The correct answer using the graphical method and analytical method of vector addition will always be identical.
1 answer:
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Considering the situation described, the null hypothesis is given as follows:
.
At the null hypothesis, it is tested if the <u>mean is the same as in the Census</u>, of $64,000, hence:
.
At the alternative hypothesis, it is tested if the mean is different from the Census, hence:
.
More can be learned about hypothesis tests at brainly.com/question/13873630
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Answer:
Step-by-step explanation:
We have
23 x 36 mod 5 = 3 (since unit digit is 8)
23x36 mod 11 =3
Since 5 and 11 are prime we get
23x36 mod 55 = 3 mod 55
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b) 91 = 13 x7
29x51 mod 91 =23