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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a survey finds that customers are overcharged by price scanning systems…
\(0.7302\) (rounded to four decimal places)
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in the data set below, what is the standard deviation? 5 9 1 7 1 2 3 if…
\(2.9\)
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6. which of the dsp guiding principles encompasses keeping calm in diff…
6. Patience and understanding 7. A person's right to make informed decisions and engage in meaningful experiences even if they have some level of risk. 8. Providing person - cente…
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6. which of the following terms means a system of beliefs that guide a …
6. Ethics 7. Positivity and compassion 8. Adaptability and creativity
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read the paragraph teaching the rambunctious group of canines at the ob…
D. break
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1. which of the professional competencies most involves giving the peop…
1. Providing person - centered support 2. TRUE 3. A person's right to make informed decisions and engage in meaningful experiences even if they have some level of risk. 4. Treatin…
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match up a synonym is a word that means the same as another word. for e…
- desperate - frantic - quench - satisfy - tortured - pained - obliged - grateful - awkward - uncomfortable - antiseptic - medicine
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read the sentence. when i told the doctor of my sinus pain and nasal pr…
a substance that reduces congestion
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a survey found that customers are overcharged by price scanning systems…
\(0.000859\)
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for a continuous random variable x, p(25 ≤ x ≤ 72) = 0.16 and p(x > 72)…
a. \(0.79\) b. \(0.63\) c. \(0\)
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number of thunderstorms during august number of storms 0 1 2 3 probabil…
\(1.6\)
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the world famous gambler from philadelphia, señor rick, proposes the fo…
No. You lose $\$0.83$ in the long run.
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you pick a card from a standard deck. if you get a face card (jack, que…
The expected value is approximately \(\$4.62\)
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a survey found that customers are overcharged by price scanning systems…
\(0.210005\)
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in a certain community, 30% of households have 1 child, 43% have 2 chil…
\(1.97\)
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number of cars probability 0 0.09 1 0.36 2 0.35 3 0.13 4 0.05 5 0.02 ch…
\( 1.75 \)
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number of hybrids probability .32 0 .28 1 .15 2 .11 3 .08 4 .06 5 weekl…
\(\$5355\)
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a survey found that customers are overcharged by price scanning systems…
\(0.024625\)
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a student group sells 500 raffle tickets for $2 each. at the drawing th…
You expect to lose an average of \(\$1.50\)
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the 10th amendment says, \the powers not delegated to the united states…
D. states can make their own laws, as long as the laws don't violate the Constitution
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the diversity in the faculties of men, from which the rights of propert…
1. The first object of government is the protection of people's faculties. 2. The oldest and most common faction is due to the various and unequal distribution of property. 3. Mad…
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find the mean (expected value) of the probability distribution.
\(84.4\)
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given the probability model in the table below, what is the expected va…
\(14.75\)
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find the expected value, round to 3 decimal places.
\(0.6\)
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which of the following statements about babylonian religion is true? it…
It was based on previous religions in Sumer and Akkadia.
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a die is rolled 9 times. find the probability of rolling exactly 1 five…
\(0.3488\)
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read & respond use the text below to answer the question. the enumerati…
A. just because a right isn't listed in the Bill of Rights doesn't mean that people don't have that right
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a die is rolled 8 times. find the probability of rolling the following.…
\(6\times 10^{-7}\)
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amit is playing 12 holes of golf. the table below shows his scorecard. …
The relative - frequency for \(3\) strokes is \(0.5\), for \(4\) strokes is \(0.25\), and for \(5\) strokes is \(0.25\). So, in the relative - frequency plot, the bar for \(3\) st…
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roulette is a casino game that involves players betting on where a ball…
\(-0.053\) dollars
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kelsie works at a bicycle shop as a salesperson. she records the number…
$0.95$ bicycles
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a construction company is considering submitting bids for two contracts…
\(0.2\) bids
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jordan wants to play a basketball game at a carnival. the game costs th…
\(0.8\)
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a die is rolled 7 times. find the probability of rolling the following.…
\(\frac{1}{279936}\)
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a construction company is considering submitting bids for two contracts…
$0$
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bias noun prejudice; a tendency to favor one side or person. cancel use…
The judge's bias towards the defendant was evident in his rulings.
