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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the box - and - whisker plot below represents some data set. what is th…
45
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literary devices authors technique: the literary devices an author uses…
Don't dawdle all day down there.
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the accompanying table shows the value of a car over time that was purc…
The exponential regression equation is \(y = 13900(0.89)^{x}\) and the value of the car after 8 years is approximately \(\$6083.38\)
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(a) a flute instructor examined student progress. he found that playing…
(a) There is no correlation between song length and number of wrong notes. (b) There is a correlation between number of visitors and number of trees. However, there is no causatio…
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a psychiatrist is interested in finding a 95% confidence interval for t…
b. With 95% confidence the population mean number of tics per hour that children with Tourette syndrome exhibit is between \(3.089\) and \(8.245\) c. If many groups of 15 randomly…
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read this excerpt from \empire state building\ by j. patrick lewis. i a…
informal; he uses familiar language to entertain his audience with meaningful poetry.
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for the evidence below, the author provides...teenagers should perform …
No Source Information or Reporting Verb
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suppose that in a random selection of 100 colored candles, 24% of them …
The test statistic for this hypothesis test is $-1.31$.
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suppose that in a random selection of 100 colored candies, 24% of them …
A. \(H_0:p = 0.3\), \(H_1:p eq0.3\)
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in a recent court case it was found that during a period of 11 years 89…
Reject the null hypothesis because the \(P\) - value is less than or equal to the significance level, \(\alpha\).
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in a recent court case it was found that during a period of 11 years 89…
\(P - value = 0.000\)
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in a recent court case it was found that during a period of 11 years 89…
The correct hypothesis test is \(F. H_0:p = 0.807\), \(H_1:p<0.807\). The test - statistic \(z\approx - 29.32\)
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the mean age when smokers first start is 13 years old with a population…
- Test Statistic: \(-2.2342\) - Critical Values: \(\pm1.9600\) - Since \(|z|=2.2342>1.9600\), we reject the null hypothesis. - The correct summary is that there is sufficient evid…
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in a recent court case it was found that during a period of 11 years 89…
F. \(H_0:p = 0.807\), \(H_1:p < 0.807\)
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10 multiple choice 1 point the graph below shows the number of free thr…
30
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8 multiple choice 1 point a teacher tracks her students test scores eac…
- **Question 8**: Line Graph - **Question 9**: I, III, IV
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6 multiple choice 1 point a science teacher measures and records the gr…
- Question 6: B. Line Graph - Question 7: Emma - 10, Aiden - 6, Sophia - 8 (the option where these values are listed)
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insurance companies are interested in knowing the population proportion…
$0.6480 < p < 0.7650$
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18% of all college students volunteer their time. is the proportion of …
c. \(z = 2.49\) d. \(p - value=0.0064\) e. \(p - value<\alpha\) f. reject g. The data suggest the populaton proportion is significantly higher than \(18\%\) at \(\alpha = 0.05\), …
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question 7 of 10 authors of the lost generation often wrote about chara…
D. struggled to find meaning in a chaotic world.
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you are performing a two - tailed t - test with test statistic ( t=-2.6…
\(0.0134\)
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you are performing a two - tailed t - test with test statistic ( t=-2.6…
\(0.0118\)
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in a survey, 21 people were asked how much they spent on their childs l…
\( 1.01 \)
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5. isaac lives 3 miles away from his school. school ended at 3 pm and i…
a. \(2.5\) hours; b. \(0.5\) hours; c. \(0.5\) miles; d. \(d(t)=\begin{cases}3 - t, &0\leq t\lt1\\2, &1\leq t\lt1.5\\2, &1.5\leq t\lt2\\10 - 4t, &2\leq t\leq2.5\end{cases}\); e. A…
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which scatter plot could have a line of best fit whose equation is $y =…
El primer diagrama de dispersión (el que está en la parte superior de las opciones mostradas) es el que podría tener una recta de mejor ajuste \(y=\frac{1}{3}x + 33\)
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which graph shows the line of best fit for the data in the scatter plot?
La cuarta gráfica.
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which scatter plot could have a line of best fit whose equation is $y=-…
El primer diagrama de dispersión (el primer gráfico de la lista)
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which scatter plot could have a line of best fit whose equation is $y =…
El segundo gráfico (el que muestra una tendencia positiva y valores de \(y\) para \(x\) pequeños coherentes con \(y=x + 18\)).
