Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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kala drove 737 miles in 11 hours. at the same rate, how long would it t…
5
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what quantity of honey would you need to make a half recipe? barbecue s…
$\frac{1}{8}$
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problems 1 - 2: when deven makes chocolate milk, he mixes 2 cups of mil…
1. Yes, it is proportional. All $\frac{\text{tablespoons of syrup}}{\text{cups of milk}}$ ratios equal $\frac{3}{5}$, and (0,0) is included, so the relationship is proportional. 2…
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listed is a series of experiments and associated random variables. in e…
s: (a) Values: 0, 1, 2, ..., 20; Type: discrete (b) Values: 0, 1, 2, ...; Type: discrete (c) Values: 0, 1, 2, ..., 50; Type: discrete (d) Values: \( 0\leq x\leq9 \); Type: continu…
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4) answer the questions below based on the graph. a) what is the consta…
a) 46 b) $y = 46x$ (where $y$ is distance in miles, $x$ is time in hours) c) 828 miles For the inequality $-5x + 10 < -20$: Solution: $x > 6$ Graph description: Draw a number line…
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9. an experiment has three steps with six outcomes possible for the fir…
\(192\) ### Question 10
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what percentage of the shape is pink? write your answer using a percent…
64%
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5. convert each decimal to a fraction in simplest form. 0.9 = 0.45 = 6.…
\( \frac{9}{10} \) #### For \( 0.45 \):
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6. - / 1 points evaluate the combination. c(8,8) 7. - / 1 points in how…
\( 1 \) ### Question 7
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ccss 6th grade math review 10b 1. 0.16 • 0.09 = 2. \\(\\sqrt7{39.2}\\) …
\( 0.0144 \) ### Problem 2: \( \begin{array}{r}7\enclose{longdiv}{39.2}\end{array} \)
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question 15 what is the meaning of the phrase \win - win\ in paragraph …
D. helping everyone who is involved
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what percentage of the shape is green? write your answer using a percen…
78%
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2. - / 1 points evaluate the permutation. \\( _7p_4 \\) 3. - / 1 points…
\( 840 \) ### Problem 3: Evaluate \( P(8,8) \)
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6 the table shows a linear pattern. a) predict the value of term 31. ea…
### Part a) Each term is $\boldsymbol{0.2}$ less than the previous term. $31 - 1 = \boldsymbol{30}$ $\boldsymbol{30} \times \boldsymbol{0.2} = \boldsymbol{6}$ $48.4 - \boldsymbol{…
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9. here is a graph of han’s distance from home as he goes home from a s…
- **y-intercept**: $(0, 10)$: When Han begins traveling from the store (at 0 minutes), he is 10 miles from home. - **x-intercept**: $(10, 0)$: After 10 minutes of traveling, Han a…
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michael asked his friends how many hours they watched tv this weekend. …
The least number of hours a student spent watching TV is \(\boldsymbol{2}\) hours. The most number of hours a student spent watching TV is \(\boldsymbol{8}\) hours. \(\boldsymbol{…
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practice: finding the whole (decimal method or fraction method) ** for …
80
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question 13 what is the meaning of \supplement\ in paragraph 3? a. cont…
C. increase
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which quote from the story best supports the idea that john learns to b…
The quote "I was building the habit of getting things done." best supports the idea that John learns to be more responsible by taking care of Rex.
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michael asked his friends how many hours they watched tv this weekend. …
2 ### Second Question: Most hours
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welcome to the game show, \which is greater?\ choose the card that show…
The first card (the one with 3 shaded parts out of 4) shows the greater value.
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violet creates two spinners for a game. each spinner is spun once, and …
# Explanation: ## Step1: Calculate total frequency First, we find the total number of trials (sum of frequencies). The frequencies are \(1, 2, 3, 4, 3, 2\). So total frequency \(n…
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the data set represents the total number of people who bought bananas e…
To determine the correct box - plot, we analyze the five - number summary (min = 1, Q1 = 3, median = 7, Q3 = 9, max = 12). The box - plot with a box from 3 to 9, a median line at …
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you pick a card at random. what is p(2)? write your answer as a fractio…
\(\frac{1}{4}\)
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shawn fired 1,000 bowls, and 980 of the bowls did not break. shawn want…
20 bowls
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the data table contains a portion of data points from a function for av…
### Part (a) - Independent variable: Time (days of the year) - Dependent variable: Average daily high temperature - Domain: The set of days in a year, typically \([1, 365]\) (days…
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suppose that the weight (in pounds) of an airplane is a linear function…
\(2964.25\)
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select the correct answer. sarah wants to print copies of her artwork. …
A. \(\frac{1}{5}\)
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the radius and circumference of several objects were measured. radius a…
It is a strong positive correlation, and it is likely causal. (Note: Assuming the third option (not fully shown but from analysis) is "It is a strong positive correlation, and it …
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a freight train is carrying goods across the country. the number of gal…
\(\frac{1}{12}\) ### Part (b)
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1. grace makes approximately 50% of the free throws she attempts. last …
14
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r added 7/10 of a cup of yellow raisins and 6 3/5 cups of black rai how…
\( 7\frac{3}{10} \)
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grace rakes leaves every day for one week. she fills the same number of…
B. Number of bags filled each weekday
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3 multiple choice 5 points what does the word \canon\ mean and how does…
3. An official list of documents that a religious community accepts as authoritative and binding. 4. Biblia
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review the sixth and seventh paragraphs. claims about cocoa 1 chocolate…
