Please help. Thank you
1 answer:
Answer:
y = 90 meters.
Step-by-step explanation:
It is given in the figure that we have two triangles triangle A and triangle B are similar.
So, .......... (1)
So, the ratio of the corresponding sides of two similar triangles remain same.
Now, x = 75 meters, n = 30 meters and m = 25 meters are given we have to find the value of y.
So, from relation (1), we have
⇒ y = 90 meters. (Answer)
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Answer:
Option B:
Classification:
The hypothesis test is Two-tailed.
Step-by-step explanation:
The mean length of imprisonment for motor-vehicle theft offenders in this country is 22.1 months.
This means that the null hypothesis is that the mean is of 22.1 months, that is:
A hypothesis test is to be performed to determine whether the mean length of imprisonment for motor-vehicle theft offenders in this city differs from the national mean of 22.1 months.
At the alternate hypothesis, we test if this mean is different of 22.1, that is:
Which means that the answer is given by option b).
Which of the following is the correct classification of the hypothesis test?
We test if the mean is different from a value, which means that the hypothesis test is Two-tailed.