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given the data collected from 200 individuals concerning whether or not…
13. \(\frac{30}{77}\) 14. \(\frac{27}{74}\) 15. \(\frac{2}{9}\)
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a. how many total outcomes are possible? 10 b. p(k) = 5/10 c. p(l) = 2/…
a. \(10\) b. \(\frac{5}{10}\) c. \(\frac{2}{10}\) d. \(\frac{1}{10}\) e. \(\frac{1}{2}\) f. Yes, because \(P(K\cap L)=P(K)\times P(L)=\frac{1}{10}\)
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1. what is the meaning of the term econstruction\ in regards to the end…
1. Reconstruction was a post - Civil War period (1865 - 1877) for reintegrating the South and dealing with slavery's end (happened to heal the nation, re - unify, and handle socia…
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the french and indian war charts singleton the french and indian war st…
The Proclamation Line of 1763.
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the french and indian war charles singleton multiple - choice question …
Awarded (Given) to
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sketch the graph or use a graphing utility to determine which of the fo…
All three planes overlap, which means there are infinite solutions.
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find the average rate of change for bicycle production from 1950 to 200…
For the first question: C. 1.8 million For the second question: C. 1970 to 1980
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a. how many total outcomes are possible? b. p(x) = \\frac{4}{10} c. p(y…
a. \(10\) b. \(\frac{4}{10}\) c. \(\frac{6}{10}\) d. \(\frac{1}{10}\) e. \(\frac{1}{6}\) f. Events \(X\) and \(Y\) are not independent. Because \(P(X\cap Y) eq P(X)\times P(Y)\)
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sketch the graph or use a graphing utility to determine which of the fo…
All three planes intersect at a single point, which means there is one solution.
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at seaside farms, there are a number of adult goats and a number of kid…
The conditional probability of \(A\) given \(B\) is \(0.75\). So, events \(A\) and \(B\) must **not be** independent.
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rita rolls a standard, 6 - sided die. let a be the event that the numbe…
less than 6 given that it is an even number
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let a and b be two events with the following probabilities. • the proba…
\(0.2\)
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match each correlation coefficient to the appropriate scatter plot. $r …
Assume the top - left scatter - plot has no linear pattern (\( r = 0 \)), the top - right has a positive moderate linear pattern (\( r = 0.6 \)), the bottom - left has a more rand…
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m/j accel math gr 7 - zielske (lms) 4 - 1: lesson quiz (lms graded) is …
No; all ratios \(\frac{y}{x}\) are not equivalent.
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a spinner is divided into sections that are both colored and numbered. …
The set of probabilities \(P(\text{green}) = 0.18\), \(P(\text{odd})=0.2\), \(P(\text{green and odd}) = 0.036\) could be associated with the spinner.
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let a and b be independent events with ( p(a)=0.2 ) and ( p(b)=0.5 ). w…
The conditional probability that \(A\) occurs given that \(B\) occurs is \(0.2\).
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years passed by. every spring when the roses began to bloom seven youth…
to emphasize how terrible the situation is, to make readers curious about Theseus's role in the plot, to allow Theseus to grow and mature
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in the meanwhile the little child at troezen on the other side of the s…
the arrival of the Cretan soldiers
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question 13 4 pts a math teacher chooses 4 students at random from a cl…
\(0.1471\)
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question 12 4 pts of the 18 residents in an apartment complex, 6 own th…
\(0.2370\)
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question 11 4 pts the 4 - year old daughter of a friend is doodling on …
\(0.283\)
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a math teacher chooses 6 students at random from a class of 24 to solve…
\(0.4031\)
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a semi - truck for a recreational cycling group carries 10 different br…
\(0.3873\)
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analyze why darry hits ponyboy in chapter 3. what does this reveal abou…
He is overwhelmed by responsibility and fear.
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question 4 3 pts in a game, 8 bingo balls are being picked randomly fro…
\(22582950\)
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3. read the excerpt from paragraph 3.3 of the selection. we... solemnly…
Released from an obligation or responsibility
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question 13 4 pts a semi - truck for a recreational cycling group carri…
\(0.4894\)
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question 12 of the 19 residents in an apartment complex, 7 own the unit…
\(0.2292\)
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question 11 the 4 - year old daughter of a friend is doodling on a sket…
\(0.0735\)
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question 10 4 pts a stack of 9 red cards and 10 green cards is shuffled…
\(0.2807\)
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question 9 4 pts according to the website of the lt. governor of the st…
\(0.0020\)
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question 8 3 pts in how many ways can a committee of 8 members be forme…
495
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question 7 3 pts the u.s. olympic rowing coach has been given a list of…
495
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question 6 3 pts in a game, 4 bingo balls are being picked randomly fro…
\(455126\)
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question 4 3 pts in a conference of 47 schools, how many intra - confer…
\(1081\)
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question 3 3 pts a local school board of 17 people needs to form a comm…
\(12376\)
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thomas is a car salesman. the table shows the monthly salary that thoma…
The equation of the line is \(y = 300x+2000\). The slope of the line is \(300\). The slope means that for every car Thomas sells, he earns an additional $300.