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a die is rolled 12 times. find the probability of rolling the following…
\(4.59\times 10^{-10}\)
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8. attend to precision erin has 10 bags of apples. the following are th…
The expression is \(\frac{1}{10}(5\times2\frac{1}{2}+3\times2\frac{1}{4}+2\times1\frac{1}{4})\) and the average weight is \(2\frac{7}{40}\) pounds.
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a die is rolled 12 times. find the probability of rolling the following…
\(P(12)=\binom{12}{12}\cdot(\frac{1}{6})^{12}\cdot(1-\frac{1}{6})^{0}\) So the blanks are filled as \(C(12,12)\cdot(\frac{1}{6})^{12}\cdot(1-\frac{1}{6})^{0}\)
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for each statement about swot analysis, select true or false. threats i…
1. True 2. False 3. False 4. True
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read the passage and then answer the question. mahatma gandhi is one of…
represent or typify
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read this part from the text. what does the word \sketch\ most closely …
A. a picture or drawing
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what is the best meaning of \differ\ as it is used in the following pas…
change
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read the problem. evergreen wildlife preserve has 110 animals, and 66 o…
$60\%$
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question 10 what does it mean to be an advocate or to advocate for some…
To speak up or write in support of a cause
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match each term to its correct definition. match term definition allusi…
- Allusion - C - Hyperbole - E - Imagery - A - Metaphor - D - Personification - B
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you are planning a three - day trip to seattle, washington, in october.…
\(0.375\)
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you are planning a three - day trip to seattle, washington, in october.…
\(0.125\)
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a probability experiment consists of rolling a six - sided die and spin…
B. No, because the probability is not close enough to 0.
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a companys stock began the day at $29.12 per share. that price drops by…
a. C. The price per share after 5 hours is $23.87. b. D. The price per share after 29 hours will be - $1.33.
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a probability experiment consists of rolling a six - sided die and spin…
The probability of the event is \(0.083\)
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the access code for a garage door consists of three digits. each digit …
The probability of not selecting the correct access code is \(0.999\)
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use the equation of the line of best fit, ( y = 1.85x + 11.30 ), to ans…
(a) \(\$29.8\) (b) \(\$11.30\) (c) \(\$1.85\)
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sat reading score, x | 497 | 515 | 518 | 592 | 568 | 572 | 543 | 501 | …
When \(x = 550\) (the SAT Reading Score), the predicted \(y\)-value (SAT Math Score) is \(431\). This means that based on the regression model of the given data, a student with an…
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question 16 of 17 (1 point) | question attempt: 1 of unlimited use the …
a. \(26.04\) hours b. \(0.76\) hours c. \(12.36\) hours
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the access code for a garage door consists of three digits. each digit …
\(0.001\)
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use the frequency distribution to the right, which shows the number of …
\(0.799\)
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question 12 of 25 how does the due process clause in the fourteenth ame…
D. The clause in the Fourteenth Amendment has been interpreted to mean that state governments must provide some of the protections in the Bill of Rights.
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classify the following statement as an example of classical probability…
This is an example of subjective probability, since the stated probability is most likely based on intuition, an educated guess, or an estimate.
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classify the following statement as an example of classical probability…
This is an example of empirical probability, since the stated probability is calculated based on observations from the company records.
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classify the following statement as an example of classical probability…
This is an example of empirical probability, since it is based on observed data (company records) of washing - machine repairs over a five - year period.
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use the frequency distribution, which shows the number of american vote…
\(0.032\)
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a company is conducting a survey to determine how prepared people are f…
\(0.119\)
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a company is conducting a survey to determine how prepared people are f…
\(0.118\)
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a probability experiment consists of rolling a fair 18 - sided die, num…
0.167
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a probability experiment consists of rolling a fair 10 - sided die, num…
\(0.3\)
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and indeed there will be time to wonder, \do i dare?\ and, \do i dare?\…
unusual, meandering syntax and revelations about the speaker's thoughts and feelings
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refer to the accompanying data display that results from a simple rando…
a. C. The methods work well with distributions that are not normal, provided that departures from normality are not too extreme. The distribution should be somewhat close to symme…
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what is the average of the points a, b and c with weights 1, 4 and 4 re…
The point is \((-6,\frac{55}{9})\)
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complete the frequency table for the following set of data. you may opt…
| Interval | Frequency | |----------|-----------| | \(0 - 2\) | \(6\) | | \(3 - 5\) | \(6\) | | \(6 - 8\) | \(1\) | | \(9 - 11\) | \(2\) |
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complete the sentence with the word that best fits the overall meaning …
fast
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the ages of the winners of a cycling tournament are approximately bell …
(a) \(z\approx - 0.70\) (b) An age of \(25\) is \(0.70\) standard deviation(s) below the mean. (c) B. No, this value is not unusual. A z - score between \(-2\) and \(2\) is not un…
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the numbers of regular season wins for 10 football teams in a given sea…
The range is \(13\). The population mean is \(8.1\). The population variance is \(19.4\). The population standard deviation is \(4.4\).
