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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the kicking cacti and the sprinting stingrays met in their towns annual…
$3\frac{2}{3}$ (or $\frac{11}{3}$)
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solución gráfica de ecuaciones cuadráticas - actividad puedes resolver …
Las soluciones de \(4(2x - 1)^2 - 16 = 0\) son \(x = -0.5\) y \(x = 1.5\) (o los puntos \((-0.5, 0)\) y \((1.5, 0)\) en la gráfica).
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gordon went blueberry picking along a 3-mile walking path. he picked bl…
$16\frac{2}{3}$
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cu 3-140. (from lesson 2.2.4) andy likes to make candy sandwiches, wher…
\( 3:2 \) ### Part (b)
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17. ratios: \\(\\frac{4}{1} = \\frac{2}{1} = \\frac{2}{2}\\)
The ratios $\frac{4}{1}$, $\frac{2}{1}$, and $\frac{2}{2}$ are not equal ( $\frac{4}{1} = 4$, $\frac{2}{1}=2$, $\frac{2}{2}=1$). If there was a typo, for example, if the first fra…
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score on last try: 0 of 1 pts. see details for more. at least one score…
# Explanation: ## Step1: Exponential Regression We use the formula for exponential regression \( y = ab^x \). Taking the natural logarithm of both sides, we get \( \ln(y) = \ln(a)…
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6. ratios: \\frac{2}{1}=\\frac{4}{1}=\\frac{8}{3}
The given equation $\frac{2}{1}=\frac{4}{1}=\frac{8}{3}$ is incorrect. If we assume a typo and the last fraction is $\frac{8}{4}$, then the equivalent ratios are $\frac{2}{1}=\fra…
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comic books sidney is selling his comic book collection on the internet…
To solve this problem, we assume the scatter plot has points (for example, let's assume two points from the scatter plot: (0, 120) and (4, 60) as a common scenario for such proble…
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1. in a community 70% of households have kids. of the households with k…
\( 0.42 \) #### Part (b)
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question 3 | take another look: solve using the distribution property t…
\(2w + 4 = 2-\frac{7}{10}w\)
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13a) mrs. evans is taking 9 students to an amusement park. mr. sanchez …
D) \(9(2x + 3.00) = 14(x + 4.50)\) ### 13B)
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a cyclist chooses a bike at a bike - sharing station. bike boom the mor…
A. Biking instead of driving in cities helps people and our planet.
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question 9 of 10 read these lines from komunyakaa’s “facing it”: ... no…
A. His reflection seems to be a part of the war memorial wall.
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read the paragraph. the armchair, a focal point of the room, had lost i…
B. main
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read the paragraph. her thoughts meandered along the roads of her youth…
B. wandered
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you must put each function in desmos to look at the graph direct variat…
\( y = 3x \) (la segunda opción)
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the data points show the area y (in square kilometers) that a certain f…
Figure 1 ### Part (b)
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which scenario depicts two independent events? the school play opens to…
The scenario "The school play opens tonight and it is raining" depicts two independent events.
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a bag contains eleven equally sized marbles, which are numbered. what i…
\(\frac{6}{11}\) (the last option, e.g., D. \(\frac{6}{11}\) if options are labeled, but here the option is \(\frac{6}{11}\))
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question 3 estimate the sum of when rounding to the nearest whole numbe…
About 5 (the option "About 5")
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the normal price of a pair of shoes is $32 and you have a coupon for 25…
You will save $8.
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which of the following best describes the relationship between flight l…
d. The scatterplot has a curved shape and shows a negative relationship between flight length and speed.
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ding initial value using a table the table to the right displays the we…
6 pounds
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question 16 of 20 which visual aid would best support the following cla…
D. A line graph that shows the number of Americans who designated their mobile phone as their primary home phone from the years 2004 through 2014.
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read this excerpt from a raisin in the sun mama. you making something i…
C. One should never sacrifice one’s dignity; to meet society’s expectations, one must give up one’s individuality.
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question 12 of 20 suppose you are writing a report that compares the av…
C. Line graph
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the quotient property of radicals requires the indices of the radicals …
No. Use rational exponents: \(\frac{\sqrt[4]{y^{2}}}{\sqrt{y}}=\frac{y^{\frac{2}{4}}}{y^{\frac{1}{2}}}=y^{\frac{2}{4}-\frac{1}{2}} = y^{0}=1=\sqrt[4]{1}\) (or any index).
