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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what does pci dss mean? ○ permanent credit identity deterrent system ○ …
B. Payment Card Industry Data Security Standards
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6. how do the authors of each passage organize the information regardin…
C. Passage one presents statistics and facts supporting the driving age of 16 first, followed by potential benefits and encouragements, while passage two presents information by p…
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danny said that his sons new car cost an arm and a leg. which phrase be…
B. was very expensive
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because of a problem in the program, the timer in a video player did no…
105
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an animal shelter had 12 fewer cats than their capacity. then they rece…
A. \(-12 + 18 -? = 0\)
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5. deandre gana $15 por hora trabajando en un restaurante. este mes, re…
La ecuación que representa las ganancias totales de DeAndre es \( T = 15h + 100 \), donde \( h \) es el número de horas trabajadas y \( T \) es el total de ganancias.
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17. 30% as a fraction 18. 60% as a fraction 19. 90% as a fraction 20. 5…
\( \frac{3}{10} \) ### Question 18: 60% as a fraction
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12. for each of the following statements, determine which average, the …
median ### Part (b)
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8. (proportional relationship) a vehicle uses $1\\ 1/8$ gallons of gaso…
12
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5. (proportional relationship) line kn represents a proportional relati…
(7.5,5)
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18) mr. hinkley owns 73 acres of land. he divides the land into six equ…
D. more than 12 and less than 13
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18) mr. hinkley owns 73 acres of land. he divides the land into six equ…
D. more than 12 and less than 13 ### Question 19
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a bicyclist travels $6\\frac{1}{2}$ miles in $\\frac{2}{3}$ hour. what …
The average speed of the bicyclist is \( 9\frac{3}{4} \) miles per hour.
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the ratio of dogs to cats at an animal shelter is 4:3. there are 40 mor…
160 dogs and 120 cats
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pair each vocabulary word with its definition el difunto el velorio una…
To solve this vocabulary - pairing problem, we analyze each Spanish term and match it with the corresponding English definition: ### 1. For "el difunto" The meaning of "el difunto…
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express the number in standard notation. 1.325 × 10⁰
1.325
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express the number in standard notation. $6.83 \\times 10^8$
683000000
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express the number in standard notation. 2.3 × 10⁰
2.3
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express the number in standard notation. 5.74 × 10⁶
5740000
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express the number below in standard notation. 7.77 × 10⁻⁴
0.000777
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how is the number below correctly expressed in standard form? $2.75 \\t…
A. 2.75
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7. the score on a ten question quiz is computed by multiplying the numb…
B. the score on the quiz
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6. an online music streaming service charges $35 per month plus a $2 ad…
1. a. total cost per month 2. b. number of audiobooks downloaded
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1. water is being pumped into a large cylindrical tank. which is the in…
A. how long the water is being pumped (time)
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5 mrs. neihoff gets paid $500, plus one tenth of all sales she makes at…
A. \( s \)
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4. a large pot already containing 1.75 quarts of water is being filled …
C. \( a \)
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2. the table shows a relation between x, the number of dvds rented and …
C. \(\{8, 12, 16\}\)
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6. jason spends 2 hours studying for a final test. which choice is a de…
B. the score on the final test
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3. in the following scenario, identify the independent and dependent va…
1. a. Dependent 2. b. Independent
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2. in the following scenario, identify the independent and dependent va…
1. The speed of the runner: b. Independent 2. The time it takes to run a mile: a. Dependent
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122. what does it mean to exceed expectations? to do average work to go…
B. To go above and beyond what is expected of you
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5 sara está horneando panecillos. ella utiliza 0.25 taza de azúcar para…
D. 1.75
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4 chucho conduce 20.1 millas todos los días. ¿cuántas millas conducirá …
C. 180.9 millas
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2 federico traerá 25 cajas de jugo a un picnic familiar. càda caja de j…
C. 210 onzas líquidas
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2 federico traerá 25 cajas de jugo a un picnic familiar. cada caja de j…
C. 210 onzas líquidas
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type the equations and values needed to compute the difference between …
To compute the difference, we use the following: 1. **Market Value (MV) at 8th year**: \( MV = 15500\times\frac{8}{100}\) (where \( 8\% \) is the market value percentage at Year 8…
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62. a family on vacation in an rv leaves home at 9 a.m., travels at an …
