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2 years ago

What is the probability of flipping a coin 50 times and getting tails 22 times or fewer

Mathematics

2 answers:

Leno4ka [110]2 years ago

6 0

The probability of flipping a coins is
22/55

8_murik_8 [283]2 years ago

5 0

The probability would be 11/25

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A national organization sets out to investigate the change in prevalence of HIV since the last census in 2010. A total of 4,706

nikitadnepr [17]

Answer:

As can be seen, there has been a rise in the proportion of the population with HIV positive, from 7.5% to 9.94%.

Step-by-step explanation:

Given that a national organization sets out to investigate the change in prevalence of HIV since the last census in 2010, ya total of 4,706 participants were interviewed and a total of 468 responses were confirmed to be HIV positive, assuming that the data from the census indicated that the prevalence of HIV in the particular population was 7.5%, to determine if the proportion of the prevalence of HIV has changed (is equal to 7.5%) the following calculation should be performed:

4706 = 100

468 = X

468 x 100/4706 = X

46,800 / 4,706 = X

9.94 = X

Therefore, as can be seen, there has been a rise in the proportion of the population with HIV positive, from 7.5% to 9.94%.

4 0

2 years ago

Round 62,686 to nearest hundredth

Semenov [28]

Answer: 62.7 is rounded to the nearest hundredth.

Step-by-step explanation:

Because...

if you look at the 6 at the hundredth place then you have to look at the number next to it, which is 8 and since it's 5 and greater it the 6 becomes a 7 and therefor, the answer is 62.7.

* Hopefully this helps:) Mark me the brainliest:)!!

5 0

2 years ago

Enter the solution to the inequality in the box.<br><br><br><br> 7−3(x+5)+8x≤17

polet [3.4K]

Solve for x by simplifying both sides of the inequality, then isolating the variable.
x < 5
ps: the less than sign has a underline i cant do it through here but you know what i mean.

7 0

2 years ago

Read 2 more answers

Members of the theater club sold tickets for the spring

Tpy6a [65]

so basically what i was thinking of was they sold them in the spring

8 0

2 years ago

Part of the arena is being turned into a public darkroom. The floor needs covering in rubber tiles before work can begin on the

vladimir2022 [97]

The number of tiles used is 300 tiles.

According to the statement

We have given that:

The tiles are 20 cm by 30 cm. And the dark room floor is 6 meters by 3 meters.

And we have to find that the number of tiles used to prepare the dark room.

So, For this purpose we have to find the area of the room floor.

The area of the floor is 6 *3.

The area of the floor is 18 meter per square.

The area of the tile is 0.2*0.3

The area of the tile is 0.06 meter per square.

Now,

The number of tiles used is 18/0.06

The number of tiles used is 300.

So, The number of tiles used is 300 tiles.

Learn more about Area here brainly.com/question/10090807

#SPJ1

7 0

1 year ago