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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say that a card is drawn from a standard deck of cards with no jokers. …
Fraction: $\frac{1}{13}$ Decimal: $0.08$ Percent: $8\%$
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say that a card is drawn from a standard deck of cards with no jokers. …
Fraction: $\frac{1}{13}$ Decimal: $0.08$ Percent: $8.00\%$
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say that a card is drawn from a standard deck of cards with no jokers. …
Fraction: $\frac{1}{13}$ Decimal: $0.08$ Percent: $8.00\%$
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1. a root is the basic part of a word that carries its main meaning. ro…
To set something free
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say that a card is drawn from a standard deck of cards with no jokers. …
Fraction: $\frac{1}{13}$ Decimal: $0.08$ Percent: $7.69\%$
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a group of friends are playing a game using the following spinner. each…
Fraction: $\frac{3}{5}$ Decimal: $0.60$ Percent: $60.00\%$
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a group of friends are playing a game using the following spinner. each…
Fraction: $\frac{3}{8}$ Decimal: $0.38$ Percent: $38\%$
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the following set of marbles is placed into a bag. then, without lookin…
Fraction: $\frac{2}{5}$ Decimal: $0.40$ Percent: $40.00\%$
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you are picking candies out of a bag without looking. the contents of t…
$\frac{1}{3}$ or $0.33$
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cupcakes are being randomly passed out to every student in the class. t…
$\frac{9}{23}\approx 0.39$
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you are picking candies out of a bag without looking. the contents of t…
$\frac{6}{7}$ or $0.86$
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9. choose the best answer. what was the meaning of king cotton to south…
9. The Southern economy was dominated by the cotton industry. 10. Black nationalism
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you are picking candies out of a bag without looking. the contents of t…
0.25
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you are picking candies out of a bag without looking. the contents of t…
1
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6. sentence: the event takes place annually, attracting participants fr…
It explains how often the event occurs.
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5. sentence: the event culminates in the german pumpkin weigh - off cha…
It adds significance to the event.
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5. read the sentence below and use context clues to determine the meani…
A. Clever or inventive
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1. a root is the basic part of a word that carries its main meaning. ro…
B. A person's own signature or handwriting
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5. what does it mean to modernize something? to make it old - fashioned…
B. To make it modern or up - to - date
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4. read the sentence and choose the best meaning of prioritize as it is…
To treat as most important
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4. read the sentence and choose the best meaning of prioritize as it is…
To treat as most important
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3. the suffix -ize often means... the opposite of without or not to mak…
To make, to become, or to subject to
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2. knowing that -ize means \to make,\ what can you infer about the mean…
To make something free from bacteria or other living microorganisms
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6. as it is used in the sentence below, ventured into most nearly means…
A. dared to journey into
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5. read the sentence below and use context clues to determine the meani…
D. Dangerous or risky
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read the passage. bul - go! - gi \can you chop the scallions?\ seo - ju…
"Her mother had spent years learning to speak relatively good English..."
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read the passage bul - go! - gi \can you chop the scallions?\ seo - jun…
Adjusting to a new culture can be difficult.
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read the passage from theodore roosevelt: an autobiography. i could not…
B. standard ruling
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read the passage from theodore roosevelt: an autobiography. in the yell…
D. trials and tribulations
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read the excerpt from \first joint debate at ottawa,\ by abraham lincol…
C. Yes, the author uses diction that is academic and formal.
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after many decades of human manipulation, english bulldogs are so far f…
long - lasting
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after many decades of human manipulation, english bulldogs are so far f…
thinned out
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after many decades of human manipulation, english bulldogs are so far f…
example
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8. choose the best answer. ____ invented a stoplight that used a yellow…
8. B. Garrett Morgan 9. A. Dred Scott v. Sandford
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an economic theory that stresses government management of the productio…
B. socialism
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in terms of production, what best describes the difference between capi…
A. Capitalism is a system in which goods are made by private businesses, but socialism stresses government control over production.
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3) choose the best answer. how did the dred scott decision impact black…
3. The ruling that Blacks were not citizens meant that they could not file for patents, as that was a privilege reserved for citizens. 4. The patent oath required people applying …
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the akkadian empire of mesopotamia name:______ date:______ 1. what does…
1. B. belief in many gods 2. A. Akkadians relied on agriculture in their economy. 3. B. Mesopotamia
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which phrase best defines the term \figurative language\? language that…
language that is not intended to be taken literally
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why is pure competition considered an unsustainable system? price diffe…
Producers cannot make a profit if they keep dropping their prices.
