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ruslelena [56]
3 years ago
13

Help pls it math !!!!

Mathematics
1 answer:
kati45 [8]3 years ago
5 0

Answer:

C. CD and DH

D. EH and GH

F. AD and DH

H. AB and BC

K. FG and EF

Step-by-step explanation:

hope this helps

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The mayor of a town has proposed a plan for the construction of an adjoining bridge. A political study took a sample of 13001300
Ket [755]

Answer:

No, there is not enough evidence at the 0.02 level to support the strategist's claim.

Step-by-step explanation:

We are given that a political study took a sample of 1300 voters in the town and found that 57% of the residents favored construction.

And, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 54%, i.e;

Null Hypothesis, H_0 : p = 0.54 {means that the percentage of residents who favor construction is 54%}

Alternate Hypothesis, H_1 : p > 0.54 {means that the percentage of residents who favor construction is more than 54%}

The test statistics we will use here is;

                 T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1- \hat p)}{n} } } ~ N(0,1)

where, p = actual percentage of residents who favor construction = 0.54

           \hat p = percentage of residents who favor construction in a sample of

                  1300 voters = 0.57

           n = sample of voters = 1300

So, Test statistics = \frac{0.57 -0.54}{\sqrt{\frac{0.57(1- 0.57)}{1300} } }

                              = 2.185

Now, at 0.02 significance level, the z table gives critical value of -2.3263 to 2.3263. Since our test statistics lie in the range of critical values which means it doesn't lie in the rejection region, so we have insufficient evidence to reject null hypothesis.

Therefore, we conclude that the percentage of residents who favor construction is 54% and the strategist's claim is not supported.

4 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST!! DUE SOON
PilotLPTM [1.2K]

Answer:

i cant reall read the screen sorry

Step-by-step explanation:

7 0
3 years ago
Help me please!! This is due at 3:00 pm
hammer [34]
X=3

It’s a right angle so it's equal to 90 degrees and both sides are congruent.
7 0
3 years ago
HELP 5 MINS FOR QUIZ.<br><br> What is the location of point B? (-2,9) (2,-9) (9, 2) (9,-2)
Pepsi [2]

Answer:

(9,-2)

Step-by-step explanation:

9 is on x and y is -2

(x,y) is the rule so here ya go hope it helps :)

8 0
3 years ago
The Student Council at Woodlands Middle School is planning a field
Varvara68 [4.7K]

Answer:

57.5% of the students polled prefer pizza

Step-by-step explanation:

7 0
3 years ago
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