統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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2. which statement about revising is true? revising only takes a few mi…
All manuscripts you write should be revised.
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find the probability of exactly three successes in eight trials of a bi…
\(56\)
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determine whether the following statement makes sense or does not make …
C. The statement makes sense because two functions can be used to model the same data, but one function probably fits the data better than the other
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la fecha en que los fuerzas aliadas desembarcaron en normandia se conoc…
- Pregunta 16: Ninguna de las opciones es correcta (pero si hay que elegir entre las dadas, no hay una adecuada, pero si se asume un error tipográfico y se quisiera decir el Día d…
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when she abandoned herself a little whispered word escaped her slightly…
The repetition emphasizes Mrs. Mallard's excitement.
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read the sentence. once again, the spirit of the mountain answered, \as…
changed
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read the passage. fens are most commonly found in the subarctic regions…
subarctic
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1. what is a reflective essay? an essay that persuades readers to take …
an essay that examines the meaning and significance of an event or situation
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unit exam: along new roads listen which prefix means \bad, badly, wrong…
mis -
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find the probability of exactly three successes in eight trials of a bi…
\(k = 3\)
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what is the meaning of the word tone? (1 point) the words writers use t…
the writer’s attitude toward the subject
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32. the mean of a distribution is 20 and the standard deviation is 2. u…
a. \(96\%\) b. \(93.75\%\)
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find the probability of exactly three successes in eight trials of a bi…
\(q = 0.55\)
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after the e. coli outbreak, many felt that it was a(n) good time to cam…
A. opportune
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find the probability of exactly three successes in eight trials of a bi…
\(0.45\)
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30. ages of accountants the average age of the accountants at three riv…
The coefficient of variation for age (\(CV_1\approx23.08\%\)) is greater than the coefficient of variation for salary (\(CV_2\approx12.90\%\)). So, the variation in the ages of ac…
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find the probability of exactly three successes in eight trials of a bi…
\(8\)
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what is a theme in \the stone of echoes\? the stone of echoes ○ real lo…
Real love respects the freedom of others.
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28. suspension bridges the lengths (in feet) of the main span of the lo…
The data for the rest of the world is more variable.
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28. suspension bridges the lengths (in feet) of the main span of the lo…
The set of suspension bridge lengths is more variable.
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what is the primary reason for using the chi - square analysis? to calc…
to compare expected and observed values
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bajo el liderazgo de stalin, el gobierno soviético: controlaba todos lo…
- Controlaba todos los aspectos de la vida de los ciudadanos. - Problemas económicos. - Abordar democráticamente las preocupaciones del pueblo.
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what does the sentence \fui a bogotá.\ mean? (1 point) ○ i was in bogot…
I went to Bogotá.
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which of the following sentences means \it was interesting.\? (1 point)…
Fue interesante.
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4.1.8 quiz: analyze a chapter from the world without us question 5 of 1…
D. Draw conclusions based on details from the reading.
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alice grafico cuantos libros hay en la biblioteca de la escuela sobre s…
95
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4.1.8 quiz: analyze a chapter from the world without us question 5 of 1…
D. Draw conclusions based on details from the reading.
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learning goal from lesson 20.3 i can calculate the probability of compo…
a) B. \(\frac{2}{12}\cdot\frac{3}{11}\cdot\frac{2}{10}\) b) A. The probability that the first 3 tiles are different.
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un veterinario recopiló datos sobre los tipos y orígenes de las mascota…
# Explicación breve: La distribución condicional del tipo de mascota para cada fuente muestra cómo se distribuye el tipo de mascota (perro, gato, etc.) en función de una fuente es…
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12. for problems a - b, find the probability of making the specified sp…
A. \(\frac{77}{225}\)
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9. there are 52 cards in a standard deck. 12 of those cards are face ca…
\(0.002\) (rounded to the nearest thousandth)
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question 18 0.5 pts in a production process, all inputs are increased b…
decreasing returns to scale.