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the lack of competition within a monopoly means that offered goods and …
monopolists set their own price.
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why do governments regulate natural monopolies? to allow additional pro…
to prevent a monopoly from abusing its customers
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which statement is the best definition of a natural monopoly? it is a m…
It happens when one business can provide a product at a cheaper cost than two or more businesses can.
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the holy water in the story is symbolic. how does the meaning differ fo…
The priest's holy water symbolizes Christian spiritual cleansing; Leon's symbolizes Native American ritual connection to rain and the dead.
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question 22 of 39 > that beak heat loss is higher at higher temperature…
50.5
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question 22 of 39 > that beak heat loss is higher at higher temperature…
54.9
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the lady of shalott part ii no time hath she to sport and play: a charm…
A. To remain in one place
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question 21 of 39 that beak heat loss is higher at higher temperatures …
$\hat{y}=9.787 + 1.615x$ For the multiple - choice part: For every degree Celsius, the toucan will lose about 1.6% more heat through its beak on average.
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question 16 of 39 > the table gives the first 5 observations of 42 year…
The value $x = 0$ is far outside the range of values of the explanatory variable; A negative number of deaths makes no sense.
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question 15 of 39 > the table gives the first 5 observations of 42 year…
$\hat{y}=113959$ (assuming a made - up regression line for illustration; in a real case, calculate from full data) The correct statements for reliability: The prediction is reliab…
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question 9 of 39 another ohio county has a homicide rate of 8.0 per 100…
$13.861$
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finding the mean and median using technology. the table shows the preci…
5.33 inches
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when two balanced dice are rolled, 36 equally likely outcomes are possi…
$\frac{1}{18}$
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when two balanced dice are rolled, 36 equally likely outcomes are possi…
A. \(Y = 3\)
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when two balanced dice are rolled, 36 equally likely outcomes are possi…
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
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making purchases with a credit card means that youre borrowing money, p…
1. Young people 2. The likelihood that someone is able to repay debt 3. Your income 4. Get out and stay out of debt
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question 1: consider the following function in vertex - form. convert i…
Standard form $g(x)=x^{2}-16x + 60$ and vertex is $(8,-4)$ ### Question 2
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2 - 14. here are the lengths (in inches) of snakes in a reptile display…
Mean: $39.9$, Median: $40$
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2-15. thomas has a bag with 7 green marbles, 5 blue marbles, and 4 red …
a. $\frac{1}{4}$, 0.25, 25% b. $\frac{11}{16}$, 0.6875, 68.75% c. 0, 0, 0%
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a certain hurricane database extends back to 1851, recording among othe…
$0.379$
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a certain hurricane database extends back to 1851, recording among othe…
$0.082$
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a certain hurricane database extends back to 1851, recording among othe…
$0.818$
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a certain hurricane database extends back to 1851, recording among othe…
a. \(Y\geq1\) b. \(Y = 8\) c. \(2\leq Y\leq4\)
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a research hurricanes database extends back to 1851, recording among ot…
a. \(P(Y\geq1)\) b. \(P(Y = 8)\)
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a certain hurricane database extends back to 1851, recording among othe…
A. \(P(Y\geq1)\)
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communicating about mathematics. how does your questions for the > symb…
Questions for '>' are about greater - than relationships and for '<' are about less - than relationships, being opposites in meaning.
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μ = 277 σ = 32 a) if you take a sample of size 14, what can you say wha…
b) Mean of the sampling distribution of the sample - mean: $\mu_{\bar{x}} = 277$ Standard deviation of the sampling distribution of the sample - mean: $\sigma_{\bar{x}}\approx8.55…
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question 7 of 39 > health resources. research has had mixed results, in…
$a = 14.304$ $b=-0.049$
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according to a study, the time between taking a pain reliever and getti…
$0.1335$
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problem 1 the graphs below show some data from a coffee - shop menu. on…
a. The first graph is "Cost (in dollars) vs volume (in ounces)". The second graph is "Calories vs volume (in ounces)". b. Calories and volume appear to be in a proportional relati…
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question 8 dok 2 5 points what does it mean in paragraph 65 that the nu…
The nursery reads the children's thoughts and feelings to create the scene they want.
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question 7 dok 2 5 points what does lydia hadley mean when she suggests…
They should turn the house off and do things for themselves.