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question 1 3 pts a catering service offers 8 appetizers, 7 main courses…
68600
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the table compares the gas mileage of a car to the distance the car can…
\(17\) mi/gal (By looking at the line of best fit and the options, when we consider the position of \(y = 250\) on the vertical axis and trace it to the line of best fit and then …
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ryan went surfing 5 mornings this year. he logged the number of good wa…
$3.0$
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ruben went on 5 hikes. the hikes were: 1 mile 2 miles 8 miles 4 miles 1…
$2.6$
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richards class jumped rope in p.e. he counted the number of jumps each …
\(1.3\)
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match each correlation coefficient to the appropriate scatter plot. r =…
Assume the first scatter - plot (top - left) has no linear trend (\( r = 0 \)), the second scatter - plot (top - right) has a weak positive trend (\( r = 0.4 \)), the third scatte…
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menagerie most nearly means a art books. b stamps. c antiques. d wild a…
D. wild animals.
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corrugated most nearly means a curved. b drilled. c grooved. d twisted.
C. grooved
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vestibule most nearly means a garment. b backbone. c entrance. d footpr…
C. entrance
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why were southern states opposed to california entering the union as a …
A. Adding California as a free state would mean that there would be more free states than slave states.
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question 8 3 pts the people living in one neighborhood have created a l…
4657296
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immerse most nearly means a copy. b drink. c magnify. d submerge.
D. submerge
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9. a survey was given to people who owned a certain type of car. what p…
\(55\%\)
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question 1 of 12 why were southern states opposed to california enterin…
D. Admitting California as a free state would mean that there would be more free states than slave states.
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fix any punctuation or capitalization errors below. click \submit answe…
Rafiki distracted the baker with questions. His friend, meanwhile, put all of the brownies into her backpack.
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quiz: lists 24 and 28 innuendo vehement cordial insolent malevolence be…
cordial malice indignant virtue innuendo comply insolent commiserate benevolence odious
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what do the letters in the acronym smart stand for in smart goals? ○ st…
C. specific, measurable, attainable, relevant, time - bound
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thats where you learn whether youre any good or not.\ if i didnt know b…
briefly hesitated
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question 3 3 pts there are 14 top cheese - makers competing for the fir…
2184
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to find the experimental probability of a spinner landing on green, isa…
Michelle
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predicting with experimental probability a cereal manufacturer checks a…
\(200\)
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bryanna performed an experiment in which she flipped a coin and recorde…
The experimental probability includes 50 trials, The experimental probability is written as a ratio, The experimental probability compares the number of tails up to the number of …
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a computer manufacturer is performing a quality check to make sure the …
\(0.004\)
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alisha conducted an experiment in which a spinner landed on green 7 tim…
\(n = 35\)
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(score for question 3: ___ of 2 points) 3. a family is tracking its spe…
(a) A good scale for the \(y -\)axis is \(1\) unit \( = 10\) dollars. The range of the data (\(170 - 110=60\)) can be easily accommodated with this scale and the data values are m…
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which situation is the best example of regulation in an economic system…
A state agency has been created to monitor the production and distribution of sports drinks.
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culating experimental probability from a table the results of a blind t…
\(\frac{3}{25}\)
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mrs v. watson author | teacher posted nov 5 2:53pm bell ringer | 11/5 |…
1. d) \(\$220\) 2. b) Skip the gym or cut other costs 3. a) \(50\%\) needs, \(30\%\) wants, \(20\%\) savings
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tia performed an experiment in which she flipped a coin 100 times. the …
First blank: total number of trials; Second blank: experimental probability.
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read the following passage: \the legislative branch of the federal gove…
subject - by - subject; the author fully discusses the House in one paragraph, then describes the Senate in a second paragraph
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12. door dash has a policy allowing customers to cancel an order after …
12. a. \(0.0062\) 13. b. \(25\) minutes (since \(x=\mu+z\sigma=35+(-1)\times10 = 25\)) 14. c. \(0.0668\) 15. b. \(0.0668\) 16. c. \(18.55\) minutes
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7. the distribution of 1st nine weeks grades in statistics is normally …
7. B. \(0.1587\) 8. C. \(0.6711\) 9. B. \(67.26\) 10. B. \(74\) 11. B. \(74\)
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a random sample of the closing stock prices in dollars for a company in…
The 90% confidence interval gives a range where we are 90% confident the population mean of closing stock prices lies. The 99% confidence interval is wider. The width of the 90% c…
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what is the definition of simile? (1 point) a common expression whose m…
C. A comparison between two unlike things, using the words “like” or “as”.
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lesson 4: linear models cool down: roar of the crowd the scatter plot s…
For every additional 1 thousand people in the stadium, the maximum noise level increases by 1.5 decibels.