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2 years ago

Change 1/2 as a fraction

Mathematics

2 answers:

dimaraw [331]2 years ago

8 0

Answer:

0.50 ,1/2 as a fraction 1/2

Step-by-step explanation:

Valentin [98]2 years ago

7 0

Hey there!

1/2 is already a fraction but they are numerous of fractions that are equivalent to it!

The decimal form of 1/2 is: 0.50

Here’s some of them…..

= 2/4

= 3/6

= 4/8

= 5/10

Good luck on your assignment & enjoy day!

~Amphitrite1040:)

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Suppose it is known that 8 out of the 20 teams in the sample had a season winning percentage better than 0.500.

Ganezh [65]

Answer:

The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence interval $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

Z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

8 out of the 20 teams in the sample had a season winning percentage better than 0.500. This means that $n = 20, \pi = \frac{8}{20} = 0.4$ .

95% confidence interval

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The lower limit of this interval is:

$\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 - 1.96\sqrt{\frac{0.6*0.4}{20}} = 0.1853$

The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 + 1.96\sqrt{\frac{0.6*0.4}{20}} = 0.6147$

The 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500 is (0.1853, 0.6147).

3 0

3 years ago

Help me with this answer

Hatshy [7]

Can you please put your question first???

In comment box:)

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3 years ago

Be a detective and solve this case: There are 53 bicycles in a room, and a man is dead on the floor next to them. Why was the ma

mina [271]

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3 years ago

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Oksana_A [137]

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2 years ago

Ice cream cost $4.96 for 4 litres how much for 6 litres

aivan3 [116]

Answer:

$7.44

Step-by-step explanation:

$4.96/ 2= 2.48

$2.48 X 3 = 7.44

6 0

3 years ago

Read 2 more answers