C. 12:51 p.m.
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in order to keep track of the elephant population in africa, kiara catc…
656
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to estimate the number of moths in a certain region, savannah traps 168…
2988
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recently, frogs have been disappearing from the wild due to a contagiou…
280
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4. israel ate ⅓ of a pizza. later, he returned to the pizza and ate hal…
$\frac{5}{6}$ of the pizza. ### Question 5:
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2. create equivalent fractions. \\(\\frac{1}{3}=\\frac{}{6}\\)\\(\\frac…
$\frac{1}{3}=\frac{2}{6}=\frac{3}{9}=\frac{4}{12}=\frac{5}{15}=\frac{6}{18}=\frac{7}{21}$ (The equivalent fractions are calculated by multiplying numerator and denominator by the …
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8. a survey was taken among 200 high school students. they were asked w…
To construct the bar graph: 1. **Axes Setup**: - **Horizontal (X) Axis**: Label with the careers: Doctor, Scientist, Military Officer, Lawyer, Athlete. - **Vertical (Y) Axis**: Se…
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8. a survey was taken among 200 high school students. they were asked w…
### Part (a): Construct a Bar Graph #### Step 1: Identify Axes and Categories - **X - axis (Horizontal Axis)**: Represents the different careers (Doctor, Scientist, Military Offic…
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question 16 of 40 this graph shows the distance that a robot walks. wha…
D. 20 feet per minute
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3. in the past year, 900 cases of accidental in - home poisonings were …
Since there are multiple sub - questions, we will use the appropriate solution format for each. Let's start with question 3 (a) (assuming the main task is to construct a circle gr…
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2. according to the bureau of business and economic research, the per c…
s (a) After drawing the line graph, we observe that the per capita income is generally increasing (with a dip in 2009, but overall, the values in later years are higher than in 20…
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how would you describe the meaning of alliteration? (1 point) when mult…
when several words in a short section begin with the same sound
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how would you describe the meaning of enjambment? (1 point) ○ when mult…
when a line break occurs in the middle of a sentence or phrase in a poem
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2. create equivalent fractions. \\frac{1}{3} = \\frac{}{6} = \\frac{3}{…
$\frac{9}{10}$ ### Part b: $\boldsymbol{\frac{7}{8} - \frac{1}{4}}$
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solve. write the answer using proper scientific notation. 1 the earth i…
$7.88\times 10^{7}$ miles ### Problem 2
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categorize each of the following as simple random sampling, stratified …
Cluster Sampling ### Question 28
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each of the following words or terms describes some data that are to be…
Quantitative ### 18. Your favorite TV show
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decide whether each of the following is in the area of descriptive or i…
Descriptive Statistics ### Question 8
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$\\frac{70}{r \\text{ (growth rate)}} = \\text{doubling time} \\\\ r \\…
35 years
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a student believes there is a correlation between the number of texts s…
The slope is - 0.1. Starting at 3.9, the GPA will decrease by 0.1 for every text sent in class.
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decide if each of the following studies is an example of an observation…
Statistical Survey ### 2.
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decide if each of the following studies is an example of an observation…
statistical survey ### 2.
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which metric quantifies the delta between estimated resource cost and a…
A. Price Variance ### Second Question (Metric for stakeholder satisfaction and recommendation likelihood)
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{{ fire breathers training system }} {question 4/7} (passing score: 7/7…
[Retreat immediately]
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proportions & scale factors practice complete this assessment to review…
6
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complete this assessment to review what youve learned. it will not coun…
4
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you began membership in a new health and fitness club which has access …
d. From week 5 to week 6
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determine any data values that are missing from the table, assuming tha…
d. 11
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determine any data values that are missing from the table, assuming tha…
a. Missing x:8, Missing y:23
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has the marrying age of a man changed over the years? the united states…
a. 0.0825 years of age per year
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16. jeanne will use more than \\(\\frac{2}{4}\\) cup of sugar but less …
D. \(\frac{3}{4}\) ### Question 17 A
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d uses 21 white tiles and some black tiles to make a mosaic. the mosaic…
Todd used 27 black tiles.
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5. a. which expression best describes the model below? image of an arra…
C. \(4 \times 267\) ### Part B
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4. anthony has 4 times as many crayons as maria. maria has 47 crayons. …
Anthony
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katys class visited the bookfair this afternoon. she bought a set of m …
The second diagram (the one with total 9, split into \( m \) and 4) ### Part 2: Which equation models the story?
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ms. maynard brought ( q ) math quizzes home to grade over the weekend. …
The first diagram (with \( q \) as total, split into 56 and 31) ### Equation Model:
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ann is making her grandfather a scrapbook for his birthday. the scrapbo…
The first diagram (top - \(w\), bottom - 35 and 15) ### Part 2: Which equation models the story?
