Answer:
4 i think
Step-by-step explanation:
Answer:
The null hypothesis 
The alternative hypothesis 
Step-by-step explanation:
From the question we are told that
The population mean is 
Generally
The null hypothesis is that the company's new sedan, the Libra, will have an average of 
This mathematically represented as
The null hypothesis 
The alternative hypothesis is that the company's new sedan, the Libra, will have an average better than 
This mathematically represented as
The alternative hypothesis 
The length of the segment x is 16.2
Step-by-step explanation:
Here apply the Pythagorean relationship which states that the sum of squares of the sides is equal to the square of the hypotenuse.
Mathematically,
a²+b²=c²
where a=15, b=6, c=r
Hence;
15²+6²=c²
225+36=c²
√261=c
16.16
x⇒16.2
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Pythagorean relationship: brainly.com/question/11967357
Keyword: length, segment, nearest tenth
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