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myles is tracking the growth of his palm tree. it was 62 inches when he…
- What does the initial value represent? The height of the tree when Myles bought it (or the tree's height at 0 years). - What is the input for the initial value? 0 (number of yea…
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14. the correlation coefficients calculated from the data sets used to …
For scatterplot b (the one with positive linear trend), the correlation coefficient is 0.80. (If the question is about a specific plot, but based on the image, scatterplot b has a…
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(from unit 4, lesson 2) 15. data for average temperature and the number…
a. There is a strong, positive relationship.
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select three true statements about this graph. a it is proportional bec…
A. It is proportional because when the x values go up by 1, the y values go up by 1.99. C. The point (1, 1.99) shows the price per carton. E. The point (3, 5.97) shows that the pr…
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1. balloons salina is having a surprise party for her friend ernie. the…
s: a. Scatter plot with points \((10,3)\), \((20,12)\), \((30,15)\), \((40,16)\), \((50,21)\) and a line of best fit with positive slope (equation approx \(y = 0.45x-1.5\)) showin…
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11. mike earned the amounts listed in the table below. | hours worked (…
\(E = 11.5h\) (or \(E=\frac{23}{2}h\))
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16. what does point b represent?
Point B represents that when there are 24 web visits, the number of downloads is 8.
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you are at a boat dealership and you want to compare the prices of four…
Update the `set` blocks as follows: - `set boat1 to` \(2.35 \times \text{pow}(10, 3)\) - `set boat2 to` \(1.2 \times \text{pow}(10, 5)\) - `set boat3 to` \(3 \times \text{pow}(10,…
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find the constant of proportionality. goat distance traveled (ft) | ela…
3
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8. © assessment an old building has 48 big windows. the building has 12…
A. 51
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test yourself! practice tool tanya is having a bake sale and must bake …
Slope: 24, Y - intercept: 36
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12. relationship a is defined by the equation: y=5x some values of rela…
0.9
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1 select the correct answer from each drop - down menu. elwood invested…
a faster rate per year than
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e ownership comparison of monthly costs for four apartments the table s…
Apartment A
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2. a bag contains 21 red marbles and 4 blue marbles. two marbles will b…
\(\frac{1}{8}\) ### Problem 2b
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2. create a timeline with the eight events you listed above. 3. which f…
(Example, fill in based on your events/lesson): 1. The frame with the most events is "Industrialization Expansion". 2. Yes, it is the most important. Evidence: (1) The lesson stat…
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topic 11: population growth 23. the population of duck county for a few…
### Part a: Check for Exponential (Common Ratio) and Linear (Common Difference) Growth #### Exponential Growth (Common Ratio) To check for exponential growth, we calculate the rat…
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select the word or phrase that is redundant and can be removed without …
about her life
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select the word or phrase that is redundant and can be removed without …
still
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select the word or phrase that is redundant and can be removed without …
celebratory
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credits needed to graduate the input, or dependent variable, is courses…
B. The output, or dependent variable, is credits needed to graduate. (Assuming the options are labeled as A, B, C, D with this option as B)
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2.) the equation $p = 1,800 \\cdot 0.97^t$ gives the expected populatio…
For the first sub - question: C. Bird species population now For the second sub - question: A. Decay Factor
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select the word or phrase that is redundant and can be removed without …
The redundant word or phrase is "about" (or "approximately"—either can be removed as they are redundant). If we have to choose, "approximately" (or "about") is redundant. So the a…
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type the correct answer in each box. use numbers instead of words. a cl…
Together the students recycled 600 bottles. Each student recycled 20 bottles.
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select the word or phrase that is redundant and can be removed without …
on all sides
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the box plot below represents some data set. what percentage of the dat…
# Explanation: ## Step1: Recall Box Plot Percentiles In a box plot, the box represents the interquartile range (IQR), containing 50% of the data (from the 25th to 75th percentile)…
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select the word or phrase that is redundant and can be removed without …
truthful (or honest, but in the given sentence, "truthful" is the redundant one that can be removed as "honest" already conveys a similar meaning of being sincere about the accoun…
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jake likes to put strawberry preserves on his toast for breakfast, whil…
jam
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type the correct answer in the box. use numbers instead of words. marge…
26
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the table of values below shows data for a five-word spelling test. num…
From the origin, go 9 units to the right and 12 units up.