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9. there are 52 cards in a standard deck. 12 of those cards are face ca…
C. \(\frac{4}{15}\) ---
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which source would be most reliable for researching the most effective …
an article from a university that uses advanced statistics to determine the total calorie loss for 10 different physical activities
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dcs store a variety of products for manufacturers. the distribution cen…
customer service
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a warehouse or distribution center. (select all that apply.) stores pro…
stores products until purchased, ships orders
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the letters a, l, g, e, b, r, a are on 7 tiles in a bag, one letter on …
B. \(\frac{1}{2520}\)
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6. ashley, bob, claire, and daniel are among 13 students who entered a …
\(1296\) #### b)
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aquí hay una tabla que muestra los miles de viajeros en alabama en 2015…
Vehículo privado: 1887 Transporte público: 9 Otro: 42
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aquí hay una tabla que muestra los miles de viajeros en alabama en 2015…
La distribución marginal del método de transporte "Vehículo privado" es \(1887\) (ya que la suma de los valores en la columna "Vehículo privado" es \(1887\) como se muestra en la …
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6. ashley, bob, claire, and daniel are among 13 students who entered a …
C. 15
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she and trotter walked down the hall together, and he went first into t…
Discipline: Arts Subfield: Linguistics Final Answer: A medical uniform; She took off all her clothes, put on a long - sleeved scrub suit.
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6. ashley, bob, claire, and daniel are among 13 students who entered a …
C. 15
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una universidad encuestó a sus estudiantes sobre sus opiniones sobre la…
\(40\%\)
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3. there is a set of 12 cards numbered 1 to 12. a card is chosen at ran…
a. \(\frac{5}{12}\) b. \(\frac{1}{3}\) c. \(\frac{2}{3}\) d. \(\frac{1}{12}\) 4. B. 360
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3. there is a set of 12 cards numbered 1 to 12. a card is chosen at ran…
B. 360
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millones de estadounidenses dependen de la cafeína para despertarse por…
A. Variables, 1 de los cuales es categórico: Tipo de bebida (variable categórica). B. Variables, 2 de los cuales son categóricos: Tipo de bebida y bebidas de Ben's Beans (variable…
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3. there is a set of 12 cards numbered 1 to 12. a card is chosen at ran…
B. 360
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a total of 1200 employees at a large company are surveyed and asked to …
None of the other answer options are correct.
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which statements describe the last two lines of a shakespearean sonnet?…
- They change the sonnet's rhythmic pattern. - They are the last two lines of a quatrain. (This is incorrect, they are the last two lines of the sonnet, not a quatrain. But assumi…
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question 18 2 pts eileens score on a history exam is at the 95th percen…
Eileen's score cuts off the top 5% of all scores.
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lesson 20.3 checkpoint once you have completed the above problems and c…
1. C. \(\frac{10}{20}\cdot\frac{9}{19}\cdot\frac{8}{18}\) 2. B. The probability that the \(1^{st}\) 2 marbles are all yellow.
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learning goal from lesson 20.1 i can construct and interpret two - way …
1. D. \(\frac{75}{82}\) 2. a) B. \(\frac{1}{13}\) b) A. \(1\)
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question 16 2 pts a random sample of 5,000 college students are selecte…
response error
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learning goal from lesson 19.4 can construct and interpret two - way fr…
1. \(\frac{47}{150}\) 2. \(\frac{41}{150}\) 3. \(\frac{61}{75}\)
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select the correct answer(s) for each question. a critical function of …
customer service
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learning goal from lesson 19.3 i can calculate the probabilities of com…
1. B. \(\frac{1}{2600}\) 2. \(\frac{33}{323}\) 3. D. \(\frac{_{5}C_{2}}{_{9}C_{2}}=\frac{5}{18}\)
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lesson 19.2 checkpoint once you have completed the above problems and c…
1. A. 5040 2. D. \(\frac{1}{6720}\)
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question 15 2 pts the weights of pumpkins grown at an ohio farm follow …
\(1.3\)
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question # 10 multiple choice which of the following is not a cost asso…
- **Question 10**: the cost of actually delivering the inventory to buyers - **Question 11**: customers, companies that buy from the distribution center, the company that owns the…
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every halloween, trick - or - treaters love going to isaacs house to se…
\(2\)
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an ecologist records the heights of hundreds of trees of a single speci…
The tree is closer to the 95th percentile than to the 90th percentile.
