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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in a standard deck of cards there are four suits: spades, clubs, hearts…
The Venn diagram where \(A\) and \(B\) overlap, \(B\) and \(C\) overlap, and \(A\) and \(C\) do not overlap (the second Venn diagram in the given options if we assume the first ha…
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find the expected value (μ) of the random variable with the given proba…
\(2.9\)
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at a certain factory, weekly wages (w) are normally distributed with a …
$49.85$
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you pick a card at random. 5 6 7 8 what is p(6)? write your answer as a…
\(\frac{1}{4}\)
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in a certain orchard, the number of apples (a) on a tree is normally di…
47.5%
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here are the last 13 ticket totals officer clark has handed out: 123, 6…
\(210\)
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six stand - up comics, a, b, c, d, e, and f, are to perform on a single…
\(\frac{1}{30}\)
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a single die is rolled twice. the 36 equally - likely outcomes are show…
\(0\)
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you are dealt one card from a standard 52 - card deck. find the probabi…
\(\frac{1}{4}\)
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a 12 - sided die is rolled. the set of equally likely outcomes is \\{1,…
\(\frac{5}{6}\)
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the table below represents the amount of water, in gallons, draining fr…
The slope \(-50\) means that the amount of water in the tank is decreasing at a rate of 50 gallons per minute.
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you pick a card at random. without putting the first card back, you pic…
\(0\)
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purpose vocabulary what it says... what it means... dignity - honor, re…
The text is related to literary analysis. The first line "Two households, both alike in dignity" means two families of equal social standing/honor. "In fair Verona, where we lay o…
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which situation is the best example of competition in an economic syste…
B. A small CD store slashed its prices to attract customers from a larger store that sells CDs and DVDs.
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to prepare for the slippery slide down, riders put on a soft helmet and…
to fasten firmly
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the orbit slide in london, england the orbit in london, england, is the…
The clue "From the base, which is the ground level, an elevator carries people up to the top." helps understand what "base" means.
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the orbit slide in london, england the orbit in london, england, is the…
the bottom of something
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the builders would make stacks of stone steps on top of each other to c…
a pile of something
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choose the meaning that matches the figurative language in the chart. f…
Clouds move in and block the sun.
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choose the sentence with figurative language that matches the meaning i…
But Kai sees right through the trick.
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seemingly he had sized up everything with only half a glance from the l…
C. scrutinized
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choose the answer that best completes the sentence below. __________ vo…
C. Even though
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rumble means : a long walk for exercise or pleasure a personal or socia…
a street fight between rival groups
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5 read the following sentences from the text. \the first satellite pict…
C. likely possibility
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bicker means to: go together argue over petty things briefly enter enem…
argue over petty things
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concession means : a vote that blocks a decision the act of taking reve…
the act of yielding
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question #15 the sample data provided contains numbers of injuries due …
2.023.54
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fresh water flows beneath the ground. people had to dig down to reach t…
The clues "dug a long hole... made a channel" and "collected in the channel" help understand what "channel" means.
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question #14 determine the mean, median and mode of the following data …
Mean: \(58\), Median: \(55\), Mode: \(84\) (corresponding to the second option in Question #14)
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fresh water flows beneath the ground. people had to dig down to reach t…
a deep cut in a surface
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colonial means : relating to the doctrine that rejects religion relatin…
relating to a body of people who settle far from home
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have you ever seen a well that looked like a palace? thousands of years…
to make a hole in something
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i had a feeling they wouldnt be signing stephanies petition. source: he…
B. a formal request that something be submitted to an authority
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these days, every month i send money back home to our militia, so they …
B. a group of civilians trained as soldiers
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understand multiplication and division of rational numbers model with m…
1. Multiplication: \(5\times(-2)=-10\), Addition: \((-2)+(-2)+(-2)+(-2)+(-2)=-10\). The overall effect is a deduction of 10 points. 2. Multiplication: \(6\times(-3)=-18\), Additio…
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he fled with boatloads of loyalists to the yucatan peninsula, promising…
people who are faithful to a country, party, or cause
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such estates go all to one person, and are in effect entailed and unali…
nontransferable
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he had been standing still, bowed under this intolerable weight of humi…
unable to be endured
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from experience and education by john dewey (1938) 1. \the ideal of usi…
Dewey's theory of education argued for teachers to help their students to learn from meaningful social experiences taking place in the present.