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which of the following regressions represents the weakest linear relati…
Regression 1
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which of the following regressions represents the strongest negative li…
Regression 2
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which of the following regressions represents the strongest linear rela…
Regression 1
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identify the symbols used for each of the following: (a) sample standar…
a. \(s\) b. \(\sigma\) c. \(s^{2}\) d. \(\sigma^{2}\) Units: Standard deviation - grams (\(g\)); Variance - grams squared (\(g^{2}\))
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which scatterplot shows no correlation?
The fourth scatter - plot (the one on the far right) shows no correlation.
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select the correct text in the passage. this excerpt is taken from patr…
We have petitioned; we have remonstrated; we have supplicated; we have prostrated ourselves before the throne, and have implored its interposition to arrest the tyrannical hands o…
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determining conditional probabilities of blood types the table displays…
The probability that a person has a positive Rh factor given that he/she has type O blood is \(82.22\) percent. There is a greater probability for a person to have a positive Rh f…
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a number cube is rolled three times. an outcome is represented by a str…
For Event A: \(\frac{3}{8}\) For Event B: \(\frac{1}{2}\) For Event C: \(\frac{3}{8}\)
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a home pregnancy test was given to women, then pregnancy was verified t…
a. \(0.9359\) b. \(0.9125\) c. \(0.0641\) d. \(0.9398\)
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a vendor who sold bread at farmers markets counted the number of leftov…
between Tuesday and Friday
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roll and win you begin the game roll and win by picking a number. then …
The sample space is \(S = \{2,3,4,5,6,7,8,9,10,11,12\}\)
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there are 18 students in a certain painting class. their ages are shown…
| Age | Relative frequency | |----|----| | \(16\) to \(19\) | \(0.33\) | | \(20\) to \(23\) | \(0.06\) | | \(24\) to \(27\) | \(0.11\) | | \(28\) to \(31\) | \(0.33\) | | \(32\) t…
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a probability experiment consists of rolling a fair 8 - sided die, numb…
\(0.125\)
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a ball is drawn randomly from a jar that contains 9 red balls, 7 white …
(a) \(\frac{1}{2}\) (b) \(\frac{1}{2}\) (c) \(0\)
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in the data set below, what is the interquartile range? 7 2 2 4 7 6 4 2…
\(5\)
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the band instant impact participated in a local talent show. they didnt…
praise
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complete the sentences with the correct forms of relevant. the meaning …
relevant, relevance, irrelevant
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when you are writing, try to incorporate interesting words that help re…
include
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rita is starting a running program. the table shows the total number of…
\(y = 1.672x+4.703\)
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find the residual values, and use the graphing calculator tool to make …
The residual values are \(-0.56\), \(0.21\), \(0.98\), \(-0.35\), \(-0.28\) Yes, because the points have no clear pattern.
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consider the graph of the line of best fit, ( y = 0.5x + 1 ), and the g…
\(-1\)
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a line of best fit is ( f(x)=-0.86x + 13.5 ) for the set of points in t…
-2 (corresponding to the second option)
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the table shows the ages and weights of babies at a hospital. newborn c…
positive
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production work use the information below to answer the question. in ma…
enroll in industrial arts courses
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the figure below is divided into 100 squares of equal size. what percen…
\(57\%\)
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in a recent poll, the gallup organization found that 45% of adult ameri…
The probability that 9 or 10 believe the state of morals is poor is \(0.3355\)
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according to flightstats.com, american airlines flights from dallas to …
\(n = 15\), \(p = 0.8\)