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question 11 2 pts a nutrition researcher wants to examine how type of b…
6
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find the standard deviation, (sigma), of the data. 16, 13, 20, 16, 12, …
$2.6$
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what is the mode of the following set of data. * 1 point 9, 6, 8, 20, 7…
- Mode: none - Range: 14
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a total of 80,000 people reside in the city of riverbank. a random samp…
6.5%
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a check of prices charged for single vision eye glasses at 20 optical c…
skewed right
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a check of prices charged for single vision eye glasses at 20 optical c…
Q1: 168, Q3: 197
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a check of prices charged for single vision eye glasses at 20 optical c…
\(Q_1 = 171.5\), \(Q_3=206\)
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that spot by jack london i dont think much of stephen mackaye any more,…
The narrator no longer thinks of Stephen Mackaye despite having spent much time with him.
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when 30 older women were asked about the types of exercise that they mo…
23%
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question 9 2 pts a sample of college students was surveyed and asked ab…
The median is \(\$21.65\) because the distribution is skewed to the left.
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when 30 elder women were asked about the types of exercise that they mo…
C. Categorical
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the utility of language learning technology in recent years is an indic…
Accessibility to online Mandarin learning resources does not support why people should learn it.
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gary and ralph each complete a different standardized mathematics test.…
Ralph
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question 7 2 pts a researcher is interested in determining if students …
The response variable is the final exam score received by the student.
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some people may doubt memoir not because they mistrust human memory but…
It is contradictory to state that compelling memoir is profitable and also that there is no reason to embellish a memoir.
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calls made to a teen pregnancy hotline over a 13 - day period resulted …
Not a Definite Shape
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question 6 according to university records, in a population of undergra…
3.81 is a parameter and 3.75 is a statistic.
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midterm exam scores from students in a morning and an evening section o…
It's impossible to know which section has more students enrolled in it.
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according to a physical fitness organization, the amount of time, in se…
About \(16\%\) of students take less than \(392\) seconds to run a mile.
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mary buys a used car use the information below to answer both 8.a and 8…
A. The y - intercept is (0, 11,000) and it represents the value of the car when Mary bought it.
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examine the following psa. which change in visual elements would most s…
making the most important information prominent
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a committee of six congressmen will be selected from a group of seven r…
\(140\)
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\my aunt will be down presently, mr. nuttel,\ said a very self - posses…
He does not expect the visit among strangers to have much value.
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problem solving how many people must attend the third show so that the …
$3500$
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sort words according to the meanings of their prefixes or suffixes. ine…
- Suffix means done in a certain way: gently, softly, secretly, easily - Prefix means not: inexpert, inexpensive
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we talked in lecture about different conclusions that can be drawn in a…
We should not generalize the results to the population, nor should we infer that one variable is causing the other.
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evaluate the expression. 13c3 13c3 = (simplify your answer.)
\(286\)
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question 2 the following information is recorded for each person who us…
categorical; numerical
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which elements are most likely to be included in public service announc…
facts or statistics, appealing images
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select the text from the paragraph that best helps you understand that …
people tend to make faint movements
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if you roll two fair dice (one black die and one white die), in how man…
35
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read the passage and then answer the question. in the early 1900s, a sc…
tendency
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select the text from the paragraph that best helps you understand that …
not possess any mathematical acumen. Instead, he was just picking up on subtle changes in people's body language and using these cues to arrive at the correct number of taps
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which correlation coefficient represents the strongest downward trend i…
A. \(-0.83\)
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cathy can purchase apples from four different stores. which statement i…
C. Store C has the lowest price per apple because purchasing exactly 24 apples from each store will cost Cathy the least amount at store C.
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the table shows musical genres and numbers of songs downloaded onto a c…
B. about 1 out of every 3 songs
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the value of the shop local movement is evidenced by its unexpected sup…
Support for an initiative by a well - known entity does not mean the initiative is justified.
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the manager of a company records the numbers of sales of a product base…
C.