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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a probability experiment is conducted in which the sample - space of th…
List the outcomes in E and G: B. E and G = {} Are E and G mutually exclusive? B. Yes, because the events E and G have no outcomes in common.
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graphs unit test high school enrollments if a fifth high school is adde…
7
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a probability experiment is conducted in which the sample space of the …
B. E and G = {}
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graphs unit test the graph shows the enrollment at four high schools. h…
Liberty
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use the graph to answer the question. how many people averaged fewer th…
7
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the key for a stem - and - leaf plot is 12|5 = 125. identify the leaf: …
B. 6
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use the table to answer the question. you collected the following data …
$24\%$
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a probability experiment is conducted in which the sample space of the …
B. E and G = {}
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a probability experiment is conducted in which the sample space of the …
List the outcomes in E and F: A. {12,13} Are E and F mutually exclusive? C. No. E and F have outcomes in common.
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a probability experiment is conducted in which the sample space of the …
A. 12,13; No, E and F are not mutually exclusive.
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11. which meaning of the word pen is used in this sentence? i was able …
to write
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a bag of 100 tulip bulbs purchased from a nursery contains 30 red tulip…
(a) 0.3 (b) 0.35 (c) A. If 100 tulip bulbs were sampled with replacement, one would expect about 30 of the bulbs to be red and about 35 of the bulbs to be purple.
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6. which meaning of the word project is used in the following sentence?…
speak loudly
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a bag of 100 tulip bulbs purchased from a nursery contains 30 red tulip…
(a) 0.3 (b) 0.35 (c) The probability 0.3 of selecting a red tulip means about 30% of the time a red - colored tulip bulb would be selected in repeated selections. The probability …
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a bag of 100 tulip bulbs purchased from a nursery contains 30 red tulip…
(a) 0.3 (b) 0.35 (c) The probability 0.3 means that in repeated random selections of a tulip bulb, about 30% of the time a red tulip bulb will be chosen. The probability 0.35 mean…
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1. which phrase in the sentences is a simile? the horse stomped the gro…
B. like he was putting out a fire
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1. what does the prefix a, ab, abs mean? - a) toward - b) away, from - …
1. b. away, from 2. b. annex 3. b. two 4. a. circum 5. b. with, together 6. a. de
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clance, roberto, and john work for a publishing company. the company wa…
(a) D. CR, CJ, RJ (b) 0.333 (c) 0.667 (d) 0.333
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use the graph to answer the question. the bar graph shows the number of…
15
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clance, roberto, and john work for a publishing company. the company wa…
(a) D. CR, CJ, RJ (b) $\frac{1}{3}$ (c) $\frac{2}{3}$ (d) $\frac{1}{3}$
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let the sample space be s = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. suppose th…
0.3
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the table shows the movement of walt disney stock for 30 randomly selec…
A. Yes, because as we increase the number of trials of a probability experiment, our estimate becomes more accurate due to the Law of Large Numbers.
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question 1 which sentence is most important to include in a summary of …
A. Ayurveda is a medicine system from ancient India that focused on balancing the mind, body, spirit, and environment.
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the table shows the movement of walt disney stock for 30 randomly selec…
It is not unusual because for every 100 days, we can expect about 50 of those days to show "Down".
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the table shows the movement of walt disney stock for 30 randomly selec…
(c) 0.400 (d) is not; 50
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the table shows the movement of walt disney stock for 30 randomly selec…
0.400
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the table shows the movement of walt disney stock for 30 randomly selec…
empirical
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the table shows the movement of walt disney stock for 30 randomly selec…
| Stock Movement | Probability | | ---- | ---- | | Up | 0.400 | | Down | 0.500 | | No Change | 0.100 |
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exercise f fill in the blanks to complete the conversation. (1) a: do y…
(1) does it mean (2) do you spell it (3) does he sleep (4) Do you have (5) do you have (6) do you say (7) is his name (8) is he (9) do they live (10) do they cost (11) Are parrots…
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called purple states. 4. the federalist/democratic/republican party in …
4. Federalist 5. Democratic 6. Red 7. Rolling realignment refers to the gradual and continuous shift in party - voter allegiances over time.
