統計與機率
資料分析、機率分佈、假設檢定與統計方法。
-
jenna created a scatter plot and drew a line of best fit, as shown. wha…
B. \( y = -\frac{3}{4}x + 19 \)
-
a dance school offers classes in ballet folklórico. there is a one - ti…
12
-
write the number in scientific notation. 66,012 66,012 = (use scientifi…
\( 6.6012 \times 10^{4} \)
-
select the correct answer. consider this scatter plot. which line best …
B. line B
-
which situation describes the number line correctly? a the temperature …
D. The temperature is \(8.5^\circ\)F and decreases \(12.5^\circ\)F
-
a dance school offers classes in ballet folklórico. there is a one - ti…
\((3, 36)\) (or \((7, 68)\) as both are valid; here we choose \((3, 36)\))
-
write the number in scientific notation. 0.021 0.021 = (use scientific …
\( 2.1 \times 10^{-2} \)
-
two friends, skylar and aaron, took summer jobs. aaron earned $520.80 i…
\(6.5\) dollars
-
use the graph to answer questions 2–5. 2. which lines represent proport…
Lines A, C, D, and E represent proportional relationships. We know this because a proportional relationship is a linear relationship (a straight line) that passes through the orig…
-
drag the tiles to the correct boxes to complete the pairs. match the pa…
- correlation with causation: the number of high school seniors and high school graduates - correlation without causation: the amount of snowfall and the number of voters, the num…
-
a dance school offers classes in ballet folklórico. there is a one - ti…
8
-
write the following number in scientific notation. 15,920,000 15,920,00…
\( 1.592\times10^{7} \)
-
lesson 2: homework notes or additional instructions based on whole-clas…
Lines A, C, D, and E represent proportional relationships. This is because proportional relationships are linear (straight lines) and pass through the origin \((0,0)\). Line B is …
-
before you try that problem, answer the question below. how many ounces…
To determine the price of strawberries in dollars per ounce, we need the total cost (in dollars) Ajay paid for the 16 ounces of strawberries. The formula is $\boldsymbol{\text{Pri…
-
a dance school offers classes in ballet folklórico. there is a one - ti…
The two points are \((3, 36)\) and \((7, 68)\). From the given dropdown, the first point is \((3, 36)\) and the other (correct) point (based on the problem) is \((7, 68)\), but am…
-
which the statements are valid inferences that can be made based on the…
B. On average, about 20% of customers prefer extra cheese.
-
question ajay bought one pound of strawberries for $7.20. what is the p…
16
-
lesson 2: homework notes or additional instructions based on whole-clas…
a. The graph is a straight line. b. The line has a \( y \)-intercept of 0. c. The line passes through the origin. d. The line has an \( x \)-intercept of 0. e. The line passes thr…
-
notes or additional instructions based on whole-class discussion of hom…
a. The graph is a straight line. b. The line has a \( y \)-intercept of 0. c. The line passes through the origin. d. The line has an \( x \)-intercept of 0. e. The line passes thr…
-
while being deflated, a hot - air balloon loses 300 cubic meters of air…
-100
-
review of the eight parts of speech the eight parts of speech are • nou…
s (for each numbered blank): 1. Preposition 2. Interjection 3. Verb 4. Adjective 5. Noun 6. Adverb 7. Pronoun (Possessive) 8. Interjection 9. Adverb 10. Interjection (or Adverb) 1…
-
while being deflated, a hot - air balloon loses 300 cubic meters of air…
The rate of change is $\boldsymbol{-100}$ cubic meters per minute because the amount of air in the balloon $\boldsymbol{decreases}$ over time.
-
question 18 of 25 which statement about financial well - being is true?…
A. Financial well - being means different things to different people.
-
a hot - air balloon is flying at an altitude of 150 feet (ft). when the…
The rate of change is 400 feet per minute. So the correct rate of change is 400, meaning the altitude increases by 400 feet every minute.
-
38. an artist mixes \\( \\frac{1}{2} \\) liter of red paint with 2 lite…
A. $1\frac{1}{4}$ liters
-
a hot - air balloon is flying at an altitude of 150 feet (ft). when the…
input (x - value): number of minutes output (y - value): altitude of the balloon
-
question 7 of 10 resisting the temptation to make more purchases than y…
A. live within your means.
-
pairs of markings a set distance apart are made on highways so that pol…
43
-
question 4 of 10 joe want to buy a new phone for $1,000 in one month, b…
D. unrealistic
-
question 3 of 10 a higher cost of living in your state means you will p…
B. housing, goods, and services
-
the english bill of rights impact of the english bill of rights how did…
B. It granted individuals the means to defend themselves.
-
pairs of markings a set distance apart are made on highways so that pol…
49
-
suppose that x and y vary inversely and x = 1 when y = 9. write a funct…
\( 0.45 \)
-
suppose that x and y vary inversely and x = 1 when y = 9. write a funct…
\( \frac{9}{x} \)
-
is the relationship between the values in the table to the right a dire…
The relationship is neither. For the equation, the correct answer is D. The data represent neither direct variation nor inverse variation.
