統計と確率
データ分析、確率分布、仮説検定、統計手法。
-
a spinner is divided into five colored sections that are not of equal s…
24%
-
put together, heather and andre have 33 total comic books. andre has 2 …
Heather has 11 comic books, Andre has 22 comic books. Andre has more comic books (by 11).
-
by how much will the mean vary if the outlier is included? 79, 69, 81, …
C. 5.4
-
put together, latasia and emily have 93 total pencils. emily has 2 time…
Latasia has 31 pencils, and Emily has 62 pencils. The number of pencils in Emily's collection is 62, and the number of pencils in Latasia's collection is 31. Emily has more pencil…
-
1 multiple choice 10 points anything which is used to determine the val…
1. Unit of Account 2. Unit of Account
-
what effect will the outlier have on the median of the data if the outl…
B. does not change
-
how would the data be affected if the lowest quiz score was dropped fro…
B. The mean would increase by 6 points
-
a data set can contain more than one median, or no median at all. true …
False
-
what effect will the outlier have on the median of the data if the outl…
A. decreases
-
13. alessandro makes 3 pizzas in 5 minutes. at this rate, how many pizz…
\( 6.6 \) (or if we consider whole pizzas, we might say 6 or 7 depending on context, but mathematically it's \( 6.6 \))
-
13. communication cell phone usage grew about 23% each year from 2010 t…
The function modeling cell phone usage is $U(t) = 43000000(1.23)^t$ where $t$ is the number of years after 2010. The estimated cell phone usage in 2013 is 79920000.
-
complete the sentence. colin knew that he had heard the word auspicious…
could he use the word in a sentence
-
complete the sentence. the bicycles for educational empowerment program…
not only helps children
-
the new recommendation is to eat one and seven - eighths ounces of whol…
One and one - fourth ounces
-
distance (miles)time (hours) 7.5 1 15 2 22.5 3 30 4 the table represent…
A. Emma travels 0.5 miles per hour faster than Becky.
-
darius has 36 fewer video games than louis. louis has 78 video games. h…
- Louis' video games: 78 - Darius' video games: 42 - Person with more: Louis - Total video games: 120
-
it also shows the buying and selling arrangements for galaxium among th…
$\{\text{Alir, Sydow, Tixo, Wil}\}$
-
5. the number of insects in the sample went from 60 to 24. find the per…
The percent decrease is 60%. ### Problem 7
-
3. this graph shows a trip on a bike trail. the trail has markers every…
a. Between 2.4 hours and 3.0 hours b. Between 1.0 hours and 1.6 hours c. Between 0 hours and 2.4 hours d. Between 2.4 hours and 3.0 hours e. Between 1.0 hours and 1.6 hours
-
12. mr. broadway made a dot plot to represent math test scores for stud…
s: 12. \(\boldsymbol{3}\) (Note: Original 0 may be incorrect; recheck dot plot.) 14. D. The scores on Saturday have a greater median than the scores on Sunday, but both data sets …
-
universal set is everyone you know.\ plement of your social media frien…
First dropdown: **is everyone on social media** Second dropdown: **are not** Additionally, verifying the first two parts for accuracy: 1. (Universal set: everyone you know) Comple…
-
10. jason practices playing the drums for 25 minutes every 2 days. how …
\(437.5\) minutes (or 425/450 depending on interpretation, but likely 437.5)
-
a new school has opened in the area. the school did not have a yearbook…
B. $y = 742t + 500$
-
vet clinic has a vet technician to the of 5 to 2. the total number of v…
For the Jason's drumming practice: 450 minutes. (Note: The first sub - question has unclear text, but the second one is solvable as above. If the first sub - question's ratio is v…
-
2. ) analyze the graph and answer the following questions the graph sho…
Decreasing ### Part b)
-
lesson 10: practice problems 1. the graph shows the distance of a car f…
First, the car drives away from home at a constant speed, getting farther over time. Then, the car stops and stays in one place (not moving closer or farther from home) for some t…
-
wednesday what is 130% of 40?
52
-
escribe y grafica la desigualdad. no debe haber más de 4 jugadores en e…
La desigualdad es \( \boldsymbol{x \leq 4} \). Para la gráfica, se marca un punto cerrado en 4 y se traza una línea hacia la izquierda a lo largo de la recta numérica.
-
escribe y grafica la desigualdad. no puedes tener menos de 5 años para …
La desigualdad es \( \boldsymbol{x \geq 5} \). Para graficarla, marcamos un punto cerrado en 5 y trazamos una línea hacia la derecha a partir de ese punto en la recta numérica.
