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Sindrei [870]
3 years ago
13

Math, i can give you brainliset just help me with the two questions :)

Mathematics
1 answer:
Kay [80]3 years ago
8 0

Answer:

2. the interquartile range is 20

3. 80 is the median.

Step-by-step explanation:

have a nice day.

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Judging on the basis of​ experience, a politician claims that 57​% of voters in a certain area have voted for an independent can
uysha [10]

Answer: z= 1.51

Step-by-step explanation:

Test statistic for proportion is given by :-

z=\dfrac{p-P}{\sqrt{\dfrac{PQ}{n}}}

Where n is sample size ,p is the sample proportion , P Is the population proportion and Q =1 - P.

Given : P=57% = 0.57

Q= 1- P = 1-0.57=0.43

n = 25

p=\dfrac{18}{25}=0.72

Test statistic for proportion will be :-

z=\dfrac{0.72-0.57}{\sqrt{\dfrac{0.57\times0.43}{25}}}\approx1.51

We should report the value of test statistic z= 1.51

6 0
4 years ago
A kilogram of nuts costs $8 how much would 3/4 of a kilogram cost?
olga_2 [115]

Answer:

6 dollars

Step-by-step explanation:

3/4= 75 percent which is equal to .75

8 * .75 = 6

:)

6 0
3 years ago
What is the parent function for y = |x - 41+7?
andrezito [222]
Answer: x=34
Explanation :
0=x-34
-x= -34
Answer = x=34
6 0
3 years ago
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Which names can be used to classify this triangle? Choose all answers that are correct. A. equilateral B. acute C. right D. isos
nadezda [96]
Its a Right triangle cuz of the 90 degree square and the 2 sides that are congruent 


so, right and Isosceles 
6 0
4 years ago
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Andy divided his 1/3 jar of paint equally between two projects what fraction of a jar of paint did Andy use for each project exp
eduard
For this question, you should draw out the 1/3 model. Then split each third into two. Next, you have to put that into two projects which in the end gives you 1/6.
6 0
3 years ago
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