-
is the relationship between the values in the table to the right a dire…
Neither
-
for an inverse variation, write an equation that gives the value of k i…
\( k = xy \)
-
x | y 0 | 0 -2 | 15 1 | 5 19 | -3 6 | -1 7 | 2 is this relation a funct…
yes
-
belinda baked 9 pies that weigh 20\\frac{1}{4} pounds. how much does ea…
Each pie weighs \(2\frac{1}{4}\) pounds (or \(\frac{9}{4}\) pounds).
-
s varies inversely as g. if s is 4 when g is 3.0, find s when g is 6. a…
B. \( S = \frac{k}{G} \) ### Part (b)
-
s varies inversely as g. if s is 4 when g is 3.0, find s when g is 6. a…
B. \( S = \frac{k}{G} \) ### Part b)
-
s varies inversely as g. if s is 4 when g is 3.0, find s when g is 6. a…
B. \( S=\frac{k}{G} \) ### Part (a) (Variation Equation)
-
91 is 10% of what number?
910
-
determine if the variation is of the form $y = kx$ or $y = \\frac{k}{x}…
A. \( y=\frac{k}{x} \) with \( k = 4 \)
-
determine if the variation is of the form $y = kx$ or $y = \\frac{k}{x}…
A. \( y=\frac{k}{x} \) (with \( k = 4 \))
-
14 customers entered a store over the course of 7 minutes. at what rate…
2 customers per minute
-
valeries and marcos families compare their rates of travel on a trip. v…
- Valerie's family: Line with slope \( 47.5 \) (less steep). - Marco's family: Line with slope \( 55 \) (steeper). Reason: Slope represents rate, and Marco's rate (\( 55 \)) is hi…
-
ada is filling a bucket with water. the graph shows the relationship be…
- The bucket fills at a rate of 2 liters per minute. - The bucket starts with 10 liters of water. - The relationship is linear.
-
8. which has a quotient of 0.6? a 0.204 ÷ 0.034 b 0.204 ÷ 0.34 c 2.04 ÷…
B. \(0.204\div0.34\) ### Question 9 #### Part A
-
topic 8: working with functions and equations lesson 2: homework notes …
### Table a: - Is it a function? $\boldsymbol{\text{Function}}$ - Function rule or explanation: \(y=-4x\) (each \(x\) has one \(y\), and the relationship is linear with slope - 4 …
-
my deepest gratitude to all of you for listening and letting me share m…
B. to explain why she disagrees with it
-
8. which has a quotient of 0.6? a 0.204 ÷ 0.034 b 0.204 ÷ 0.34 c 2.04 ÷…
B. \(0.204 \div 0.34\) ### Question 9 #### Part A
-
a team from the department of public works is painting lines on the fre…
r is the independent variable and h is the dependent variable
-
3. read the excerpt from paragraph 2: i mean, cant she see what kind of…
B. joy
-
Question was provided via image upload.
### Part a Table: | Time in weeks | Savings | |---------------|---------| | 0 | 200 | | 1 | 320 | | 2 | 440 | | 3 | 560 | | 4 | 680 | | 5 | 800 | | 6 | 920 | (Graph: Plot points \…
-
input output -10 -8 3 -2 save answer
For input -10, output is 3; for input -2, output is 3. So the filled table would be: | input | output | |-------|--------| | -10 | 3 | | -8 | 3 | | -2 | 3 |
-
24. las 2/5 partes de un batallón militarizado muere en la guerra civil…
1140
-
ivanna’s vegetable garden has an area of 400 ft². it is the shape of a …
s: (a) New length: \( 80 \) ft, New width: \( 20 \) ft, New area: \( 1600 \) \( \text{ft}^2 \) (b) \( 4 \) (c) \( 7 \)
-
question #8 determine the pearson correlation coefficient for n = 9 and…
\( 0.798 \) (corresponding to the option with \( 0.798 \))
-
question #7 determine the pearson correlation coefficient for n = 59 an…
\( 0.330 \) (corresponding to the option with \( 0.330 \))
-
question #5 when running a regression consisting of 20 data points, the…
Yes, because.811 >.561.
-
determine the pearson correlation coefficient for n = 20 and α = 0.05. …
\( 0.444 \)
-
question #2 use the given data set to determine the correlation coeffic…
\( 0.997 \) (corresponding to the option with.997)
-
69. two ships carried 20 passengers each on a deep - sea fishing trip. …
# Explanation: ## Step1: Calcular IQR para Ship A La mediana (Q2) de 20 datos está entre el 10º y 11º valor. Primero, contar los "x": - Ship A: Posiciones: 1(1), 2(4), 3(5), 4(3),…
-
68. ms. macias wants to provide folders and notebooks for her class to …
A. \( f + n = 9 \) D. \( 20f + 35n = 255 \) ### Question 69 (Resumen de análisis, ya que se necesita detalle de los gráficos, pero se asume la lógica de IQR y mediana):
-
maria drove to the store, did some shopping, and then came home. during…
C. at 0 hours and 2 hours
-
question #1 when running a regression consisting of 25 data points, the…
A. No, because.471 <.505.
-
5) the weather forecast shows a 45% chance of rain. if it does not rain…
The probability of going to the beach is \(49.5\%\) (or \(0.495\)).