-
correlation means that _______. one variable causes another two variabl…
two variables are related
-
the table below represents a portion of a geometric sequence. n | 1 | 2…
8, 16, 32, 64
-
investment in human capital means paying people more. getting additiona…
B. getting additional education, practicing new skills, and developing talent.
-
multiple-choice question what do you think \inadmissible in court\ mean…
The option "can not be used in court" (the option with this text, assuming the first option boxed here represents it, but based on the meaning, the correct choice is the one stati…
-
final grade an instructor grades exams, 20%; term paper, 50%; and final…
89.5
-
final grade an instructor grades exams, 10%; term paper, 70%; and final…
95.6
-
final grade an instructor grades exams, 30%; term paper, 40%; and final…
81.9
-
a contractor records the areas, in square feet, of a small sample of ho…
Variance: $84000$ Standard Deviation: $290$
-
he was the eastern roman (or byzantine) emperor from 527 until his deat…
1. "He was the Eastern Roman (or Byzantine) Emperor from 527 until his death. He is considered a saint by the Eastern Orthodox churches." - Justinian 2. "This is the name for laws…
-
fraction four equivalent frac the players take turns rolling two 6 side…
The valid equivalent fractions to $\frac{4}{5}$ on the board are: - $\frac{4}{5}$ (2nd row, 2nd) - $\frac{8}{10}$ (1st row, 2nd) - $\frac{12}{15}$ (1st row, 6th; 4th row, 4th; 6th…
-
a bus travels 25 miles in 30 minutes. which graph has a slope that best…
B. Bus Speed graph where at 30 minutes, distance is 25 miles
-
21. the time it takes to fill a water tank varies inversely with the wa…
24 minutes
-
calculate standa a contractor records the areas, in square feet, of a s…
$\boldsymbol{(250)^2 + (-400)^2 + (-250)^2 + (350)^2 + (100)^2 + (-50)^2 = 420,000}$
-
a donut company has 2 stores in the first year of business. the company…
C. Year 7
-
a donut company has 2 stores in the first year of business. the company…
D. Year 8
-
a donut company has 2 stores in the first year of business. the company…
A. 512
-
the iron key the attic was thick with dust, but maya didnt mind. she wa…
1. The small iron key (and the heavy trunk, but the key is the primary symbolic object driving the plot) 2. Maya's mother views the trunk as a burden; it represents the "weight of…
-
fill in the blank 4 points tony is a hospital database administrator wh…
primary
-
19. ( r ) varies directly as ( s ) and inversely as ( t ) cubed. if ( r…
78.75
-
the daily revenue at the splashzone water park is modeled by $r(p) = -0…
### Part a) # Explanation: ## Step 1: Substitute \( p(t) \) into \( R(p) \) We know \( R(p) = -0.01p^3 + 1.00p^2 - 0.70p \) and \( p(t) = 0.71t + 42.00 \). So we substitute \( p =…
-
place the numbers in order from least to greatest. least $3.991\\times1…
Least to greatest: \(9.339\times10^{3}\), \(8.941\times10^{7}\), \(2.617\times10^{9}\), \(1.285\times10^{11}\), \(3.991\times10^{12}\)
-
a set of data has a high - value outlier. how do you expect the standar…
When a high-value outlier is removed, the standard deviation will **decrease**. The result would NOT be different for a low-value outlier: removing it will also cause the standard…
-
an athlete can run 9 kilometers in 1 hour. if the athlete runs at that …
C. 4.5 kilometers
-
enrollments for selected independent religiously controlled 4-year coll…
409
-
ratios & proportions solve the following proportions: 1. $\\frac{27}{x}…
1. $x = \frac{36}{5}$ or $7.2$ 2. $x = 12$
-
18. if ( q ) is inversely proportional to ( r ) squared and ( q = 30 ) …
$r = 15$
-
enrollments for selected independent religiously controlled 4-year coll…
409
-
match each verb to its meaning in english. bebió select... aprendieron …
- bebió: drank - aprendieron: learned - dormimos: slept - corrí: ran - asististe: attended - conocisteis: knew (or "met")
-
see if you can match these sentences to their meaning in english! remem…
s (matching each Spanish sentence to English meaning): - Comí en un restaurante: I ate in a restaurant. - Comiste en un restaurante: You (informal) ate in a restaurant. - Comió en…
-
what is the value of 1,210,000 in scientific notation? 1.21 × 10⁴ 1.21 …
\( 1.21\times10^{6} \) (corresponding to the option with the red dot: \( 1.21\times10^{6} \))
-
what is the value of 59,000 in scientific notation? 5.9 x 10⁴ 5.9 x 10⁵…
A. \(5.9\times10^{4}\)
-
total control complete the quote: i am the ______. enter answer submit …
State
-
what is the value of 125,000 in scientific notation? 12.5 × 10⁴ 1.25 × …
\( 1.25 \times 10^5 \) (the option with this value, e.g., if the options are labeled as above, the correct one is the one with \( 1.25 \times 10^5 \))
-
(a) escribir 5.9% como un decimal. (b) escribir 0.751 como un porcentaj…
(a) $5.9\% = 0.059$ (b) $0.751 = 75.1\%$
-
multiple choice 2 points british settlers in north america branded afri…
oppressing black people/oprimir a las personas negras
-
if you share 20 cookies equally among 5 friends, how many cookies does …
4
-
multiple choice 1 point black people in carolina faced the issue of bei…
A. hunted and needed/temido y necesario
-
8 multiple choice 1 point read the etymology of the word vigilant. orig…
A. alert
-
hay 8 rosas en un florero con 13 flores. el resto son margaritas. (a) ¿…
(a) $\frac{8}{5}$ (o 8:5) (b) $\frac{5}{13}$ (o 5:13)
