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Ipatiy [6.2K]
2 years ago
7

2. What factors brought about the end of communism in Eastern Europe and the Soviet Union?

Advanced Placement (AP)
1 answer:
bezimeni [28]2 years ago
5 0
The Soviet Union experienced a crisis due to economic waste. The socio-cultural crisis in the USSR occurred because of class division, the low quality of people's lives, and the government was not allowed to develop people's creativity. In particular, the system named Glasnost and Perestroika which was proclaimed by President Gorbachev was the trigger for the explosion of social revolutions in Eastern European countries.
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If the wait time is less than 30 minutes for 75% of all patients in the emergency room, what is the probability that the
Greeley [361]

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less is 0.0020

<h3>What is probability? </h3>

Probability can be defined as the likelihood of an event to occur. In statistics, the mean of the sample distribution typically shows the probability of the population.

From the parameters given:

  • The sample size (n) = 55 patients
  • Let's assume that the mean (x) = 32 (i.e. 58.2%) of the patients

The sample proportion \mathbf{\hat p} can be computed by using the expression:

\mathbf{\hat p = \dfrac{x}{n}}

\mathbf{\hat p = \dfrac{32}{55}}

\mathbf{\hat p =0.582}

If the percentage of the probability of all patients in the emergency room = 0.75

The probability that the proportion of patients who wait less than 30 minutes is 0.582 or less can be computed as:

\mathbf{( \hat P \leq 0.582) = P \Big( \dfrac{\hat p - p}{\sqrt{\dfrac{p(1-p)}{n}}} \leq \dfrac{0.582 - 0.75}{\sqrt{\dfrac{0.75(1-0.75)}{55}}} \Big )}

\mathbf{( \hat P \leq 0.582 )= P \Big( Z \leq \dfrac{-0.168}{\sqrt{0.003409}} \Big )}

\mathbf{( \hat P \leq 0.582) = P \Big( Z \leq -2.88 \Big )}

From the Z distribution table:

\mathbf{( \hat P \leq 0.582) = 0.00198}

\mathbf{( \hat P \leq 0.582) \simeq 0.0020}

Learn more about probability here:

brainly.com/question/24756209

5 0
2 years ago
Read 2 more answers
write a paragraph describing three senses that circus entertainers rely on explain why it is important
Gala2k [10]
I'm glad you asked because I just watched a video about all the senses(not just five), so hope this helps. :)

Circus Performers rely on many different senses, but here are the most important ones. 

There are way more than five senses and a lot of people don't know that.
 One of the senses they use is equilibrioception. It may sound very brainy, but it's just a big word for balance. Some tightrope walkers use this.

Another sense they use is touch. This is common. All circus performers use this to perform and make their crowd laugh!
 
The last sense is Magnetoception. Another big word with small meaning. This word just means they know the direction they're going to perform.

Circus Performers rely on many different senses, but the most important ones have been stated.
7 0
3 years ago
Which type of light is best for studying?
olga55 [171]

Answer:

Low to moderate natural light

Explanation:

I hope this helps, have a great day/night

4 0
3 years ago
Why does the moon’s shape changes in the sky? <br> PLEASEEEE HELPPPP
juin [17]
The awnser is letter -B
7 0
3 years ago
Read 2 more answers
Can someone help me pls!
Vladimir [108]

Answer:

1.A 2.D 3.B

Explanation:

sweet”) are simple sugars, the most common of which is glucose. In monosaccharides, the number of carbons usually ranges from three to seven. Most monosaccharide names end with the suffix –ose. If the sugar has an aldehyde group (the functional group with the structure R-CHO), it is known as an aldose, and if it has a ketone group (the functional group with the structure RC(=O)R′), it is known as a ketose. Depending on the number of carbons in the sugar, they also may be known as trioses (three carbons), pentoses (five carbons), and or hexoses (six carbons).

4 0
1 year ago
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