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the pacific ocean is calmer than the atlantic ocean. fittingly, pacific…
A. NO CHANGE
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in a national survey college students were asked, how often do you wear…
| Response | Probability | |--|--| | Never | 0.028 | | Rarely | 0.065 | | Sometimes | $\frac{560}{4747}\approx0.118$ | | Most of the time | $\frac{1313}{4747}\approx0.277$ | | Alw…
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question 7 of 8 > attempt 3 when interest rates are low, some automobil…
Rebate You would save $44.00$
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meaning options (3 of 3) to write a capital letter a word that modifies…
adjective: a word that modifies, or describes, a noun or pronoun capitalize: to write a capital letter proper adjective: a specific adjective that begins with a capital letter whe…
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in a national survey college students were asked, \how often do you wea…
$0.525$
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a police officer randomly selected 552 police records of larceny thefts…
(a) Calculate probabilities for each type of larceny theft using $P=\frac{\text{Number of offenses of that type}}{552}$ and round to three decimal places. (b) Calculate the probab…
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in a national survey college students were asked, how often do you wear…
A. Yes, because P(never) < 0.05
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in a national survey college students were asked, how often do you wear…
$0.250$
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in a national survey college students were asked, \how often do you wea…
0.127
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in a national survey college students were asked, \how often do you wea…
0.074
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in a national survey college students were asked, how often do you wear…
$0.024$
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a survey of 200 randomly selected high school students determined that …
(a) $0.750$ (b) B. If 1,000 high school students were sampled, it would be expected that about 750 of them play organized sports.
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a survey of 200 randomly selected high school students determined that …
(a) $0.750$ (b) If we randomly select a high - school student from the population that is similar to the surveyed group, there is a $75.0\%$ chance that the student plays organize…
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if a person draws a playing card and checks its suit and then spins a t…
C1, C2, C3, D1, D2, D3, H1, H2, H3, S1, S2, S3
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which of the following numbers could be the probability of an event? 0,…
\(0,0.05,0.32,1\)
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8. (review from unit 1) given the following data set: 65, 70, 70, 70, 7…
I, II, and III are correct for this data set.
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a police officer randomly selected 587 police records of larceny thefts…
D. Yes, because P(coin - operated machine)< 0.05
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what does the term \syntax\ mean? it refers to the way words are arrang…
It refers to the way words are arranged in phrases, clauses, and sentences.
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what does the term \diction\ mean? it means the word choices that an au…
It means the word choices that an author makes.
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10. the watson family is planting a garden. the cost of getting sod ins…
\(C(S(12)) = 206.16\). This means that when the length of the brick - wall is 12 feet, the cost of getting the sod installed for the garden is \(206.16\) dollars.
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a police officer randomly selected 587 police records of larceny thefts…
(a) Calculate probabilities for each type of larceny theft using $P(E)=\frac{\text{Number of thefts of type }E}{587}$ and round to three decimal places. (b) Compare the probabilit…
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the manager at a new bank wants to hire enough tellers to ensure no cus…
$-0.706$
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researchers at a pharmaceutical company are testing a new drug that reg…
$-0.462$
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playing video games makes gwen so happy that she thinks it even helps h…
\(-0.19\)
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pamela is a programmer in silicon valley and spends most of her day typ…
$r\approx0.9$
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devin thinks that text messaging is causing him to talk less on the pho…
$-0.946$
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based on the graph, which statement is true ? y = x + 2 (1,3) point of …
The point of intersection means that when \(x = 1\) the two functions will have the same value of \(y\) which \(=3\).
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members of the popular band drumsolo are concerned that the songs on th…
\(-0.22\)
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candice runs a bakery whose menu lists the number of calories in each i…
$r\approx0.881$
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many researchers argue that teens today have weaker social skills than …
Teens communicate mostly face to face.
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many researchers argue that teens today have weaker social skills than …
Teens have weaker social skills.
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question 4 of 10 < > - / 1 三 : view policies current attempt in progres…
B. Scatterplot (b)
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a student working an independent research project wants to investigate …
It would mean that the more sleep individuals get, the higher their BMI tends to be.
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question 2 of 10 view policies current attempt in progress match the co…
C
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read & respond use the text below to answer the question. the puritans …
A. They are in charge of both the church and the government in their country.
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assume that 30% of city employees in city a ride the bus to work. consi…
When the percentage of city employees who ride the bus to work is 10% higher in City B than in City A, the percentage of city employees in City B who ride the bus to work is 33%. …
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complete the following sentence. in 2020, the median age at first marri…
$9.4$
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question #1 a(n) ____________ follows a linking verb and identifies or …
Question #1: A. Subject complement Question #2: True
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contextualization: document 3 - excerpt of chief justice roger b. taney…
1. Can a negro, whose ancestors were imported into the country and sold as slaves, become a member of the political community formed and brought into existence by the Constitution…
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question 1 1 pts suppose the value x = 5 is a zero of a function f(x). …
**Question 1**: B. ALL of these answer choices describe what it means for \(x = 5\) to be a zero of \(f(x)\) **Question 2**: A. - 4 and 1 **Question 3**: A. \(g(x)=-2(x + 7)(x - 3…
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question 1 1 pts suppose the value x = 5 is a zero of a function f(x). …
Question 1: D. All of these answer choices describe what it means for \(x = 5\) to be a zero of \(f(x)\) Question 2: D. \(-4\) and \(1\) Question 3: B. \(g(x)=-2(x + 7)(x - 3)\)
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sharing ones personal information with the wrong crowd. young adults ne…
"People looking to do harm could use posted information to identify them or gain their trust"
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complete the chart by dragging and dropping the correct meaning into th…
capitalize - to write a capital letter closing - the ending of a friendly or formal letter; first word should be capitalized salutation - the greeting of a friendly or formal lett…
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which of the following statements is true? the indian appropriations ac…
The Indian Appropriations Act of 1871 meant that tribes were no longer classified as independent nations.
