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ipn [44]
2 years ago
14

Use your calculator to find the approximate volume in cubic units of the solid created when the region under the curve y = sin(x

) on the interval [0, π] is rotated around the x-axis.
Mathematics
1 answer:
kykrilka [37]2 years ago
5 0

Answer:

womks,

Step-by-step explanation:

ewsd

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The distribution of income tax refunds follow an approximate normal distribution with a mean of $7010 and a standard deviation o
Andrej [43]

Answer:

A refund must be above $7,139 before it is audited.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7010, standard deviation = 43.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

The empirical rule is symmetric, which means that the lowest (100-99.7)/2 = 0.15% is at least 3 standard deviations below the mean, and the upper 0.15% is at least 3 standard deviations above the mean.

Use the Empirical Rule to determine approximately above what dollar value must a refund be before it is audited.

3 standard deviations above the mean, so:

7010 + 3*43 = 7139.

A refund must be above $7,139 before it is audited.

5 0
2 years ago
Question 8 of 10
Andreyy89

Median and IQR are the most appropriate measures of center and spread for this data set.

<h3>Why are Median and IQR the most appropriate?</h3>

Among the 3 central tendencies that includes the mean, median and mode; the median is the better measure because of the followings:

  • Mean is affected by extreme values
  • Mean is not correct if more outliers are present
  • Mean may not represent the nature of the data whether skewed right or left.

Also, the median as the middle entry is not affected by extreme items or outliers, so the median is better than mean,

Furthermore, for the measure of spread, the IQR is better since extreme items will show higher std deviation and also some outliers mislead.

Therefore, Option B is correct.

Read more about measures of center

brainly.com/question/10610456

#SPJ1

5 0
1 year ago
17 friends to 19 friends<br><br> The percent increase is
kvv77 [185]

Answer:

the increase is by 2

Step-by-step explanation:

You can add 17 plus 2 or subtract 17 from 19.

3 0
2 years ago
Read 2 more answers
X/3 +17 less than or equal to 15
Sliva [168]

x \leqslant  - 6

x/3+17is less than or equal to 15

x/3is less than or equal to 15-17

xis less than or equal to -6

5 0
3 years ago
HELPP!!! 2 questions please!
OlgaM077 [116]

Answer:

Step-by-step explanation:

I need help with same question pleas.

5 0
2 years ago
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