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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if p(a or b)=0.9, p(a)=0.5, and p(b)=0.7, determine p(a and b). p(a and…
$0.3$
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a sample of 388 people is selected. the people are classified according…
0.30
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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 …
conclusive
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complete the sentence with the word that best fits the overall meaning …
forage
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complete the sentence with the word that best fits the overall meaning …
a virtuosic
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complete the sentence with the word that best fits the overall meaning …
invaluable
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complete the sentence with the word that best fits the overall meaning …
assign
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what is the meaning of the word guileless in the sentence? \is this a d…
B. sincere
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which word could best replace pointless without changing the meaning of…
C. futile
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question 40 brief stories of interesting, humorous incidents based on r…
A. anecdotes
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in jonathan swifts gullivers travels, gulliver encounters the yahoos, c…
rude people
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read the source of the allusion. sir john falstaff, a comical character…
characterized by joviality and enjoyment of food and drink
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read the source of the allusion. in the 1950s, u.s. senator joseph mcca…
aggressive questioning of a person's patriotism
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read the source of the allusion. the philistines were a group of people…
a person hostile or indifferent to culture and the arts
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read the source of the allusion. nostradamus, a sixteenth - century fre…
a seer or predictor of the future
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think about the function f(x) = 10 - x^3. what is the input, or indepen…
What is the input, or independent variable? x What is the output, or dependent variable or quantity? f(x) What does the notation f(2) mean? the output (y - value) when x = 2 Evalu…
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read the source of the allusion. draco, a government official in sevent…
harsh
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read the source of the allusion. in george du mauriers novel trilby, sv…
a person with an unduly strong influence over someone else
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read the source of the allusion. located in a fertile coastal area of s…
luxurious
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read the source of the allusion. in the bible, moses grows angry when h…
a material object that is the subject of worship
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read the source of the allusion. in greek mythology, cassandra is bless…
a person who makes unheeded predictions of disaster
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read the source of the allusion. in classical mythology, hercules fough…
difficult to overcome or contain
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read the source of the allusion. in greek mythology, pygmalion was a ki…
a person who becomes overly invested in his or her creation
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the following data show the number of hours per day 12 adults spent in …
The 99% confidence interval to estimate the average number of hours per day adults spend in front of screens watching television - related content is from $2.57$ hours to $6.65$ h…
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question 8 parables, anecdotes, and other stories are all kinds of pers…
C. narratives
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the following data show the number of hours per day 12 adults spent in …
from \(2.42\) hours to \(6.80\) hours
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a national air traffic control system handled an average of 47,708 flig…
a. D. Since the 99% confidence interval does not contain 50,000, it cannot be said with 99% confidence that the sample validates the airline company’s claim. b. D. Since the sampl…
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a national air traffic control system handled an average of 47,708 flig…
A. Since the 99% confidence interval contains 50,000, it can be said with 99% confidence that the sample validates the airline company's claim.
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a national air traffic control system handled an average of 47,708 flig…
The 99% confidence interval to estimate the average number of flights per day handled by the system is from a lower limit of 44379 to an upper limit of 51037.
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a random sample of 22 college mens basketball games during the last sea…
a. The 90% confidence interval is from 4488 to 5776. b. C. The only assumption needed is that the population follows the normal distribution.
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a random sample of 22 college mens basketball games during the last sea…
The lower limit is 4488 and the upper limit is 5776.
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a cruise company would like to estimate the average beer consumption to…
The 99% confidence interval to estimate the average beer consumption per cruise is from a lower limit of 78583 bottles to an upper limit of 84830 bottles.
