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2 years ago

I will mark that person brainliest if they answer correctly and must be well explained

Mathematics

2 answers:

Zolol [24]2 years ago

6 0

it is 180

hope this helps

Klio2033 [76]2 years ago

4 0

The answer would be 180 degrees.

Any triangle, whether it's right, obtuse, acute, etc., will always equal 180 degrees. As it is stated, if ABC is a triangle, then ∠ABC + ∠BCA + ∠CAB = 180 degrees.

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riadik2000 [5.3K]

Answer:

$H_0:\mu =45\\\\H_a:\mu\geq 45$

Step-by-step explanation:

Since we have given that

A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 45 minutes.

Since we need to carry out a hypothesis test whether he can refute the claim.

We always take the alternate hypothesis such that it should satisfy the given statement.

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$H_0:\mu =45\\\\H_a:\mu\geq 45$

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