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2 years ago

8

The length of the apothem of the hexagon is about inches. the perimeter of the hexagon is inches. the area of the hexagon is abo

ut square inches.

1 answer:

Ulleksa [173]2 years ago

8 0

Answer: 13.9 | 96.0 | 667.2 |

Explanation:

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In interval estimation, the t distribution is applicable only when

Ilia_Sergeevich [38]

Answer: the population has a mean of less than 30

Explanation:

In interval estimation, the t distribution is applicable only when a. the population has a mean of less than 30. the sample standard deviation (s) is given instead of the population standard deviation

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3 years ago

Which of these is an agent of chemical weathering?.

Ivanshal [37]

<h2 /><h3>Which of these is an agent of chemical weathering?</h3>

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2 years ago

In long-run equilibrium, the perfectly competitive firm earns __________ economic profits.

DochEvi [55]

In perfectly competitive markets, firms in the market in the long-run, will earn zero economic profits.

<h3>What economic profits are earned in a perfectly competitive market?</h3>

In the short-run, there is a chance to earn a positive economic profit in a perfectly competitive market but this would then attract other companies into the market to make profits as well.

This then leads to the profits disappearing thanks to increased supply and lower prices. Companies would then leave and enter to either take advantage of profits or stop losses thereby keeping economic profits at zero in the long run.

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2 years ago

Present three incidences, as examples, where sport personalities right were violated

stellarik [79]

The incidences are:

Kevin Prince Boaten, a football player from Ghana, was constantly noticed because of his black race.

<h3>How does racism influence participation in sport?</h3>

Others are:

Jackie Robinson, experienced being criticized for his black color but he was said to be the first African-American player.
Anthony Mundaine was a player in Australia who opt for boxing instead of being in the Rugby League as a result of racial discrimination.

Racism is known to be a major to participation in sports. Note that as a result of people experiencing discrimination, there may be a reduction in the people's participation in it.

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2 years ago

company manufactured six television sets on a given day, and these TV sets were inspected for being good or defective. The resul

lana [24]

Sampling distribution involves the proportions of a data element in a given sample.

<em>The proportion of Good TV set is 0.67</em>
<em>The number of ways of selecting 5 from 6 TV sets is 6</em>
<em>The number of ways of selecting 4 from 6 TV sets is 15</em>

<em />

Given

$n = 6$

Sample Space = Good, Good, Defective, Defective, Good, Good

<u>(a) Proportion that are good</u>

From the sample space, we have:

$Good = 4$

So, the proportion (p) that are good are:

$p = \frac{Good}{n}$

$p = \frac{4}{6}$

$p = 0.67$

<u>(b) Ways to select 5 samples (without replacement)</u>

This is calculated using:

$^nC_r = \frac{n!}{(n - r)!r!}$

Where

$r = 5$

So, we have:

$^6C_5 = \frac{6!}{(6 - 5)!5!}$

$^6C_5 = \frac{6!}{1!5!}$

$^6C_5 = \frac{6 \times 5!}{1 \times 5!}$

$^6C_5 = \frac{6}{1}$

$^6C_5 = 6$

Hence, there are 6 ways

<u>(c) All possible sample space of 4</u>

First, we calculate the number of ways to select 4.

This is calculated using:

$^nC_r = \frac{n!}{(n - r)!r!}$

Where

$r = 4$

So, we have:

$^6C_4 = \frac{6!}{(6 - 4)!4!}$

$^6C_4 = \frac{6!}{2!4!}$

$^6C_4 = \frac{6 \times 5 \times 4}{2 \times 1 \times 4!}$

$^6C_4 = \frac{30}{2}$

$^6C_4 = 15$

So, the table is as follows:

$\left[\begin{array}{ccc}TV&Good&Proportion\\1,2,3,4&2&0.5&2,3,4,5&2&0.5&3,4,5,6&2&0.5\\4,5,6,1&3&0.75&5,6,1,2&4&1&6,1,2,3&3&0.75\\1,2,3,5&3&0.75&3,5,6,2&3&0.75&1,3,4,5&2&0.5\\1,3,4,6&2&0.5&1,4,5,2&3&0.75&2,4,6,1&3&0.75\\2,4,6,3&2&0.5&2,4,6,5&3&0.75&3,5,6,1&3&0.75\end{array}\right]$

The proportion column is calculated by dividing the number of Good TVs by the total selected (4) i.e.

$p = \frac{Good}{n}$

<u>(d) The sampling distribution</u>

In (a), we have:

$p = 0.67$ --- proportion of Good TV

The sampling error is calculated as follows:

$SE_n = |p - p_n|$

So, we have:

$\left[\begin{array}{ccc}TV&Good&SE\\1,2,3,4&2&0.17&2,3,4,5&2&0.17&3,4,5,6&2&0.17\\4,5,6,1&3&0.08&5,6,1,2&4&0.33&6,1,2,3&3&0.08\\1,2,3,5&3&0.08&3,5,6,2&3&0.08&1,3,4,5&2&0.17\\1,3,4,6&2&0.17&1,4,5,2&3&0.08&2,4,6,1&3&0.08\\2,4,6,3&2&0.17&2,4,6,5&3&0.08&3,5,6,1&3&0.08\end{array}\right]$

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3 years ago