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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you are buying soccer cleats (shoes) for young female soccer players in…
a. 68% if the shoe size is normally distributed
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round the number 597,007 to the nearest ten-thousand. the whole number …
600,000
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the following number has been rounded. decide whether the number has be…
thousand
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5. a. andre received and spent money in the following ways last month. …
5. a. i. $25$ ii. $18$ iii. $-10$ 5. b. 0 means Andre did not gain or spend any money (no change in his total money). 6. a. (Plot the points as described: $A$ at (2,3), $B$ at (-2…
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a person has eaten 27,735 hamburgers over the last 43 years. (a) find t…
(a) 645 (b) less
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the average scores for 25 participants is 55, with a sd of 9.1 calculat…
a. 50.341
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which statement places the words in a more familiar order, but retains …
A. Weren’t Macbeth and Banquo dismayed by our captains?
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a researcher measured how long 100 kine students from york and 100 u of…
b. 12
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each minute there is one diamond ring sold on a website. find the numbe…
69120
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the data given below is the expected points for a football team with fi…
a) $r = -0.9923$ Yes, the data points show linear correlation because $r$ is close to $-1$. b) $y = -0.08x + 6.70$
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calculate the missing value: sample mean 46.52 standard error ? standar…
d. 2.23
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henri puts aside $10 cash every month in a shoebox. he also makes a one…
$(f + g)(t) = 1,500(1.09)^t + 120t, t \geq 0$
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if you read that in a particular research study $mu = -36$, what should…
b. Everyone in the population was measured.
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one hundred students wrote an exam. the average was 12.8 and the standa…
d. -2.39
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pret rate of change and tial valueuse the information to answer problem…
1. The rate of change is $\$2$ per muffin. It represents the cost of each individual muffin. 2. The initial value is $\$15$. It represents the fixed delivery fee for the order. 3.…
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for distribution a, the mean is 40, the s.d. was 8. for distribution b …
e. b & c
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a bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. what…
$\frac{1}{5}$ or 0.2
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what is the theoretical probability of rolling an even number on a stan…
$\frac{1}{2}$
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question 3 (11.11 points)listenyou also need to order chairs for saturd…
90
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question 2 (1.14 points)you also need to order tables for saturday. the…
120
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date palm trees originated in the middle east and now grow in tropical …
False. The initial value is 0. True. The constant factor is 3. True. The initial value represents the height of the tree at 0 years. False. The growth factor represents the number…
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calculate the most appropriate measure of central tendency to describe …
a. 2.20
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10. expand the logarithmic expression. $log_{7}sqrt{x} = \\square$
$\frac{1}{2}\log_{5}x$
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below is an incomplete frequency distribution with the class intervals …
d. 4.50
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vocabulary - 2 review 8. we adapted a new game plan after losing the la…
8. b. modified the way we played the game 9. c. things were different 10. d. the front part of the body 11. a. a number of elephants 12. b. have a nine month pregnancy 13. d. the …
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10.1 2 3 4 5 61 2 3 4 52 3 4 53 4 5 64 556the figure above is a partial…
[D] 6
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scientific calculatora wedding tradition in the hindu culture involves …
4 The first term in the sequence is 2 and the common difference is 4 Dylan adds 4 flowers to the garland each additional minute.
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class interval | frequency (count)7.5-7.6 | 37.3-7.4 | 9l2-u2 | 2l1-u1 …
a. 7.00
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determine whether each graph represents a function. select yes or no fo…
1. No 2. Yes 3. No 4. Yes 5. No
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question 1 (3 points)use the given ratios to solve each problem.the rat…
16 ---
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read this dialog from amy tans mother tongue: du yusong having business…
C. The speaker uses expressive, if somewhat incorrect, English.
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consider the table of input and output values shown. drag a number to e…
The empty input box should be filled with $\boldsymbol{5}$ The completed input row is: $1, 7, 3, 2, 5, 4, 6$
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calculate the upper bound of the 95% ci. provide at least 3 decimal pla…
c. 13.520
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8. compare the quantities in column a and column b. column a column b t…
[D] The relationship cannot be determined from the information given. --- ### Problem 9
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what does it mean to raise a number to the power of 0? you can look at …
To get to the next row of the table, divide the value by $\boldsymbol{3}$. The value of $3^0$ is $\boldsymbol{1}$.
