviation in (b) is lower, it has a wider range of z-scores.

Note that in a normal distribution, if the probability has wider range of z-scores, it has a higher probability. Therefore, the probability in (b) has higher probability than the probability in (a) because it has wider range of z-scores than the probability in (a).       
5 0
3 years ago
2 less than the product of 5 and n
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7 0
3 years ago
nk, Inc. has 40,000 shares of stock outstanding. The company declares dividends of $120,000. What is the dividend per share of s
Angelina_Jolie [31]
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5 0
3 years ago
What is 33 percent of 400
Eduardwww [97]
<h2>QUESTION</h2>

What is 33% of 400?

<h2>ANSWER AND EXPLANATION</h2>

To find the percent of a number, you have to change the percent into a decimal or a fraction and multiply by the number.

<h3>DECIMAL</h3>

To change a percent into a decimal, remove the percent sign and move the decimal point 2 places to the left.

33 \% \rightarrow 0.33

Now that you have your decimal, multiply by 400:

0.33 \times 400 = 132

ANSWER = 132

<h3>FRACTION</h3>

To change a percent into a fraction, make the percent number as the numerator(top number) and 100 as the denominator(bottom number) since fractions are out of 100.

33 \% \rightarrow \frac{33}{100}

Now that you have your fraction, multiply by 400:

\frac{33}{100} \times 400 = \frac{13200}{100} \rightarrow 132

ANSWER = 132

<em>If you have any questions, feel free to ask in the comments! :)</em>

4 0
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