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what is the purpose of the second sentence in this excerpt? a it is not…
D. It adds more detail to the first sentence.
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1. the best of using the present simply to get ready for the future ove…
Dewey’s theory of education argued for teachers to help their students to learn from meaningful social experiences taking place in the present.
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16. construct arguments a survey found that 27% of high school students…
Roger's statement is correct. If we assume the number of employees is \(x\), the number of students is \(10x\). The number of students who drive is \(0.27\times10x=2.7x\) and the …
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13. critique reasoning marna thinks that about 35% of her mail is junk …
No, she is not correct. The percentage of junk mail is approximately \(33.3\%\) not \(35\%\)
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find (a) the range and (b) the standard deviation of the set of data. 1…
(a) The range is $24$. (b) The standard deviation is $9.00$.
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for thousands of years after the end of the ancient egyptian civilizati…
A. The stone had the same passage written in three different languages, so historians were able to translate the passage written in hieroglyphics.
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find (a) the range and (b) the standard deviation of the set of data. 2…
(a) The range is \(8\) (b) The standard deviation is \(2.777\)
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markus scored 85, 92, 82, and 94 on the first four tests of the semeste…
\(5(x + 5)=353 + x\) (the fourth option)
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for each statement about swot analysis, select true or false. threats i…
- Threats: True - Strengths: False - Opportunities: False - Weaknesses: True
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i can construct and interpret scatter plots. the scatter plot compares …
7. There is a negative association. People who watch more TV tend to walk fewer steps. 8. Yes, the point (9, 10) (assuming x - axis is hours of TV watched and y - axis is steps wa…
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8. match the following terms with their definitions. 1. median 2. mode …
1. median - a. the middle number when the items in a data set are listed from lowest to highest 2. mode - b. the number that happens most frequently in a set of data 3. mean - c. …
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5. which of the scatter plots could likely represent the number of food…
4. A. Positive, linear (assuming the points follow a somewhat straight - line positive trend) B. None, non - linear (random distribution) C. Negative, linear (assuming a straight …
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which are two characteristics of fulfillment centers that differ from d…
Warehousing is a primary role, Fulfillment centers pack and ship for a manufacturer.
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classify each distribution characteristic as a characteristic of a dire…
- Direct: Customers buy products from a business' warehouse; Businesses have complete control over distribution and pricing - Indirect: Wholesalers sell a manufacturer's product; …
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12. when comparing two box plots that show the same type of information…
the range of the quartiles in each data set
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14. there are two sets of rainfall data for two different time periods …
box - and - whisker
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solve each of the problems below. be sure to ask questions if you need …
a. No association. b. Negative association.
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mysterious customer: i heard you might bake the best muffins in the lan…
Snidely has a very high opinion of himself.
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the second piece in the concert was beethovens symphony no. 6, the \pas…
evoke, collection
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we are writing to you about an important problem that we would like to …
unequal access to computers
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20. use the scores in the box. what is the range? 21 24 30 21 30 25 25 …
13
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23. the number of data points from the box that fall in the interval of…
\(0\)
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15 what does it mean for a story to be newsworthy? d) it can be read in…
15. B. It is important or interesting enough to be in the news 16. A. Thinking very carefully and deeply about something 17. A. When an author shows their own opinion instead of j…
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6 when asked to create a critical thinking question, you should write o…
6. B. Makes people think hard and deeply about the article 7. D. Shows their own opinion instead of just telling the facts 8. C. Your thoughts and feelings about the topic
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how can you identify the main claim in a text? look for repeated facts …
"Find the statement the author is trying to prove"
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why might we have seen such a large divergence in the median and mean i…
While most people saw their income decrease, a small number of very high - income earners saw their income increase.
