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Illusion [34]
3 years ago
14

Each of the following hypothetical data sets represents some repeated weighings of a standard weight that is known to have a mas

s of 100 g. Assume that the readings are a random sample from a population that follows the normal curve. Perform a t test to see whether the scale is properly calibrated, if possible. If impossible, explain why.
a. 100.02.99.98,100.03
b. 100.01
Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Which graphs below represent an exponential function? Select all that apply.
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What is the area of the triangle shown below?
elena-s [515]

Answer:

5 un^2

Step-by-step explanation:

the liens from (0, 0) to (1, 3) and (1, 3) to (4, 2) are perpendicular meaning that the angle at (1, 3) is a right angle

to find the lengths of the sides we must use the pythagorean theorem

a^2 + b^2 = c^2

for the leftmost side

we have 1^2 + 3^2 = c^2

1 + 9 = 10

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for the top side

we have

the same thing

1^2 + 3^2 = c^2

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c^2 = 10

c = sqrt(10)

you must multiple sqrt(10) by sqrt(10) and then by 1/2

sqrt(10) * sqrt(10) is 10

10 * 1/2 is 5

the area is 5 un^2

5 0
1 year ago
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