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determine the margin of error for a 99% confidence interval to estimate…
b) 17.52 c) 14.56
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determine the margin of error for a 99% confidence interval to estimate…
a) 33.97 b) 17.60 c) 14.63
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select the word or phrase that is redundant and can be removed without …
from foreign countries
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which strategies are most effective to help a reader determine the mean…
- Check for nearby synonyms that may provide a clue to the word's meaning. - Check surrounding words to see what events are leading up to this word. - Substitute the unfamiliar wo…
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the root jur means law. what does the word juridical mean? relating to …
relating to the administration of justice
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paragraph 4: the role of environment many juvenile offenders come from …
1. Poverty, abuse, neglect, exposure to violence. 2. When a child grows up seeing crime or violence, it can seem normal. 3. By addressing root - causes like providing crime educat…
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6. an online retailer claims that 90% of all orders are shipped within …
a. The sampling - distribution of $\hat{p}$ is approximately normal with mean $\mu_{\hat{p}} = 0.90$ and standard deviation $\sigma_{\hat{p}}\approx0.0274$. b. $\hat{p}\approx0.84…
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which women were not allowed to vote in that time period? select all th…
Question 2: - Generally, married women - because their husbands owned their property (although it seems some married women probably did vote as they were able to meet the property…
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read the excerpt from \my first march.\ \hey, mama?\ i asked. \how can …
C. a civil rights rally
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what is the meaning of \inimical\ as it is used in paragraph 6? a. host…
A. hostile
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what is the meaning of \evanesces\ as it is used in paragraph 4? a. tra…
D. vanishes
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act vocabulary : part 6 assigned by: michael whitehead due: oct 16, 202…
1. C. intrinsic nature 2. B. cut the surface of 3. D. advice as to a decision or course of action 4. B. serious 5. A. commercial exchange of goods and services
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what is the meaning of \commensurate\ as it is used in paragraph 4? a. …
A. comparable
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question 17 what is the meaning of the phrase \foray into\ used in para…
A. start of
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what is the meaning of \erudite\ as it is used in paragraph 1? a. distr…
B. knowledgeable
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when collecting data, it is important that it be collected according to…
the design of the study
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16. when a character struggles with what seems to be an uncontrollable …
character vs. fate
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how does the authors description of the great carbuncle in paragraphs 1…
B. by emphasizing the overwhelming brilliance of the Great Carbuncle
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in paragraph 2, the phrase \set agog\ is closest in meaning to - a. cov…
D. stimulated
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friday william shakespeare once said... \love all, trust few, do wrong …
I think Shakespeare meant one should have a general attitude of love towards humanity, be discerning in whom to trust, and always act morally. I agree because it combines an open …
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thursday difficult words: shakespeare uses words that you may not be fa…
"Sequestration" means a state of withdrawal or seclusion. "Retirement" means a withdrawal from public - view or a secluded state.
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act vocabulary: part 6 assigned by michael whitehead due oct 10, 2025 1…
1. Similarity: Both meanings relate to the idea of moving forward. Difference: First is a noun (physical forward - movement), second is a verb (progress - causing). 2. Similarity:…
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4. cards draw one card from a standard 52 - card deck 40 times with rep…
The empirical probability depends on the actual number of times a heart is drawn in 40 draws. If we assume we draw 12 hearts in 40 draws, the empirical probability is 0.3.
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read the excerpt from act 5, scene 1, of julius caesar. octavius. now, …
D. confident
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read the excerpt from act 2 of a dolls house. helmer: my dear nora, i c…
"You will see I am man enough to take everything upon myself"
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read the excerpt from julius caesar, act 2, scene 2. decius. caesar, al…
It is ridiculous that a man who has won so many battles would be afraid to tell the truth.
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5. a center lane with solid and broken yellow lines that is used by veh…
D. Two - way Left - Turn Lane
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1. a white, transverse line across your lane means: a. you are in a lan…
1. B. You must stop with your entire vehicle behind this line 2. B. Give the right - of - way to traffic on the road you are entering or crossing
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3. phones of 45 people who purchase a phone at an electronics store, 40…
$\frac{8}{9}$
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if you are asked to place an ad in the yellow pages a real estate agent…
First question: A. A testimonial form the printer soliciting the ad Second question: A. Ask the Yellow Pages salesperson for statistics on response rates
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first read: hatchet assigned by: robert galletly due: oct 17, 2025 11:5…
Having a strong reason or being driven to act.
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there is no longer any room for hope. if we wish to be free - if we mea…
It emphasizes and connects his points to his logical conclusion.
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review the story. \from the country,\ bennie answered. \im not used to …
Ninguna de las opciones presentadas es el problema principal de la historia.
