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Andreas93 [3]
2 years ago
10

Hong compared the player statistics from his teams tennis season. He determined that being taller implies that a player has fast

er serves. What should he say based on his findings.
Mathematics
1 answer:
polet [3.4K]2 years ago
4 0

There is a correlation between height and speed of the serve

<h3>How to interpret the player statistics?</h3>

From the question, we understand that:

The taller a player, the faster the serve

This means that:

Height implies speed

In other words, there is correlation between the height and the speed of the service

Read more about correlation at:

brainly.com/question/4219149

#SPJ1

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9x²+bx+100 as a perfect square​
jok3333 [9.3K]

Step-by-step explanation:

9x²+bx+ 100

(3x)²+ bx + 10²

(3x)² + 10² + bx

(3x)² + 10² + bx

3 0
2 years ago
Which type of stored energy is released when something burns?
krek1111 [17]

Answer:

<h3 /><h3><em><u>CHEMICAL</u></em><em><u> </u></em><em><u>ENERGY</u></em></h3>

Step-by-step explanation:

<em>HOPE </em><em>THIS </em><em>ANSWER</em><em> </em><em>WAS </em><em>HELPFUL</em>

<em>MARK </em><em>AS </em><em>BRAINLIST </em><em>PLEASE</em>

<em>IF </em><em>THIS </em><em>ANSWER</em><em> </em><em>WAS</em><em> </em><em>HELP </em><em>TO</em><em> </em><em>YOU </em>

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7 0
3 years ago
You are planning on applying to the Knirhsdaeh institute as a psychology counselor. They hire millions of psychologists around t
elena-14-01-66 [18.8K]

Answer:

The 98% of the confidence interval for the true average salary of Knirhsdaeh employees as a psychology counselor

(75.4206, 86.5794)

Step-by-step explanation:

<u><em>Step(i):-</em></u>

<em>Given that the mean of the sample = $81 k</em>

<em>Given that the size of the sample 'n' = 23</em>

<em>Given that the standard deviation for the salaries is $13 k</em>

<u><em>Step(ii):-</em></u>

<u><em>98% of the confidence interval for the true average salary of Knirhsdaeh employees is determined by</em></u>

<u><em /></u>(x^{-} - t_{0.02} \frac{S.D}{\sqrt{n} } , x^{-} + t_{0.02} \frac{S.D}{\sqrt{n} })<u><em /></u>

<u><em>Degrees of freedom = n-1 = 23-1 =22</em></u>

<u><em /></u>t_{0.02} = 2.5083<u><em /></u>

(81 - 2.0583 \frac{13}{\sqrt{23} } , 81 + 2.0583 \frac{13}{\sqrt{23} } )

( 81 - 5.57940 , 81 + 5.57940)

(75.4206, 86.5794)

<u><em>Final answer:-</em></u>

The 98% of the confidence interval for the true average salary of Knirhsdaeh employees as a psychology counselor

(75.4206, 86.5794)

7 0
3 years ago
an astronomer wishes to measure on a photograph the distance between the image of a certain star and three star other star image
Greeley [361]
The astronomer has to choose 3 star images out of 8.This is a problem of combinations. This can be expressed as 8C3 i.e. combination of 8 objects taken 3 at a time.

8C3= \frac{8!}{3!*5!}=56

This means, if 8 images are nearby the astronomer will have 56 choices <span>of the three stars.</span>
6 0
3 years ago
Hi, can anyone show me how to do this problem? 100 points for this.<br> Thanks in advance
algol [13]

Answer:

z^2 + (-1 + 5·i)·z + 14 - 7·i = 0

(1 + 2·i)^2 + (-1 + 5·i)·(1 + 2·i) + 14 - 7·i = 0

(1 + 4·i - 4) + (-1 - 2·i + 5·i - 10) + 14 - 7·i = 0

0 = 0 --> true

z^2 + (-1 + 5·i)·z + 14 - 7·i = 0

(1 - 2·i)^2 + (-1 + 5·i)·(1 - 2·i) + 14 - 7·i = 0

(1 - 4·i - 4) + (-1 + 2·i + 5·i + 10) + 14 - 7·i = 0

20 - 4·i = 0 --> false


7 0
3 years ago
Read 2 more answers
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