统计与概率
数据分析、概率分布、假设检验与统计方法。
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in chapter 3 of the scarlet letter, what does hester prynne mean when s…
Hester means that she has already been marked with shame for life whether she wears the letter or not.
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13. mean the mean a of two numbers, x and y, is given by a = \\frac{x +…
$y = 2A - x$
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this sign means:
This sign means that vehicles can turn left or go straight at the intersection.
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this sign means: a divided highway b you may turn left or go straight c…
B. You may turn left or go straight
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how are prefixes and suffixes alike? select two options. both are a typ…
A. Both are a type of affix. C. Both can change a word’s meaning.
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a flashing yellow light at an intersection means you must: a stop, chec…
C. Slow down, check for traffic, then proceed with caution
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7. factor each of the following, if possible. check with distribution. …
a) $(y + 7)(y - 3)$ b) Cannot be factored over the integers c) $2(w - 3)(w - 7)$ d) $(x + 5y)(x - 2y)$
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5. (challenge) factor by grouping, and check with distribution. $x^{2}-…
## Question 5: $(x - d)(x - 6)$ ## Question 7a: $(y + 7)(y - 3)$ ## Question 7b: Cannot be factored over the real - numbers ## Question 7c: $2(w^{2}-4w + 21)$
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this sign means:
The road ahead is slippery.
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4. factor by grouping, and check with distribution. 9x² + 3xy - 6x - 2y
$(3x - 2)(3x + y)$
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review the passage. the hyperbole is shown in bold. in a time without f…
It implies that composers were held in high regard.
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review the passage. the verbal irony is shown in bold. as i started for…
It implies that the people are more interested in entertainment than their own homes.
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1. factor out the greatest common factor of each expression. then, chec…
## a) - Factored form: $-4ab(3a^{3}- 5b^{3}+1)$ - Check: $-4ab(3a^{3}-5b^{3}+1)=-4ab\times3a^{3}-4ab\times(- 5b^{3})-4ab\times1=-12a^{4}b + 20ab^{4}-4ab$ ## b) - Factored form: $-…
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jonathan heard a news report that eating a gluten - free diet makes a p…
| | Negativa | Positiva | |---|---|---| | Gluten - free | 10 | 10 | | No gluten - free | 30 | 50 |
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question 1 1 pts what does it mean to \factor\ an expression? \factorin…
Question 1: "Factoring" is writing an expression as multiplication Question 2: $5x$
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john and lauren are looking for a good neighborhood to raise their chil…
Probabilidad que Miles es un patinador = $71\%$ Probabilidad que Anastasia no tiene hijos = $50\%$ Probabilidad que David es un patinador = $25\%$
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in everyday english, the words and or or are sometimes omitted. people …
1. AND 2. OR
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analyzing word choice america has a deeply confused image of itself tha…
They express a moral dilemma.
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america has a deeply - etched image of itself that is in practical term…
C. They celebrate diversity.
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justins dad claims that taking piano lessons will help justin get into …
- Número de adultos que tomaron lecciones de piano y asistieron a una escuela de la Ivy League: 2 - Respuesta sobre asociación: B. No, porque el 8.3% de las personas que tomaron l…
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4. kitchen appliances dont last forever. the lifespan of all microwave …
B. 34.5%
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tyler is bored in history class, so he is staring at the ceiling tiles.…
| | Square | Rectangle | Row total | |--|--|--|--| | Bright white | 25 | 10 | 35 | | Off - white | 23 | 10 | 33 | | Column total | 48 | 20 | 68 | $x = 70.59$
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finding statistical questions determine if the question posed is a stat…
1. no 2. yes 3. yes 4. no 5. yes 6. yes 7. no 8. yes 9. yes 10. yes 11. no 12. yes 13. no 14. no 15. yes 16. yes 17. yes 18. yes 19. yes 20. yes
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5. two measures of center are marked on the density curve shown. which …
5. d) The mode is at the solid line and the median is at the dashed line. 6. d) 1.2 centimeters
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finding statistical questions determine if the question posed is a stat…
1. yes 2. yes 3. yes 4. yes 5. yes 6. yes 7. yes 8. yes 9. no 10. no 11. no 12. yes 13. yes 14. no 15. yes 16. no 17. yes 18. yes 19. yes 20. yes
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tyler is bored in history class, so he is staring at the ceiling tiles.…
En la tabla de frecuencias absolutas: - En la fila "Square" y columna "Off - white": 10 - En la fila "Rectangle" y columna "Off - white": 10 - Total de la columna "Off - white": 2…
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determine if the question posed is a statistical question (yes) or not …
1) yes 2) yes 3) yes 4) yes 5) yes 6) yes 7) yes 8) yes 9) yes 10) no 11) no 12) yes 13) yes 14) no 15) yes 16) yes
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isla was researching kiwi birds. she categorized each bird she observed…
D. Northland brown kiwis were more likely to be female than tokoeka kiwis.
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the two - way table of row relative frequencies below shows data on nat…
# Explicación paso a paso: ## Paso 1: Analizar la probabilidad de que una persona con ojos marrones o avellana sea alemana Observamos que la frecuencia relativa de personas aleman…
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the two - way frequency table below shows data on playing a musical ins…
Students who do not play sports are less likely to play a musical instrument than students who play sports.