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4. based on data from the national health survey, women between the age…
(a) $0.3446$ (b) No, because $n = 10<30$ and the population distribution is unknown. (c) Yes, because $n = 40\geq30$ and by the central limit theorem, the sampling distribution of…
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the vocabulary word unexplainable contains the prefix un- which means o…
Not capable of being explained.
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he showed the boy tracks of the puma, mountain lion, and of atoc, the f…
1) [No information in text] 2) [1] 3) [2]
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f. advise g. deprive h. hesitate i. objection j. penalize mr. barker sa…
(6) I. objection (7) G. deprive (8) H. hesitate (9) F. advise (10) J. penalize
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17.in most countries around the world populations are statistics. high …
17. a. housing; b. food; c. health 18. numbers 19. laws; economic 20. migration 21. push; pull 22. a. poverty; b. war; c. natural disasters
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sentence check 1 using the answer lines, complete each item below with …
Sentence Check 1: 1. originate 2. penalize 3. minimum 4. advise 5. reliable 6. maintain 7. objection 8. hesitate 9. deprive 10. current Sentence Check 2: 1 - 2. current, advise 3 …
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14.birthrate is the _ number of births per _ people. 15.the _ _ is the …
14. annual; 1000 15. death - rate; people 16. rate; natural increase; births; population 17. growing; a. housing; b. education 18. statistics 19. laws; economic
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2. explain how empirical probability can be used to determine whether a…
Roll the die many times, calculate empirical probabilities for each face value, and compare with $\frac{1}{6}$. If large discrepancies, the die may be loaded.
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developing sexual maturity includes discovering healthy ways to express…
1. celibacy 2. abstinence 3. autoerotic behaviors 4. erogenous zones 5. manual stimulation; vaginal intercourse 6. sexual dysfunction; STIs 7. meaningful sexual experiences
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(1) in 1985, littering in texas was a problem as big as the state itsel…
A. The Texas Highway Commission initiated a broad public education campaign, which used research to determine which age groups littered most and how to encourage them to stop.
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read the sentence below. an interdisciplinary approach to learning abou…
B. between disciplines
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puns were used by shakespeare to explain historical background to the a…
add humor or hidden meanings to a scene.
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connie frowned. she couldnt remember the accident itself, only the afte…
B. an extremely low body temperature
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1. what explanation does cheever give for parris \mad look\? answer:s 2…
1. He attributes it to Parris' anxiety over the trials. 2. She made false accusations of witchcraft. 3. He refers to influential accused; danger is social - political unrest. 4. I…
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when lex awoke from his nap, another clone was in his living room. \let…
B. bothered
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which is an example of quantitative data? 42 grams squishy hard blue
42 grams
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a survey approximates the number of americans that are age 65 and older…
Approximately 52.09 million
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a survey approximates the number of americans that are age 65 and older…
A. The rounded number underestimates the 2010 population by 1.2 million.
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a survey approximates the number of americans that are age 65 and older…
$f(x)=3.323\times1.023^x$
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a survey approximates the number of americans that are age 65 and older…
$f(x)=3.533\times1.023^x$
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a survey approximates the number of americans that are age 65 and older…
A. An exponential function was used because the data in the bar graph is increasing more and more rapidly.
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complete the sentence with the word that best fits the overall meaning …
B. adroitly
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complete the sentence with the word that best fits the overall meaning …
diverge
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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 …
C. impulsive
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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 …
C. direct
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use the graphing tool at the right to create a scatter plot for the dat…
The data are best modeled by a quadratic function.
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use the graphing tool at the right to create a scatter plot for the dat…
The data are best modeled by a quadratic function.
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drag the tiles to the correct boxes to complete the pairs. drag the til…
acceptance and openness → smile restricted and distant → crossed arms invitation to interaction → handshake disapproval over something → frown
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in this part of the story, the word \milling\ most closely means a wand…
A. wandering
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choose the two sentences in this part of the text that prove nancy deci…
Suddenly Nancy knew exactly what her flea friend had meant: Nancy had tried to be nice to everyone except herself, but now she was determined to have fun. Nancy began to sing a ca…
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all of these phrases are from the text. which one best describes the ce…
D. you just need to be yourself
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the data below represents an international corporations internal estima…
Model: \(y=-2994.563x + 39316.014\) The model is a good fit if the residual plot shows randomly - scattered points around the horizontal axis.