-
what are the main elements of a project status update? (choose two) wha…
1. What has been completed within a specific time period. 2. What is forecast to be completed in the next time period.
-
how would the inclusion of the image at the beginning of the text impac…
B. It highlights the audience and the extent of Carter’s calls to action.
-
\of the state of nature\ \... (w)e must consider, what state all men ar…
C. Individuals have natural freedom to make choices without interference
-
4. when juliet says \that which we call a rose / by any other word woul…
1. Juliet means that an object's or person's inherent nature is not tied to its name; Romeo's worth is not defined by his family name (Montague), and their love should not be limi…
-
the 1968 east la walkouts were student - led protests by mexican americ…
1. No student or teacher will face punishment for working to improve school educational quality. 2. Bilingual-bicultural education will be required in schools with a Mexican-Ameri…
-
which inequality is true? a (\frac{10}{3}<sqrt{10}) b (-\frac{1}{8}>-\f…
D. $-0.07 > -0.7$
-
calls received by a 911 operator the data show the number of calls rece…
Mean: 25.7 Modal Class: 25-27
-
7.2.1 proportiona identify and use the k from tables, graphs, equa dire…
1. First table (complete, rule: $y=12x$), graph points: $(0,0), (1,12), (2,24), (3,36)$ 2. Second table (complete, rule: $y=5x$), graph points: $(0,0), (1,5), (2,10), (3,15)$ 3. T…
-
which set of ordered pairs represents y as a function of x? a {(5, 13),…
A. {(5, 13), (7, 17), (9, 21), (11, 25)}
-
what is the main difference between central idea and theme? the central…
A. The central idea is a specific point about the text and the theme is a universal message
-
ii) add or subtract and reduce if possible: 1) \\(\frac{9}{16} + \frac{…
$\frac{3}{4}$
-
the exponential models describe the population of the indicated country…
Country D and Country E have the decreasing populations. The population of Country D is decreasing by \( 0.5\% \) and the population of Country E is decreasing by \( 0.2\% \) each…
-
10 how can fiscal policy help increase employment? true or false 11 ful…
False ### Question 12:
-
true or false 8 contractionary fiscal policy is used to lower inflation…
True ### Question 9:
-
what word means: the degree of highness or lowness of a tone, the quali…
A. Pitch
-
what word means: the character or quality of a musical sound or voice a…
Timbre (the option labeled "Timbre")
-
what word means: a strong, regular, repeated pattern of movement or sou…
Rhythm (the option with "Rhythm" as its text)
-
ml week 03 stem quiz (ela.aor.7) which word means \the measurement of h…
auditory (Note: If there was a word like "audiometry" (the actual measurement of hearing), but among the given options, "auditory" is the one most related to hearing. However, if …
-
week 03 stem quiz (ela.aor.7) which word means \without being seen\? op…
invisibly (the option with "invisibly" as the text, e.g., if it's option B: B. invisibly)
-
il week 03 stem quiz (ela.aor.7) which word means \transferring through…
transience (the option with "transience" as the word)
-
of the meanings below, which is the denotation of blue? a melancholy mo…
D. a primary color. (Assuming the options are labeled as A: a melancholy mood, B: the ocean, the sky, C: my fav color!, D: a primary color)
-
the cost of gasoline is $4 per gallon. y = 4x use the direct variation …
\( 44 \)
-
much money people and businesses have. when used correctly, it can help…
Fiscal policy is the government's strategy of collecting (via taxes) and spending money to influence the economy, like boosting growth, maintaining employment, and regulating pric…
-
ml week 03 stem quiz (ela.aor.7) which word means \to settle a dispute …
The word that means "to settle a dispute between people" is intercede (assuming the option with "intercede" is the correct one; based on the analysis, the option with "intercede" …
-
ml week 03 stem quiz (ela.aor.7) which stem means \between or among\? ○…
B. inter (assuming the options are labeled with letters, but based on the choices, the correct one is "inter")
-
which stem means \believe\? ○ chron ○ cred ○ circum ○ inter ○ cor / cou…
cred (the option with "cred" as the stem)
-
ml week 03 stem quiz (ela.aor.7) which stem means \around\? ○ chron ○ c…
B. circum (assuming the options are labeled with letters, but based on the choices, the correct one is "circum")
-
ml week 03 stem quiz (ela.aor.7) which stem means \take\? ○ cred ○ pre …
sume / sumpt
-
select the correct answer. in alice walker’s “everyday use,” what does …
A. Dee thinks that the quilts are works of art that are too precious for everyday use.
-
which stem means \hang\? ○ cred ○ inter ○ pend ○ pre ○ sume/sumpt ○ tra…
The option with "pend" (the third option in the top row, assuming the options are presented as: cred, inter, pend (top row); pre, sume/sumpt, trans (bottom row)). So the correct o…
-
ml week 03 stem quiz (ela.aor.7) which stem means \time\? options: aud,…
chron (the option with "chron" as the stem)
-
a pizza shop has the menu shown. menu | size | diameter | price | | ---…
C. Large