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9) select 4 that apply. the author gives examples to demonstrate the me…
"never betrayed the slightest suspicion of enthusiasm", "never smiled", "never changed his voice", "never frowned"
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a survey asked students at wilson academy which status they would prefe…
A. Un estudiante que prefiere ser saludable es más likely a sentir muy poco presión de tarea que un estudiante que prefiere ser rico.
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10) choose the best answer. the speaker describes the story simon wheel…
E. never ending
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alvaro is interested in the relationship between weather conditions and…
B. Cuando el clima era nevado, era más probable que el tren estuviera retrasado.
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13) choose the best answer. if the prefix re - means again, what does t…
to begin again
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researchers once surveyed college students on their facebook use. the f…
$\frac{137}{219}$
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the following list gives the number of defects found in 30 samples of 1…
$5.3$
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the two - way frequency table below shows data on whether karissa had a…
| | Weekday | Weekend | |--|--|--| | Had an ice - cream cone | 0.13 | 0.88 | | Did not have an ice - cream cone | 0.87 | 0.12 |
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the two - way frequency table below shows data on whether karissa had a…
| | Weekday | Weekend | |--|--|--| | Had an ice - cream cone | 0.01 | 0.88 | | Did not have an ice - cream cone | 0.99 | 0.12 | | Column total | 1.00 | 1.00 |
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the two - way frequency table below shows data on years working with th…
| | At company less than 2 years | At company 2 or more years | Row total | |--|--|--|--| | College degree | 0.26 | 0.74 | 1.00 | | No college degree | 0.70 | 0.30 | 1.00 |
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use the text to compare and contrast mandarin and cantonese. if you wan…
Is a dialect of Chinese: Mandarin - Yes, Cantonese - Yes Has four tones: Mandarin - Yes, Cantonese - No Is an official language in the United Nations: Mandarin - Yes, Cantonese - …
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kamden is a mind - reading alien. he had each friend draw and look at a…
| | Kamden guessed a star | Kamden guessed not a star | |--|--|--| | Card had a star | 0.80 | 0.50 | | Card didn't have a star | 0.20 | 0.50 |
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question 10. sort the following characteristics into the correct catego…
- Phrase: If used alone, it does not make sense or have meaning. There are two main types. It does not have a subject and a predicate. - Clause: If used alone, it can make sense a…
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the two - way frequency table below shows data on quidditch goals block…
# Explicación: ## Paso 1: Calcular la frecuencia relativa para "Bloqueó el gol" y "Placebo" Dividimos el valor de "Bloqueó el gol" y "Placebo" (30) entre la suma de los valores de…
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the two - way frequency table below shows data on quidditch goals block…
| | Placebo | Luck potion | |--|--|--| | Blocked the goal | 0.79 | 0.82 | | Did not block the goal | 0.21 | 0.18 | | Column total | 1.00 | 1.00 |
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the two - way frequency table below shows data on quidditch goals block…
| | Bloqueó el gol | No bloqueó el gol | |--|--|--| | Placebo | 0.79 | 0.21 | | Poción de suerte | 0.82 | 0.18 |
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question 1 of 3 what is the strategic advantage of using covariance.s o…
COVARIANCE.S adjusts for sample bias, which yields more precise results.
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which of the following best describes science fiction? (1 point) old st…
stories that involve robots, space, technology, or take place in the future
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nikita knows the following information about her food club that has 11 …
La tabla de frecuencia bidireccional está mostrada arriba.
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there are 40 members in a food club. the venn diagram below shows how m…
| | Les gusta las frutas | No les gusta las frutas | |--|--|--| | Les gusta las verduras | 23 | 4 | | No les gusta las verduras | 8 | 5 |
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en una ocasión, los investigadores encuestaron a estudiantes sobre qué …
52
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los equipos de la liga nacional de fútbol americano (nfl) se dividen en…
16
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watch inflation and bubbles and tulips: crash course economics #7 https…
1. a. Demand - pull inflation: Occurs when aggregate demand exceeds aggregate supply, driving up prices. b. Hyperinflation: Extremely high and accelerating inflation, often causin…
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19. what does the above quote mean? 20. do you think this is a good ana…
19. The quote implies a moral and religious obligation to defend God's truth when attacked, similar to a dog defending its master. 20. It is subjective; it has aspects of relatabi…
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an ice - chest contains 8 cans of apple juice, 4 cans of grape juice, 4…
\(\frac{2}{665}\)
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consider a political discussion group consisting of 4 democrats, 5 repu…
\(\frac{6}{91}\)
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answer the following questions in complete sentences (1 - 7) 1. why did…
1. John Calvin fled France due to religious persecution and went to Geneva, Switzerland. 2. The central idea of Calvinism is predestination, meaning God has pre - determined who w…
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williams brandished her racket at the line judge and got docked match p…
a sports implement used to strike a ball in various games
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question 3 what is the best reason why position papers include and resp…
Because when we take a position on an issue, we are participating in an ongoing conversation that others have been having about that issue.