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why might we have seen such a large divergence in the median and mean i…
While most people saw their income decrease, a small number of very high - income earners saw their income increase.
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apply quantitative political data as evidence in making an argument the…
decreased, increased
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question 11 of 11 a fire department in a rural county reports that its …
\(38.08\)
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sex - marriage - but - divisions - persist/ (accessed 1/14/22).\ /> if …
1. x - axis 2. y - axis 3. range 4. key
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a local post office weighs outgoing mail and finds that the weights of …
\(0.73\)
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use the text to compare and contrast mandarin and cantonese. if you wan…
- Is a dialect of Chinese: Mandarin (✔), Cantonese (✔) - Has four tones: Mandarin (✔), Cantonese (✖) - Is an official language in the United Nations: Mandarin (✔), Cantonese (✖)
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the amount of time it takes an athlete to complete a ninja warrior cour…
8.52 minutes
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the amount of time it takes an athlete to complete a ninja warrior cour…
7.59 minutes
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quantitative literacy demonstrate the use of basic mathematical concept…
percent
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scores on the wechsler adult intelligence scale (an iq test) for the 20…
161.3
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professional tennis player novak djokovic hits the ball extremely hard.…
\(117.2\) mph (the third option)
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mrs. starnes enjoys doing sudoku puzzles. the time she takes to complet…
4.54 minutes
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machine fires balls a distance that is approximately normally distribut…
\(68.026\)
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according to a study by rescuetime, people spend an average of 1.25 min…
\(0.40\)
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the distribution of golfer lexi thompsons driving distance has a mean o…
\(16.67\)
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the average yearly snowfall in chillyville is approximately normally di…
4.8 inches
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monte carlo simulations involve running thousands of trials with differ…
1. random 2. beliefs 3. Value 4. Prior 5. Posterior
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number the following dot plots in order from lowest mean absolute devia…
Second dot - plot: #1, First dot - plot: #2, Third dot - plot: #3
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review the fourth paragraph. and activities in the united states. for e…
The author fails to establish why fast - food industry regulation can be compared to tobacco industry regulation.
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determine which statement is true of a data set with a low mean absolut…
D. The numbers in the data set are close to the mean of the data set.
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question 27(multiple choice worth 3 points) (lesson 5.5 lc) aiming high…
scan about 12 - 15 seconds ahead in the middle of your lane
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question 23(multiple choice worth 3 points) (lesson 3.4 lc) this road s…
school zone
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choose the best spanish equivalent. which means \be seeing you, see you…
Nos vemos.
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what is the complementary probability of an event with a 0.70 probabili…
C. 0.30
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during the middle ages in europe, a rigid class system divided people. …
- Worked in the fields: Serf farmers (checked), Peasant farmers (checked) - Were not bound to the land: Serf farmers (not checked), Peasant farmers (checked) - Sometimes owned lan…
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last year more than 1.6 million students took the sat. the distribution…
\(0.0642\)
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if a conservation effort has a 40% chance of success, what is the proba…
A. 60%
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the amount of time it takes an athlete to complete a ninja warrior cour…
3.04%
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what is the 10th percentile of the standard normal distribution? -1.28 …
-1.28
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which formula represents the basic probability calculation? a. p = a + …
B. P = Number of favorable outcomes / Total number of outcomes
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professional tennis player novak djokovic hits the ball extremely hard.…
C. $0.82\%$
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in the united states, egg sizes are set by the department of agricultur…
(a) \(0.2206\) (b) \(29.85\%\)
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last year, more than 1.6 million students took the sat. the distributio…
\(4.29\%\)
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which scenario best illustrates conditional probability in environmenta…
C. Estimating the probability of a household recycling if it already composts
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the amount of time it takes an athlete to complete a ninja warrior cour…
0.0304