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Sophie [7]
4 years ago
5

Please give answer to question 1.b with explanation. Will give brainliest if explanation is good

Mathematics
1 answer:
solniwko [45]4 years ago
5 0

Answer:

60 degrees

Step-by-step explanation:

every angles of a triangle is 180 degrees so,

180 \div 3 = 60degrees

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In a random sample of 62 professional actors, it was found that 40 were extroverts. Please find the point estimate, 95% confiden
den301095 [7]

The point Estimate is 0.645 , the confidence interval is (0.525 ,0.764).

<h3>What is Point Estimate ?</h3>

The point estimate is the proportion of success in the sample.

From the data given

p = 40/62

p = 0.645

The point Estimate is 0.645

(b) Confidence interval for true proportion is

\rm {p -Z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}  , p +Z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}

For 95 % Z = 1.96

p =0.645

1-p = 0.355

putting the values

\rm {0.645 -1.96 \sqrt{\dfrac{0.645\times0.355}{62}}  , {0.645 +1.96 \sqrt{\dfrac{0.645\times0.355}{62}} \\

(0.525 , 0.764)

Lower Limit = 0.525

Upper Limit = 0.764

To know more about Point Estimate

brainly.com/question/17514579

#SPJ1

3 0
2 years ago
Tom's total payment for his loan was $10,368.
g100num [7]

Answer:

$216

Step-by-step explanation:

This question does not involve interest, so all we need to do is to divide the  total of payments ($10,368) by the number of payments (48):

$10,368

--------------- = $216/month

      48

5 0
3 years ago
Read 2 more answers
What is 2.4(1.8) as w in algebraic form.
julsineya [31]

Answer:

2.4*1.8W= 4.32

Step-by-step explanation:


3 0
3 years ago
Which step in conducting research should be done before writing a research question?
zaharov [31]

Answer:

It is C

Step-by-step explanation:

You have to make a subject to research before your make a question, because you dont know what your looking for then.

I know i might be late but can i have brainliest if its correct so i can level up?

Thank you!

7 0
4 years ago
8 ^ x * 16 ^ x - 1 equals 1​
Lana71 [14]

Answer:

{8}^{x}  \times  {16}^{x }  - 1 = 1 \\  {2}^{3x}  \times  {2}^{4x}  = 1 + 1 \\  {2}^{7x}  =  {2}^{1}  \\ 7x = 1 \\ x =  \frac{1}{7}

7 0
3 years ago
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