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on black friday, jack waited in line for hours to get a new tv. he ende…
The second diagram (with the 50 - inch bar and an \( n \) - inch extension to the 70 - inch bar) ### Part 2: Which equation models the story?
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azalea botanical gardens is adding new tropical greenhouses. the garden…
The second diagram (the one with total \( t \) and three blue boxes each labeled 20) ### Equation Question
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victoria teaches a dog - training course at her local community center.…
The second diagram (with 6 boxes labeled \( t \) and a total of 30) ### Part 2: Which equation models the story?
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candice spent 3 4/5 hours, and shane spend 2 1/10 hours at track practi…
$1\frac{7}{10}$ hours
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candice spent 3 4/5 hours, and shane spend 2 9/10 hours at track practi…
\( \frac{9}{10} \) hours
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lisa starts counting at 830. she counts by fives. what two numbers does…
D. 835 and 840
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fill in the blanks by counting by 5s. blank 45 blank blank 60 blank rel…
The filled blanks (from left to right) are 40, 50, 55, 65. So the sequence is $\boldsymbol{40}$, 45, $\boldsymbol{50}$, $\boldsymbol{55}$, 60, $\boldsymbol{65}$.
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data was collected for a sample of organic snacks. the amount of sugar …
44
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practice: descriptive statistics score: 0/30 answered: 0/30 question 1 …
| Stem | Leaf | |------|------| | 1 | 8 | | 2 | 5 | | 3 | 1, 1, 2, 3, 4, 7, 9 | | 4 | 1, 2, 3, 4, 5, 6, 6, 9 | | 5 | 3, 3, 7, 9 |
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a transit company operates commuter trains to help people get to the ci…
D. 20
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in e-mails, it is okay to send messages that are ______. a. aggressive …
d. Meant for company employees and executives
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when you are hearing speech, it means that ______. a. you are paying cl…
B. The sound has reached your ears
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solve percent problems with proportions quick check hollys gross pay af…
C. 10.9%
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solve percent problems with proportions quick check rafeals family dinn…
B. $19.69
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solve percent problems with proportions quick check use proportional re…
\(\$54\) (corresponding to the option "C. \$54" if we assume the options are labeled A, B, C, D with A: \$3.62, B: \$82, C: \$54, D: \$50)
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circle true or false. 1 $(6.1 \\times 10^4) \\cdot (3.5 \\times 10^7) =…
False ### Question 2
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solve percent problems with proportions practice complete this assessme…
\( \$26.25 \)
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number of mistakes 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 2…
A. As the number of weeks in class increases, the number of keyboarding mistakes decreases.
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a scatterplot is produced to compare the number of hours that students …
C. As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.
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x | y 6 | 71 7 | 68 7.5 | 69 7.5 | 65 8 | 63 8.25 | 62 8.25 | 64 9 | 60…
(8, 35)
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1. a hiker descends $2\\frac{1}{2}$ miles each day for 4 days. write an…
The total change in elevation is 10 miles. ### Problem 2
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3. robin and trey love the cold weather. in fact, the colder the weathe…
Trey’s location is colder. Inequalities: \(-14.2 < -6.8\) and \(|-14.2| > |-6.8|\). ### Problem 2 (Lynn and Max's Depth)
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grade 8 unit 7 general mathematics (standards) name symbols of inequali…
If the first thermometer's temperature is \(T_1\) and the second is \(T_2\), and \(T_1=-6\), \(T_2 = - 4\), the inequalities are \(\boldsymbol{-6 < - 4}\) and \(\boldsymbol{-4 > -…
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name symbols of inequalities: reflection choose 3 questions to answer. …
Negative numbers are used to represent values less than zero (e.g., debt, sub - zero temperatures, elevation below sea level). They are important for quantifying losses, opposite …
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symbols of inequalities: reflection choose 3 questions to answer. - whe…
To answer these reflection questions, we'll address three of them with brief explanations: ### 1. When are negative numbers used and why are they important? Negative numbers repre…
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c. is the captain above or below water? what integer represents his ele…
The captain is above water. The integer representing his elevation is \( 23 \). ### Part d: Fishing Net's Elevation
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grade 6 unit 7 georgia’s k-12 mathematics standards c. is the captain a…
Since the problem is about integers, absolute values, and inequalities related to elevation (a common context in number sense and operations in Mathematics, specifically in the su…