-
derek reads at a rate of 25 words per min. how long would it take him t…
B. 9 minutes
-
question 21 · 1 point gold coins are commodity money because select the…
B. they have an intrinsic value as precious metal in addition to being valuable as money ### Question 22
-
match each of the scatter plots shown below with the type of function m…
- **Linear Model**: El diagrama de dispersión de abajo (tercero) - **Quadratic Model**: El diagrama de dispersión de arriba (primer) - **Exponential Model**: El diagrama de disper…
-
roadway company purchases inventory from fedway company with the shippi…
A. Fedway Company will count the inventory as an asset until Roadway receives the goods.
-
a company that makes hair - care products had 7,000 people try a new sh…
\(0.7\)
-
what does it mean for a function to exhibit exponential decay? a quanti…
A. A quantity decreases by a consistent percentage over equal time intervals, resulting in a rapid decrease.
-
1. \the thing is, you can scrub walter cunningham till he shines, you c…
B. She believes the Finches have a higher social status than the Cunninghams and are therefore better than them. ### Question 2
-
1. \the thing is, you can scrub walter cunningham till he shines, you c…
B. She believes the Finches have a higher social status than the Cunninghams and are therefore better than them. ### Question 2
-
1. \the thing is, you can scrub walter cunningham till he shines, you c…
B. She believes the Finches have a higher social status than the Cunninghams and are therefore better than them. ### Question 2
-
estimate the product by rounding each number. 27.7 × 2.8 99 900 9
99
-
3. the scatterplot and table show the season number of several televisi…
The linear function that best models the relationship is \(y = - 6.91x+65.07\) (the values of \(m\) and \(b\) are rounded to the nearest hundredth)
-
question 1 1 pts write the decimal as a fraction or mixed number in sim…
\(\boldsymbol{\frac{241}{250}}\) (corresponding to the option \(\frac{241}{250}\))
-
classify each as nominal - level, ordinal - level, interval - level, or…
B. Nominal
-
how do you write an equation for exponential growth? y = a(1 + r)^t, wh…
The correct equation for exponential growth is the first option: \( y = a(1 + r)^t \), where \( a \) is the initial amount, \( r \) is the growth rate, and \( t \) is time.
-
what is the significance of the constant a in an exponential function? …
It represents the initial value or starting amount before any growth or decay occurs.
-
find the mean, variance, and standard deviation for the data set 8 14 1…
\(11\)
-
what does it mean for a function to exhibit exponential growth? exponen…
The correct option (assuming the second option is, for example, labeled as B, but based on the text): "Exponential growth occurs when a quantity increases by a consistent percenta…
-
find the mean, variance, and standard deviation for the data set. 7, 15…
\(4.38\)
-
1. \the thing is, you can scrub walter cunningham till he shines, you c…
B. She believes the Finches have a higher social status than the Cunninghams and are therefore better than them. ### Question 2
-
they provide insight into a characters true feelings and thoughts, ofte…
D. They provide insight into a character's true feelings and thoughts, often contrasting with their spoken dialogue.
-
problem 11 in aesops fable \the crow and the pitcher\, a thirsty crow d…
\( y = 8x+60 \)
-
which sets contain one or more outliers? check all that apply. □ 187, 2…
- 187, 298, 239, 1, 984, 202, 191 - 56, 1, 5, 72, 67, 59, 74, 60 - 88, 7, 32, 31, 34, 39, 34, 35, 33 (These sets contain outliers based on the IQR method.)
-
how can you identify exponential decay on a graph? a curve that oscilla…
A curve that falls steeply as x increases, indicating rapid decrease.
-
topic of currents to seek anothers profit, and work anothers gain. take…
D. Kipling sees imperialism as working for the benefit of others.
-
representing data some of mrs. turay’s eighth graders took the psat tes…
The mean test score total is \(74\). The median test score total is \(70\). Which measure of center best represents the test data? median
-
find the mean, variance, and standard deviation for the data set. 7, 15…
\( \bar{x} = \boxed{10.00} \)
-
finding the median find the median of each set of data. 12, 8, 6, 4, 10…
For the data set \(12,8,6,4,10,1\), the median is \(7\); for the data set \(6,3,5,11,2,9,5\) (assuming a possible error in my initial analysis, but following the dropdown), if we …
-
pre-reading activity 1: gifts in your life \the gift of the magi\ is a …
Artes - Literatura
-
problems 9–10 in aesop’s fable “the crow and the pitcher,” a thirsty cr…
8
-
calculate the following combinations. $_{n}c_{r} = \\frac{n!}{(n - r)!r…
For \( _5C_2 \), the value is \( 10 \). (If the other was \( _3C_2 \), it's \( 3 \), but based on the combination \( _5C_2 \) calculation, the answer is \( 10 \))
-
find the median of each set of data. 12, 8, 6, 4, 10, 1 6, 3, 5, 11, 2,…
5 (from the dropdown options, the correct one is "5")
-
who walks faster? circle one. william natalia they walk at the same spe…
140