A. They both show why it's hard to prove the health benefits of chocolate.
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assessment questions 1... 6 7 8 9 10 11 12... 27 8 out of 27 answered q…
A. The clay is upset with its maker at first, but later becomes thankful.
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7. give a value for r that would indicate that a line of best fit has a…
7. $r = 0.85$ (any value between 0.7 and 1 is acceptable) 8. As district size increases, the number of parks tends to increase, but the trend is not strong, with many data points …
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day 7 data analysis/critic compare the two sets of data. for each, exam…
Homeroom A has a mean of approximately 6.14 and a median of 5.5. Homeroom B has a mean of approximately 7.07 and a median of 7.5. Both data sets have a range of 15 (from 0 to 15 b…
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23. what type of correlation is represented in the graph.
Negative correlation
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question 9 1 pts a stress researcher believes that people with high - s…
D. No, by not rejecting the null hypothesis, there is not enough evidence to suggest they sleep less. (assuming the options are labeled A, B, C, D in order) ### Question 10
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16. determine whether each graphs domain is discrete or continuous.
- First (left) graph: Discrete domain. - Second (right) graph: Continuous domain.
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question 5 1 pts for an upper - tailed hypothesis test, you want to be …
p - value = 0.0336 > 0.02, so do not reject $H_0$ ### Question 6
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studies weekly unit 7 lesson 1.1 name: answer the following questions b…
1. Page 1; it is not a single location, but a region of 21 diverse countries and territories across three subregions (Central America, South America, the Caribbean) with wide-rang…
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3. function f models the population, in thousands, of a city t years af…
No, this value is not a good way to describe the population change. The average rate of change only represents the overall total population increase divided by the 70-year span, b…
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short answer questions answer the following short answer questions abou…
Decomposition is applied by breaking a large problem (e.g., planning a wedding) into smaller tasks: venue selection (research, compare, book), catering (cuisine choice, find cater…
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question 3 1 pts for the hypothesis test \\(\\begin{aligned}h_0&:\\mu =…
0.0456 ### Question 4
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1. $s = 600\\,\\text{m} / 15\\,\\text{s}$\ \\underline{40m/s} \ 2. $s =…
The jogger's speed is \( 3\space m/s \). ### Question 11
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20 janice made a cake for her nephews birthday. it measures 9 inches by…
A. 576 square inches ### Question 21
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2. a study was conducted to analyze the effects on deer population in a…
A. $b > 1$ C. The average rate of change from year 0 to year 5 is less than the average rate of change from year 10 to year 15. E. $a > 0$
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kyle liked lucy more than any other girl in the school, but he had an o…
One possible theme is that people (especially children) may express their feelings in inappropriate ways, and misunderstandings can arise from misinterpreting others' actions (or …
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24. $\frac{6}{12} div \frac{2}{6} = \frac{6}{12} div \frac{}{12}$ 25. $…
$\frac{8}{7}$ (or $1\frac{1}{7}$)
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（部分题目） $\frac{9}{14} + \frac{3}{14}$ $\frac{9}{14} + \frac{1}{4} = \fra…
$\frac{8}{15}$
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note: the quizzes make use of the standard normal table and t - table w…
A. \( H_{a}:\mu eq9 \), and it is a two - tailed test ### Question 2
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find the first four terms of the sequence given the rule: $a_{n} = 4 \\…
4, 20, 100, 500
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upon the whole, therefore, it is the judgment of this court, that it ap…
O Because Dred Scott was not a citizen, no court could hear his case.
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column a 1. ____ i have taken classes in childcare and first aid. i kno…
1. c. I will be a great babysitter. 2. b. I will be a great mayor. 3. a. Wild animals should not be kept in zoos.