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this year, the act score of a randomly selected student has unknown dis…
1. $X\sim$ (unknown distribution) $(\mu = 23.7,\sigma = 6)$; $0.1003$ 2. $\bar{X}\sim N(\mu_{\bar{X}} = 23.7,\sigma_{\bar{X}}\approx0.9)$; $0.7823$
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a computer selects a number x from 5 to 12 randomly and uniformly. roun…
a. 5, 12 b. 8.5, 0.3422 c. 0.9279
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4. the bureau of labor statistics uses a complex sampling method to est…
## 4a. On average, estimates are close to true value; not systematically high or low. ## 4b. Repeated samples have estimates close to each other; less spread. ## 5a. Around 8, as …
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6. which of the following is not true for stratified random sampling? a…
6. C 7. E
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a computer selects a number x from 1 to 7 randomly and uniformly. round…
a. $X\sim U(1,7)$ b. $\bar{X}\sim N(4,0.2739^2)$ c. $0.8637$
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a computer selects a number x from 5 to 12 randomly and uniformly. roun…
$0.8166$
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ap stats lesson 4.2 homework name: claire coleman 1 a local amazon dist…
1a. Label all 14,500 customers from 1 - 14500. Use a random - number generator or table of random digits to select 100 unique numbers within 1 - 14500. The corresponding customers…
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the number of seconds x after the minute that class ends is uniformly d…
a. $X\sim U(0,60)$ b. $\bar{X}\sim N(30,2.7386)$ c. $0.5065$
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name____ date____ complete the simile simile examples: the car seat was…
## Part A 1. The kittens' teeth were as sharp as needles. 2. Tanya's eyes were as blue as the ocean. 3. The cookies were hard like rocks. 4. Sally's hands were as sticky as glue. …
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the tables contain two sets of data. compute the correlation for both s…
For data - set A, $r = 0.664$ For data - set B, $r = 0.757$
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the tables contain two sets of data. compute the correlation for both s…
For data set A, $r = 0.664$. For data set B, $r = 0.990$.
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question 28 of 36 percentile rank expectancy of males find the correlat…
\(-0.973\)
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read the poems and review the storyboards, and choose the best answer t…
B. It creates an impression of a city teeming with energy and vitality
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percentile rank expectancy of males 5 79 10 79 15 78 20 77.5 25 77.5 30…
$-0.971$
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which of the following modern words or phrases could replace the old - …
B. In fact
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question 11 of 20 unfounded reports: choose an option below are the sam…
D. mean the symptoms of abuse can be attributed to other causes
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part b how does the extended metaphor analyzed in part a contribute to …
A. It suggests the merit of letting go of old values and seeing the beauty in the modern city.
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observing brain activity while subjects made their decisions pointed to…
You need to perform the above - mentioned calculations using the data from the table to get the correlation coefficient \(r\) with and without the outlier. The final answers will …
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the annual profits for a company are given in the following table, wher…
Regression Equation: \(y = 16.89x+134.94\) Final Answer: 270
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problem 6: completing and interpreting histograms a survey tracked dail…
a. Add 4 to the frequency of the 6 - 7 interval, 2 to the 8 - 9 interval, 1 to the 9 - 10 interval and 1 to the 10 - 11 interval in the existing histogram. b. The mean is greater …
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in canadian coins, 16 quarters is equal in value to 2 toonies. a. compl…
| Number of Quarters | Number of Toonies | | ---- | ---- | | 1 | 0.125 | | 16 | 2 | | 20 | 2.5 | | 24 | 3 | b. The value 0.125 next to 1 (quarter) means that 1 quarter is worth 0.…
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the annual profits for a company are given in the following table, wher…
Regression Equation: \(y = 13.1x+74.6\) Projected profit for 2005: 179
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a rental car charges a flat rate of 100 dollars plus $5 per mile driven…
# Explicación breve: En la ecuación $c(x)=5x + 100$, $x$ representa las millas recorridas y $c(x)$ el costo total. Para $c(30)$, se sustituye $x = 30$ en la ecuación y para $c(40)…
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the table contains data for 16 subjects on behavioral loss aversion and…
The data does not appear to form a pattern.
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the table contains data for 16 subjects on behavioral loss aversion and…
The data does not appear to form a pattern.
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causes of the civil war kathleen oneill causes of the american civil wa…
Finish
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assignment auses of the civil war causes of the american civil war - ed…
A. Abolish
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c. the outlier in league a (28 goals) was recorded incorrectly - it sho…
The mean will change more significantly.