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3 years ago

In which country would you find people of almost entirely Spanish and Italian ancestry?

Social Studies

1 answer:

sattari [20]3 years ago

5 0

B argentina because spanish and italians are relitives of people from argentina

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Hens usually begin laying eggs when they are about 6 months old. Young hens tend to lay smaller eggs, often weighing less than

miv72 [106K]

Answer:

$\large\boxed{\large\boxed{1.33g}}$

Explanation:

Your question has one part only: a) The average weight of the eggs produced by the young hens is 50.1 grams, and only 25% of their eggs exceed the desired minimum weight. If a Normal model is appropriate, what would the standard deviation of the egg weights be?

<h2>Solution</h2><h2></h2>

You are given the mean, the reference value, and the percent of egss that exceeds that minimum.

In terms of the parameters of a normal distribution that is:

mean = 50.1g (μ)

X = 51 g

Area of the graph above X = 51 g = 25%

Using a standard normal distribution table, you can find the Z-score for which the area under the curve is greater than 25%, i.e. 0.25

The tables with two decimals for the Z-score show probability 0.2514 for Z-score of 0.67 and probabilidad 0.2483 for Z-score = 0.68.

Thus, you must interpolate. Since, (0.2514 + 0.2483)/2 ≈ 0.25, your Z-score is in the middle.

That is, Z-score = (0.67 + 0.68)/2 = 0.675.

Now use the formula for Z-score and solve for the standard deviation (σ):

$Z-score=(x-\mu)/\sigma$

$0.675=(51g-50.1g)/\sigma$

$\sigma =0.9g/0.675=1.33g$

6 0

3 years ago

O. H. Mowrer trained children to discontinue bed-wetting by arranging for an alarm to sound each time they wet their beds. This

mojhsa [17]

Answer:

classical conditioning.

Explanation:

Classical conditioning: In psychology, the term classical conditioning was proposed by one of the most influential psychologist and behaviorist named Ivan Pavlov. He has discovered the classical conditioning theory while experimenting on dogs and has included a few basic terms associated with it including unconditioned stimulus, unconditioned response, the conditioned stimulus, and conditioned response.

Classical conditioning is described as a learning theory that involves a conditioned stimulus that gives rise to a conditioned response after connecting with an unconditioned stimulus.

In the question above, the technique best illustrates the classical conditioning.

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3 years ago

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Katen [24]

The answer would be the first x

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3 years ago

In what ways were the Age of Discovery and the rise of imperialism expressions of an expansionist worldview?

mixas84 [53]

During both periods, countries with much wealth and power wanted to expand their territories and become huge empires. Of course, we all know how that ended with many of them either being completely wiped off the map, or becoming significantly weaker after a while.

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3 years ago

Many people who are treated in hospital emergency rooms for nonfatal, self-inflicted injuries were probably making suicide attem

Alisiya [41]

Many people who are treated in hospital emergency rooms for nonfatal, self-inflicted injuries were probably making suicide attempts, especially: Teenage girls.
Researches showed that teenage girls are more prone to anxiety compared to the teenage boys. This anxiety could potentially develop into depression which is the most likely reason for those suicide attempts.

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3 years ago