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i shouldnt have accepted her help, but tis a tricky job, and when she c…
caused to be indebted
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____ means putting one thing below another—a ____ is someone who works …
subordinate
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“you wont put the boy on any lists, will you?” she implored. in this se…
begged or requested earnestly and urgently
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10. read the paragraphs on andrew carnegie. he began vertical integrati…
10. Vertical integration is a business strategy where a company controls different stages of the production - supply chain, from raw - material acquisition to product distribution…
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which of these pairs of variables would you expect to be represented by…
the depth of the water in a pond and the amount of rainfall
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subordinate means to: make dependent or subservient ask for or request …
make dependent or subservient
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use the graph to answer the question. this scatterplot compares the amo…
The amount of money raised increases as the number of tickets sold increases.
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complete the sentence with the word that best fits the overall meaning …
misrepresentation
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complete the sentence with the word that best fits the overall meaning …
pariah
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complete the sentence with the word that best fits the overall meaning …
a convoluted
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venus turns out not to oblige our predispositions. source: cosmos in th…
C. accommodate
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complete the sentence with the word that best fits the overall meaning …
an uneventful
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complete the sentence with the word that best fits the overall meaning …
scrutinizing
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complete the sentence with the word that best fits the overall meaning …
deteriorated
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complete the sentence with the word that best fits the overall meaning …
corroborated
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complete the sentence with the word that best fits the overall meaning …
direct
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jurisdiction has the same or almost the same meaning as: trend loss rep…
D. authority
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complete the sentence with the word that best fits the overall meaning …
secluded
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complete the sentence with the word that best fits the overall meaning …
A. confirm
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complete the sentence with the word that best fits the overall meaning …
B. a diligent
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persistence has the same or almost the same meaning as: candor zest eff…
D. continuity
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what is the meaning of the word tractable as used in the passage? use t…
obedient
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legacy means : something that is lost or surrendered as a penalty a gif…
a gift of personal property by will
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policy means : something that is remembered an item of information that…
argument rationalizing the course of action of a government
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oblige has the same or almost the same meaning as: investigate repress …
accommodate
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degrade has the same or almost the same meaning as: soothe query profit…
D. erode
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what is the meaning of the word decried as used in the passage? use the…
criticized or condemned
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is this a thesis statement? the government should subsidize college for…
yes
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oppress means to: clarify by giving an example of draw in rank or order…
come down on or keep down by unjust use of one's authority
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complete the sentence with the word that best fits the overall meaning …
adroitly
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source: robert frost, north of boston, 1914. something there is that do…
1. The neighbor. 2. Mending the wall between their properties. 3. "Something there is that doesn't love a wall". It implies an opposition to barriers. 4. "Good fences make good ne…
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complete the sentence with the word that best fits the overall meaning …
ominous
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2. the density curve shown models the distribution of a quantitative va…
b. 35%
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sharon was interested in purchasing a specific model of a used car. she…
D. Overestimate, because the residual is negative
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instructions for student complete the chart by dragging and dropping th…
cite - C. to quote as evidence to support a response explicit - D. precisely and clearly expressed, leaving no room for doubt implicit - E. implied but not stated directly interpr…
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17 multiple choice 1 point what is an analogy? something learned throug…
a comparison of two otherwise unlike things based on resemblance of a particular aspect.
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14 multiple choice 1 point what is the theme of a story or piece of wri…
the central idea, message, or underlying meaning of a story.
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central or main idea - phineas gage a gruesome but true story about bra…
analyze - C. to examine the parts of something in detail central idea - B. the most important point that an author makes about a topic in a text detail - E. a fact, a description,…
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reading questions for \the wifes story\ timeline of their relationship …
- Who is the narrator of this story? Describe them: The narrator is the wife. She is likely a female character deeply involved in a relationship with her husband, and her perspect…
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(a) what is the expected value if you buy one ticket? fill in the table…
If we assume the cost of the ticket is $\$1$ and the probabilities as above, the expected value is approximately $\$0.48$. However, without the actual probabilities and the cost o…
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ii. identification (5 items) write the correct answer on the line. 11. …
11. Fact 12. Opinion 13. Decision/Judgment 14. Capital 15. Spaces 16. C. Fact 17. A. Opinion 18. D. Conclusion 19. B. Space 20. A. Opinion 21. Every morning, Liza jogs around the …