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read the sentence. i prefer a more unstructured work environment where …
C. not built in an orderly fashion
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an arithmetic sequence has the the terms t(1) = 9 and t(4) = 24.write t…
Equation for the sequence: $\boldsymbol{t(n) = 5n + 4}$ Term 0: $\boldsymbol{4}$
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2. which of the following is the best meaning of insurmountable as it i…
C. unbeatable
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what does it mean to raise a number to the power of 0? you can look at …
9
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consider the table of input and output values shown. drag a number to e…
| Input | 1 | 7 | 3 | 2 | 5 | 4 | 6 | |-------|---|---|---|---|---|---|---| | Output | 4 | 16 | 11 | 12 | 15 | 20 | 9 | Filled empty input boxes (left to right): 3, 5, 6
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7. donatos little brother joseph is too small to see inside his sock dr…
[C] $\frac{4}{7}$
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10 which character in this part of the drama helps reveal the theme of …
A. Liza
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drag each label to the correct location on the image during the 1960s, …
Martin Luther King Jr.: - nonviolent forms of protest - end of segregation - content of a person's character Malcolm X: - Nation of Islam - Black nationalism - equality by any mea…
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everyone may not know what breaking in is therefore i will describe it.…
D. "no way in the world can you get rid of the nasty hard thing"
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which economic system is characterized by minimal government interferen…
1. Market or Laissez-Faire 2. Communism or Command
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this is a 2-page documentdirections: write the ratio in simplest form.1…
1. $7:4$ 2. $5:6$ 3. $3:11$ 4. $36:29$ 5. $22:19$ 6. $2:9$ 7. $42^\circ$ 8. $24^\circ$, $108^\circ$, $48^\circ$ 9. $90^\circ$ 10. $80^\circ$ 11. 105 feet, 40 feet, 70 feet 12. 56 …
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1. use the information below to answer the following questions. a) circ…
Circle: continuous The independent variable is $\boldsymbol{Age}$ The dependent variable is $\boldsymbol{Maximum\ heart\ rate}$ Yes, it is a linear relation. The graph is a straig…
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consider the table of input and output values shown. drag a number to e…
The completed input row (from left to right in empty boxes) can be $\boldsymbol{3}$, $\boldsymbol{5}$, $\boldsymbol{6}$ (other valid assignments using the unused unique numbers $3…
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consider the data set shown on the graph. what point should be removed …
$(0, -1)$ *Note: $(0, -3)$, $(-5, -2)$, or $(-5, -4)$ are also valid correct answers.*
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5 jermaine never had any desire to become famous. he liked sitting in h…
A. Jermaine becomes famous because of his talent and not because he wants to be popular.
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a carpenter is building a rectangular deck. the deck should have a widt…
| $x$ | $f(x)$ | $g(x)$ | $h(x)$ | |-----|--------|--------|--------| | 1 | 2 | 3 | 6 | | 2 | 4 | 6 | 24 | | 5 | 10 | 15 | 150 | | 10 | 20 | 30 | 600 |
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consider the set of ordered pairs below. choose numbers from the drop-d…
One valid set is $\{(1, -1), (2, -2), (3, 3), (4, -3), (5, 4), (6, 5)\}$ (any unique x-values not equal to 1, 2, 3 are acceptable)
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consider the table of input and output values shown. drag a number to e…
| Input | 1 | 7 | 3 | 2 | 5 | 4 | 6 | |-------|---|---|---|---|---|---|---| | Output | 4 | 16 | 11 | 12 | 15 | 20 | 9 | *(Note: The empty input boxes can also be filled with 5, 3,…
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understanding macbeth act 1, scene 1 first witch. where shall we three …
The witches decide to meet Macbeth in the wilderness.
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consider the set of ordered pairs below. choose numbers from the drop-d…
For the first blank: 4, second blank: 5, third blank: 6 (Note: Any set of unique numbers that are not 1, 2, or 3 is acceptable, as long as all three x-values are distinct.)
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determine whether each graph represents a function. select yes or no fo…
1. Yes 2. No 3. No 4. Yes 5. Yes
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consider the table of input and output values shown. drag a number to e…
| Input | 1 | 7 | 3 | 2 | 5 | 4 | 6 | |-------|---|---|---|---|---|---|---| | Output | 4 | 16 | 11 | 12 | 15 | 20 | 9 | *(Note: Any unused numbers from {3,5,6} can be assigned to …
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consider the table of input and output values shown. drag a number to e…
Input row (empty boxes left to right): 3, 5, 6 *(Note: Any combination of unused unique inputs (3,5,6) in the empty boxes is valid, as long as no input repeats.)*
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subtracting functions given in tables an account after $x$ years of sim…
| $x$ | 1 | 2 | 3 | 4 | |-----|---|---|---|---| | $(f-g)(x)$ | 1.74 | 7.41 | 17.21 | 31.34 |
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consider the data set shown on the graph. what point should be removed …
$(0,-2)$ *Note: $(0,2)$, $(4,0)$, or $(4,-2)$ are also valid correct answers.*
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| word study - word parts anti-, mid-, trans- - anti- means \against\ o…
1. antiskid 2. transpacific 3. midsummer 4. transpolar 5. antiglare 6. antilock 7. transcontinental 8. midday
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1. if the system of equations $y = 3x + 5$ and $y = 3x + 5$ is solved, …
1. b. Infinitely many solutions 2. a. There is one solution
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3. are we likely to widen or shrink the margin of error if we convert f…
Neither, these units cannot be converted to one another.
