3 years ago

Line l and line m are straight lines. What is the measure of angle y?

Mathematics

1 answer:

qwelly [4]3 years ago

8 0

Answer: 190

Step-by-step explanation:

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A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted in a sample

djyliett [7]

Answer: $(0.10\ ,\ 0.18)$

Step-by-step explanation:

According to the empirical rule, the 95% confidence interval for the true population proportion is given by :-

$(p'-2\sigma_{p'}\ ,\ p'+2\sigma_{p'})$

Given : . The survey resulted in a sample proportion of p′=0.14, with a sampling standard deviation of σp′=0.02, who preferred reading an e-book.

Then, the 95% confidence interval for the true proportion of adults who prefer e-books will be :-

$(0.14-2(0.02)\ ,\ 0.14+2(0.02))\\\\=(0.14-0.04\ ,\ 0.14+0.04)\\\\=(0.10\ ,\ 0.18)$

Hence, the 95% confidence interval for the true proportion of adults who prefer e-books= $(0.10\ ,\ 0.18)$

8 0

2 years ago

Graph Photo attached

Andreas93 [3]

$p(green) = \frac{no \: of \: green}{total \: } \\ p = \frac{8}{40} \times 100\% \\ p = 20\% \\$
option 2

3 0

2 years ago

Convert to a fraction: 0.5

igomit [66]

Answer:

5/10

Step-by-step explanation:

0.5 converted to a fraction is 5 out of 10.

Hope this helps!

4 0

2 years ago

Read 2 more answers

I need help, i have a quiz on it soon.

Nezavi [6.7K]

Answer:

okay

Step-by-step explanation:

complementary angles are angles that add up to 90 degrees

so what you would do is take each number that you have and subtract it from 90

In the first one you would

1. take 90-80

2. you get your answer of 10!

i hope this helps :)

8 0

2 years ago

a climber starts descending from 504 feet above sea level and keeps going until she gets to 40 feet below sea level, how may fee

GenaCL600 [577]

Answer:

544 feet.

Step-by-step explanation:

|504| +|-40|=544

8 0

2 years ago