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this graph shows what type of correlation? constant cyclic exponential …
B. Cyclic
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¿comprendes? 1. you probably were able to understand most of the words …
1. - revelan: reveal - generoso: generous - natural: natural - apasionada: passionate - independiente: independent - romántico: romantic 2. - a. Yellow (assuming social color asso…
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an experiment was done and showed that as students’ attendance increase…
B. Direct relationship
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what is this graph missing? check all that apply. the date in the title…
C. The units on the x - axis D. A y - axis label
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what are the requirements that must be on a graph: title, x - axis labe…
# Breve explicación: Un gráfico debe tener un título que describa el contenido general. Las etiquetas de los ejes X e Y indican lo que se representa en cada eje. Las unidades indi…
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given: p(e)=0.35, p(f)=0.53, and p(e∪f)=0.71. find p(e∩f) and p(f|e). a…
C. $P(E\cap F)=0.17$ and $P(F|E)=0.49$
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2) a random variable x has a probability distribution as follows: | x |…
B. 5/17
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which graph compares variables over time? line graph bar graph time lin…
A. Line Graph
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1) a service center receives an average of 0.9 customer complaints per …
C) 0.084
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this graph shows what type of correction? exponential direct constant i…
D. Indirect
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read the quotation on the right, from a senator who opposed the dawes a…
The stated goals of the Dawes Act are different from the act's real purpose.
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name: date: show work neatly. answer word problems in complete sentence…
c. \(100\% - 75.3\%\)
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karen arrives at the subway station every day at a random time and take…
B. The A train always arrives 10 minutes after the B train, so Karen takes train B and does not wait for train A.
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the amount of garbage, g, produced by a city with population p is given…
a. $f(30000)=10$ b. The town of Tola has a population of 70000 and produces 17 tons of garbage each week.
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b. rewrite definitions directions: reread the definitions and sentence …
# Breve explicación: Para cada palabra, identificamos la raíz o prefijo y lo incluimos en la definición, manteniendo la longitud máxima de cinco palabras. # Respuesta: 11. credenc…
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a recent study of over 400,000 older people in eight states asked parti…
(a) Does drinking coffee reduce health costs for older people? (b) Population: All older people in eight states (over 400,000). Sample: Participants in the study who were asked ab…
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read the excerpt from julius caesar act 2 scene 1. brutus. it must be b…
The warm praise of the people can cause Caesar to be more powerful and dangerous.
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question 14 1 pts a jar contains 20 red, 30 blue, 10 white, 14 purple, …
First, find the total number of marbles: \(20 + 30+10 + 14+12=86\). The colors on the US - flag are red, white, and blue. The number of red, white, and blue marbles is \(20 + 10+3…
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we the people what type of people did we the people refer to in 1787? h…
1. In 1787, "we the people" mainly referred to white male property - owners. It has expanded to include all citizens over time. 2. The Articles of Confederation had weaknesses lik…
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read the excerpt from act 2, scene 1, of julius caesar. portia. brutus …
Portia says that if Brutus were simply sick, he would do something to get better. As his wife, he has made a promise to her, and she pleads with him to tell her what is on his min…
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read the excerpt from act 2, scene 1, of julius caesar. portia. it will…
sincere
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read the excerpt from julius caesar, act 2, scene 1. portia. brutus, my…
Portia is upset because Brutus is behaving as if something is wrong, and he will not confide in her.
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5.1 - 6.2 (ch. 5 - continuous random variables and ch. 6 - the normal d…
(a) Draw a rectangle with base from $x = 0$ to $x = 8$ on the $x$ - axis and height $\frac{1}{8}$ on the $y$ - axis. (b) $\frac{1}{8}$ (c) $0.25$ (d) $0$
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which inference can be drawn from childrens belief that inactivity mean…
A. Preschool children look for visible signs of thinking.
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four - year - old tommy describes all adults as tall because they are t…
B. relative meaning
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53 65 71 55 74 80 50 57 38 60 62 73 38 36 42 59 28 74 27 80 36 69 56 69…
53