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1. if the equations of a system are $3x + 2y = 6$ and $6x + 4y = 12$, t…
d. Consistent and dependent
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6/10 which function definition correctly represents the sequence starti…
A. $-100 + 50(n-1)$ B. $-150 + 50n$
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room < 73 > 0 130 skips: 5 free skip in 9:24 skip skip 10 starter pack!…
17
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using conflict resolution to understand theme ow, here, take this ten d…
The story's message is that being a hero means choosing compassion, empathy, and redemption over punishment or anger. A hero uses their power to lift others up, offering understan…
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read the paragraph below. then select the underlined word that is a ver…
hired
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type the correct answer in each box $a = \\begin{bmatrix}-3&1&0&7\\\\5&…
$x_{24}$ represents the element $\boldsymbol{-3}$ and $y_{13}$ represents the element $\boldsymbol{7}$
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choose three correct statements about mansa musa. a \mansa musa\ means …
B. Mansa Musa ruled over Mali. D. Mansa Musa is famous for his religious pilgrimage. E. Timbuktu was part of Mansa Musa's empire.
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it is much safer to be feared than loved, when, of the two, either must…
He uses deductive reasoning because he introduces a conclusion and proves it with evidence.
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read the sentence and answer the question that follows. tulip bulbs wer…
A. Gardeners planted tulip bulbs in the fall so there would be plenty of tulips for the spring festival.
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1 what does the term purged mean in the context of shakespearean litera…
A. to free from impurities
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read the sentence and answer the question that follows. jamie sent a th…
D. A thank-you note for the present was sent to Martha from Jamie.
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read the sentence and answer the question that follows. tulip bulbs wer…
A. Gardeners planted tulip bulbs in the fall so there would be plenty of tulips for the spring festival.
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below are the scores for 21 participants. calculate (using excel) both …
$\approx 3.10$ (or exact value $\frac{65}{21}$)
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read the paragraph below. then select the underlined word that is a ver…
hired
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read the sentence and answer the question that follows. jamie sent a th…
D. A thank-you note for the present was sent to Martha from Jamie.
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read the paragraph below. then select the underlined word that is a ver…
hired
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three classes wrote the same test with the following results class a: 4…
66.84
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i say that the nobles ought to be looked at mainly in two ways: that is…
C. The use of academic language gives the text a serious and instructive tone.
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what does it mean if a system of equations graphs as two intersecting l…
1. d. The system has one solution. 2. b. $x=5$
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6. select the correct answers by entering the data from the table in yo…
1. Best model: a. cubic 2. Equation of best fit: f. $y = 0.089x^3 - 10.637x + 91.047$ 3. Predicted $y$ when $x=10$: $73.68$ (rounded to two decimal places)
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calculate the standard deviation given these raw scores 48, 54, 39, 57,…
$\approx 7.38$ (or exact form $\sqrt{54.4}$)
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therefore, one who becomes a prince through the favour of the people ou…
The argument uses both deductive and inductive reasoning that relies on anecdotal evidence to support the claim.
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12. did president hoover agree or disagree with president coolidge? 13.…
12. President Hoover agreed with President Coolidge. 13. 1. Struggling agricultural sector (plummeting crop prices, farmer debt) 2. Severe uneven wealth distribution (most wealth …
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you want to compare the cars total purchase price, including the upgrad…
The amounts under budget, from least to greatest, are $120, $140, and $167.
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mya explains that all advanced driver-assistance systems include blind …
The sensor distances in order from greatest to least are 30 feet, 27 feet, and 25 feet.
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having a low, negative z score indicates that the corresponding raw sco…
d. is something that rarely occurs
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below are the scores for 21 participants. calculate (using excel) both …
$\approx 3.10$ (or exact value $\frac{65}{21}$)
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a group of scores has mean equal to 55. a raw score of 50 corresponds t…
c. 5
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lesson activityprintfigurative language in fictionthis activity will he…
Figurative language is a powerful tool for fiction writers, as it deepens reader immersion and adds layered meaning to a story. By using devices like similes, metaphors, and perso…
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landon put his head down and ran, a rocket headed straight for home bas…
A. The metaphor suggests that Landon is running extremely fast.
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please calculate the sd of a sample of 9 data using the formula taught …
1. $\approx 1.22$ 2. c. Can't be determined from the information provided
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answer sara thought pollitos meant little police officers. answer señor…
1. Sara thought pollitos meant little police officers. → True 2. Señor Vivora says there is only one version of this song in the world. → False 3. Sara guessed that maíz meant "mi…
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this question has two parts. answer part a, and then answer part b. par…
4. complaints and excuses
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how much land is the correct location. not all labels will be used. the…
The area of the land is $\boldsymbol{2.31 \times 10^7}$ square meters in scientific notation. We can represent this area as $\boldsymbol{2.31 \times 10^1}$ square kilometers in sc…
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kellie is allowed to watch up to 90 minutes of tv per day. if she watch…
4 episodes
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1. what did it mean to say ghanas independence was \won by blood\? 2. w…
1. It refers to the violent armed resistance (like the Anglo-Ashanti Wars) against British colonial rule, where bloodshed in anti-colonial battles laid groundwork for independence…
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after reading several of her poems, the distinguished poet answered all…
3. notable 4. respected