BRAINIEST TO WHOEVER RIGHT

Mathematics

1 answer:

ioda2 years ago

3 0

Answer:

The range of data is 1 ,that is from -9 to 6

75% of data lies between -9 and 3.5 or 4

The onterquartile value is -1.5

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A survey found that 89% of a random sample of 1024 American adults approved of cloning endangered animals. Find the margin of er

Kobotan [32]

Answer:

The margin of error for the survey is 0.016

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1024

Sample proportion:

$\hat{p} = 89\% = 0.89$

We have to find the margin of error associated with a 90% Confidence interval.

Formula for margin of error:

$z_{stat}\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.10} = 1.64$

Putting the values, we get:

$M.E = 1.64\times (\sqrt{\dfrac{0.89(1-0.89)}{1024}})\\\\M.E=0.016$

Thus, the margin of error for the survey is 0.016

3 0

3 years ago

Determine the measures of ∠ L and ∠ M . The figure shows a triangle UpperWord LMN. Sides UpperWord MN and UpperWord LN of this t

ELEN [110]

Answer: Determine the measures of ∠ L and ∠ M . The figure shows a triangle UpperWord LMN. Sides UpperWord MN and UpperWord LN of this triangle are produced to points Upper O and Upper P respectively. The angle UpperWord ONP is labeled as 48 degree, angle UpperWord NLM is labeled as x, and the angle UpperWord LMN is labeled as x.

Step-by-step explanation: hope this helped :) brainly please?

5 0

3 years ago

The lengths of the sides of the triangle are 3, 8, and 10. Is the triangle a right triangle, acute triangle, or an obtuse triang

weqwewe [10]

Answer:

Obtuse

Step-by-step explanation:

You have to make sure it is a triangle by adding the smallest and the medium sides, if the result is greater than the bigger side then it is a triangle.
you then use the Pythagorean theorem to check if the triangle is a right triangle, acute, or obtuse. If $c^{2}$ = $a^{2} +b^{2}$ then it is a right triangle. If $c^{2} >a^{2} + b^{2}$ then it is an obtuse triangle. if $c^{2} < a^{2} +b^{2}$ then it is an acute triangle.