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una feria cobra una cuota de admisión de 2 dólares por cada persona. se…
La ecuación es \( C = 2P \)
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are not multiples of each other. for each set of commands, help chip fi…
3, 4
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first, choose a common denominator for \\(\\frac{1}{3}\\) and \\(\\frac…
$\frac{11}{24}$
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after leaving the movie theater, danielle said the movie was long and d…
Lacking interest or excitement
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question 9 of 25 which correlation coefficient indicates a strong posit…
C. \( r = +0.9 \)
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the box plot below represents some data set. what percentage of the dat…
# Explanation: ## Step1: Recall Box Plot Percentiles A box plot divides data into quartiles: the box spans the interquartile range (IQR), containing 50% of data (25th to 75th perc…
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the box plot below represents some data set. what is the interquartile …
50
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the box plot below represents some data set. what is the interquartile …
6
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the table shows the conversion of several amounts of liters to liquid p…
\( y = 2.11x \) (the third option)
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how do third - party candidates usually impact presidential elections i…
D. They often influence the outcome of elections by splitting votes from the major parties.
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the box plot below represents some data set. what is the value of the m…
60
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read the situations and decide if each is best modeled by exponential g…
- A pool is drained at a constant rate of 30 gallons per hour: Neither - The value of a motorcycle loses 13% of its value each year: Exponential Decay - The number of students sic…
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due no due date points 24 submitting an external tool attempts 0 allowe…
364,485,444 (the last option, D. 364,485,444 assuming the options are labeled A to D as per typical multiple - choice, with D being 364,485,444)
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match the following work activities to the descriptions. note to comple…
1. Move finished goods from one business to another - Intermediaries 2. Develop products from raw goods for distribution - Producers 3. Change raw goods into a more finished form …
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command 1: start at \\(\\frac{1}{5}\\). move \\(\\frac{1}{2}\\) to the …
2, 5
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from defining liberty the world has never had a good definition of the …
4. to formally announce
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chip is a robot that follows commands to move on a number line. this ti…
10
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read the paragraph and dictionary entry. a recent editorial suggested t…
2. No, because people had a negative experience with the candidates.
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from a pair of silk stockings the neighbors sometimes talked of certain…
2. Hindsight
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if the relationships below are given in the form (input, output), which…
C. (a person's height in centimeters, that same person's height in inches)
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1. what manifest and latent functions might exist for a health club? 2.…
- **Manifest Functions**: Provide a space for physical exercise (e.g., using gym equipment, attending fitness classes) to improve members' physical health and fitness levels. - **…
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at the kansas city airport, a group of pilots for skyways and yellow je…
Yellow Jet, going east
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as marcus scanned the jewelry cases, his eyes came to rest on an intric…
4. Yes, because most of the passage gives details about how Marcus admires objects of amazing quality.
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in this passage written in the mid-1800s, the author describes why he l…
3. minimalism
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minnie graphs the temperature over a 24-hour period. which type of grap…
B. a continuous graph
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which number line shows a colored segment with a length of \\(\\frac{1}…
The bottom number line (the third number line, or the one at the bottom)
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a car is traveling at a speed of 40 miles per hour (mph). the cars spee…
-8
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write twelve and four hundred forty - nine thousandths as a decimal num…
\( 12.449 \)
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what is the primary focus of distribution centers in the supply chain? …
D. Managing and Distributing Bulk Quantities (assuming the options are labeled A - D in order, with the last option being D)
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Question was provided via image upload.
B. 84
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16. $y = 8(1 - 0.15)^t$
The function \(y = 8(1 - 0.15)^t\) simplifies to \(y = 8(0.85)^t\), representing an exponential decay function with an initial value of \(8\) and a decay rate of \(15\%\) per unit…
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cherise plays basketball. the list shows the number of points she score…
C. 15
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what are the two main types of distribution channels? direct indirect p…
A. Direct, B. Indirect
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mrs. ramon asked the class to simplify the expression $9.8 \\times 10^6…
C. 6 places to the right
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find the value of t. write your answer as a decimal number. 0.1 t 0.2 t…
0.11
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(a) a botanist at a nursery wants to inspect the health of the plants a…
The botanist assigns each plant a different number. Using a random number table, he draws 60 of those numbers at random. Then, he selects the plants assigned to the drawn numbers.…
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10. your starting annual salary of $35,000 increases by 4% each year. 1…
Since the problem isn't fully stated (it seems like we need to model the growth, maybe find the value after a certain number of years, but the number of years is missing), I'll as…
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if a smartphone app is available on apples app store, what type of dist…
Direct online
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10. your starting annual salary of $35,000 increases by 4% each year. 1…
The function is \( y = 0.1(1.23)^t \) ### Part (b)
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t the value of g. write your answer as a decimal number: 0.0 g 0.10 g =
\( 0.01 \)
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(a) counselors at a college want to poll students about how much time t…
The counselors form 4 groups of students based on the numbers of classes the students are taking. Then, the counselors select 20 students at random from each group. ### Part (b)
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find the value of z. write your answer as a decimal number. 0.2 z = sub…
0.29
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find the value of r. write your answer as a decimal number. 0.2 r 0.3 r…
\(0.28\)