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question 9 1 pts given the following information: \\( \\mu = 50, \\sigm…
0.3446 (corresponding to the option with 0.3446) ### Question 10
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question 7 1 pts when the value of a is reduced, it becomes easier to r…
it becomes more difficult to reject the null hypothesis ### Question 8
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which point of view does the narrator use in the passage? kira - kira m…
first person
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5. roughly 75% of students take the bus to school. if you were to ask 9…
92.5%
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daily common core ela practice grade 5 day 1 something stirred in the n…
c. Madeleine was not afraid. ### Question 2
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the data table contains a portion of data points from a function for av…
### Part (a) #### Explanation: - **Independent Variable**: In a function, the independent variable is the one that is manipulated or is the input. Here, the dates (time, specifica…
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2. a local bakery sells the freshest bread in town. in fact, 65% of cus…
88.3%
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1. a baseball player strikes out 45% of the time.. what is the probabil…
16.6% (Option C)
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what does the word chronic mean? happening in an official or formal way…
happening frequently or for a long duration
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what does the word repulsive mean? expecting a reward for good or gener…
causing others to move or stay away
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6-1 exercises guided practice see example 1 write each decimal as a per…
1. 60% 2. 32% 3. 54.4% 4. 6% 5. 0.7% --- #### See Example 2
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what does the word adjunct mean? something that has harmful effects som…
something that is added to another thing
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question 1 the rodriguez family is taking a road trip. the distance the…
This scenario represents a continuous function. The input variable $x$ (hours driving) can take any non-negative real number value (including fractions of an hour), and the output…
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15. demarco raises chickens. he tracks the number of eggs his chickens …
### Part a: Arrow Diagram (Relations) To create an arrow diagram for the relation between weeks (input) and eggs (output), we list the weeks (1, 2, 3, 4, 5, 6) and their correspon…
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what does the word egregious mean? manufactured quickly and at a low pr…
standing out from the rest in a particularly bad way
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what does the word rebellion mean? the act of working together to achie…
the act of rising up in armed opposition to the government
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what does the word benefactor mean? a person who is disloyal and cannot…
a person who helps others by contributing money or aid
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what does the word indictment mean? a formal accusation charging someon…
a formal accusation charging someone of a crime
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find the equation that represents the proportional relationship in this…
\( y = 3x \)
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practice and problem solving compare. write <, >, or =. 36. 9% □ 0.9 37…
$<$ --- ### Exercice 37
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what does the word facile mean? showing respect for others rights easil…
easy to accomplish or perform
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17. higher order thinking on a recent test, students had to determine w…
Bobby most likely made the error of incorrectly drawing the arrow diagram to show a domain element (input) mapping to more than one range element (output), violating the definitio…
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find the equation that represents the proportional relationship in this…
\( y = \frac{5}{4}x \) (or \( y = 1.25x \))
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what does the word precedent mean? a decision that is good or helpful a…
a decision that guides future decisions
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what does the word credential mean? a document used as part of a legal …
a document proving a person's identity or ability
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what does the word dispensary mean? a place where medical practitioners…
a place where medicine is prepared and sold
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what does the word malignant mean? causing harm or suffering escaping t…
causing harm or suffering
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what does the word jurisprudence mean? the study of human behavior and …
the study of legal principles
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what does the word anachronism mean? something that is morally prohibit…
something that appears in the incorrect historical period
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6. a basketball team had 25 home games this season. of these tickets we…
1. Problem 6: Fraction = $\frac{3}{5}$, Decimal = $0.6$ 2. Problem 7: Fraction = $\frac{19}{100}$, Decimal = $0.19$ 3. Problem 8: Fraction = $\frac{497}{500}$, Decimal = $0.994$
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write the correct symbol $(-, div)$ or number in each box to complete t…
The first box: $\div$, the second box: $4$, the third box: $3$, the last box: $80$. So the completed equation is $60\div\frac{3}{4}=60\times\frac{4}{3}=80$ orders.
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which inequality models this problem? sam wants to be named the greates…
$\boldsymbol{\frac{h+108}{6} \geq 22}$ (the fourth option)
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what does the word incredulous mean? unwilling to accept something as t…
unwilling to accept something as true
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what does the word conjunct mean? given out united pulled apart
united
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58 randomly selected students were asked the number of pairs of shoes t…
3.38
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14. analyze and persevere estefania has tracked the number of students …
Yes, the relation is a function. By the definition of a function, a relation is a function if every input (grade, in this case) has exactly one output (number of students). Here, …
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the average cost per person of attending an online class depends on the…
The table with \( x \) values 10, 6.25, 4 and \( f^{-1}(x) \) values 20, 26, 35 (the fourth table option as per the image layout, with \( x \) column: 10, 6.25, 4 and \( f^{-1}(x)…
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c. write pairs of sentences that show two different meanings for each h…
### For "school": 1. **Sentence 1 (Educational institution meaning):** I go to school every morning to learn new things. 2. **Sentence 2 (Group of fish meaning):** A large school …
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1. (texto parcialmente visible) resuelve usando modelos de área. 2. una…
1. Hay $\boldsymbol{2925}$ libros en la biblioteca. 2. Denise vende $\boldsymbol{1638}$ fresas en total. 3. Le responderías que en 15 días logra hacer 1275 firmas, lo que es mucho…
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learning goal: to be able to gain many different types of information f…
A. A, E. E
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score on last try: 0 of 3 pts. see details for more. at least one score…
Sample Mean = $31.15$ Sample Standard Deviation = $12.77$ (approx to two decimal places) Population Standard Deviation = $11.94$
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e. $(103.05 + 16.9)/(11.13 - 2.6) = \\underline{\\quad\\quad\\quad\\qua…
E. $14.1$ (rounded to 3 sig figs) A) $2.5$ hours B) $750$ mL C) $7530$ mg D) $0.772$ kg E) $4.20$ m F) $8.4$ μL G) $0.00955$ km H) $520,000$ cm I) $8$ mL Exit Ticket: 1) The final…
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6. the owners of a road - side ice cream stand want to know which flavo…
C. The data from combining both the Wednesday’s and Friday’s samples.
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b. write the homograph for each pair of meanings below. the first lette…
snap ### 2.