Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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vocabulary federal reserve act nineteenth amendment sixteenth amendment…
| Term | Definition | |------|------------| | Seventeenth Amendment | expanded democracy by taking from state legislatures the power to select each state's U.S. senators and givin…
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by studying the suffix of \fallacy,\ a reader can conclude it means \wi…
"the state of being false."
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question 4 read the excerpt below from \the dictionary of war\ by moumi…
C. Enemies, allies, and strangers all feel the same pain of loss.
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eureka math² new york next gen 4 - m4 ta lesson 4 name date 1. draw a n…
1. **Number Line**: A line from 0 to 1 split into 5 equal parts, with a mark at the 4th part. **Equation**: $\frac{4}{5} = \frac{2}{5} + \frac{2}{5}$ 2. **Area Model**: A circle s…
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c10 binomial theorem & pascals triangle ws#1 name group 3 1. expand $(x…
1. $x^4 + 4x^3y + 6x^2y^2 + 4xy^3 + y^4$ 2. $27x^3 - 54x^2y + 36xy^2 - 8y^3$ 3. $792a^5b^7$ 4. $220a^9b^3$
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of the split stem-and-leaf plot for these data. 20. technology salaries…
| Stem | Leaves | |------|--------| | 2 | 4, 5, 8 | | 3 | 6, 7 | | 4 | 5, 6, 9 | | 5 | 0, 0, 1, 7, 9 | | 6 | 1 | | 7 | 0, 1 | | 9 | 2, 8, 8, 9 | | 10 | 8 | | 11 | 9 | | 12 | 4 | |…
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scores on a standardized test are normally distributed with a mean of 7…
1. Standardized Test Proportions: - Score >87: 0.0228 - Score <63: 0.0228 - Score 69-81: 0.6826 2. IQ Test Boundaries: - 80th percentile: 112.6 - 10th percentile: 80.8 - Middle 60…
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a jeweler put these gemstones out on display today. gemstone quantity r…
Top dropdown: `Ratio` Left bottom dropdown: `3` Right bottom dropdown: `4` The diagram will have two boxes labeled 3 and 4 respectively, representing diamonds to emeralds.
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the table shows the relationship between the number of minutes that a h…
The relationship is multiplicative because the number of gallons can be found by multiplying the number of minutes by 8.
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problem 1 a normal distribution has a mean of 50 and a standard deviati…
--- ## Problem 1 1. $0.8413$ 2. $0.6826$ 3. $68.26\%$ --- ## Problem 2 1. Decimal: $0.8413$, Percentage: $84.13\%$ 2. Decimal: $0.8185$, Percentage: $81.85\%$ 3. Decimal: $0.0228$…
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in this third section, youll use ratios, proportional relationships, me…
1.5 medium zucchini per one cup of grated zucchini
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normal curves question 1 a normal distribution has a mean of 40 and a s…
Question 1: C. 0.6915 Question 2: B. 0.6247 Question 3: B. 68%
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as you eat, you think about how well youve been following the meal plan…
Negative seven-sixteenths, five-eighths, three-fourths
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word: convertdefinition: to change something into a different form, or …
| Category | Content | |----------|---------| | Paraphrase Definition | To alter something’s form or function for new use | | Synonym (What Is It?) | Transform | | Antonym (What I…
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question 7 date: on a standardized test with a normal distribution, the…
Question 7: B. 68.26% Question 8: B. 0.6826
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you return home after finishing your errand at the library and decide t…
Negative nine-sixteenths cup
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now, you find that the fourth shelf of the return cart is divided into …
Five-fourteenths
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vocabulary card word: emergence definition: when something begins to be…
1. Paraphrase Definition: The act of something starting to be recognized or observed 2. Synonym (What Is It?): Appearance 3. Antonym (What Is It Not?): Disappearance 4. Other Mean…
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next, you find that the second shelf of the return cart is divided into…
Seven-ninths
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question 4 test scores are normally distributed with a mean of 100 and …
Question 4: B. 2.28% Question 5: B. 2.28% Question 6: B. 4.6%
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assignment: capstone in this second section, youll compare and use oper…
$\frac{3}{5}$
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a pet store has 7 cats. here are their weights (in pounds). 9, 5, 16, 9…
10.3 pounds
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the flight times, in hours, for six flights between two locations are g…
6.3 hrs
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today, you ran errands, leaving home to go to the store, the post offic…
22 miles
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in this first section, youll use operations with whole numbers and deci…
23 miles per gallon, 26 miles per gallon, 28 miles per gallon
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progress: 0/3 part 1 of 3 keikos sample: 7, 14, 6, 5, 10 chriss sample:…
5
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correct answer:the mean price of the phones is $162.progress: 2/3part 3…
36
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correct answer: the mean price of the phones is $189. progress: 1/3 par…
$\$162$
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progress: 0/3 part 1 of 3 the prices of four phones are $142, $176, $24…
$189$
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thats punny! a pun is a figure of speech that plays on words by using w…
a. Derek has photographic memory, but he just hasn't developed it.
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multiple choice question what does \girl math\ mean? a. a type of mathe…
C. A viral trend justifying unnecessary purchases
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question find the numerical value of the log expression. $log a = -8$ $…
$1$
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problem solving 5. vin, corrie, alexa, and joe equally shared one fourt…
Each friend gets $\frac{1}{16}$ of the original sandwich.
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part 1 of 3 six test scores for jonathans history class are listed. fin…
Mean: $75.7\%$ Median: $79.5\%$ The median gives a better overall score for Jonathan's performance, as the low outlier score of 43% distorts the mean.
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six test scores for jonathans history class are listed. find the mean a…
The mean for the six test scores is $75.7\%$. The median for the six test scores is $79.5\%$. The median gives a better overall picture of Jonathan's performance, as the mean is s…
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which piece of text uses this meaning of draft? draft noun an early ver…
Thomas Jefferson wrote the first draft of the Declaration of Independence by hand; it was then edited by Benjamin Franklin, John Adams, and members of Congress.
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which of the following is an example of probability-based inference? a.…
D. Based on 20 lightbulb tests, stating that the expected lifetime of a type of bulb is 800 hours
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which piece of text uses this meaning of certain? certain adjective fre…
"Are you absolutely certain that this is the most direct route to the airport?" Ms. Weber asked the taxi driver. "I'm running a bit late."
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the table shows the number of hamburgers sold from a food truck each da…
57
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1. you expect a certain event to occur 35% of the time. which of the fo…
B. 82 02 57 40 76 64 33 97 64 07 --- ### Second Question (Probability-Based Inference)
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5 pts a series of us supreme court cases, called the ______ cases, dete…
1. O Insular 2. - To help pay off debts from the Crimean War - Fear at the potential of the British conquering Alaska (Canada was still British when this deal was negotiated)
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the table shows the results of a survey about the number of family memb…
6 family members
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the table shows the number of flowers that bloomed in a garden each day…
16
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use poisson distribution to show that $e(x) = \\frac{1}{\\lambda}$ $var…
For a Poisson random variable \(X\): 1. \(E(X) = \lambda\) 2. \(Var(X) = \lambda\)
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the table shows the number of toys donated to a school drive each day. …
9 toys
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data gathering and inferential statistics you want to simulate the asse…
No.
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completing a ratio table find the missing values in the ratio table. th…
### Problem 15 Missing values: Calories = 80, Miles = $\frac{1}{12}$, $\frac{3}{4}$ Equivalent ratios: $20:\frac{1}{6}$, $80:\frac{2}{3}$, $10:\frac{1}{12}$, $90:\frac{3}{4}$ ### …
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use poisson distribution to show that $e(x) = \\frac{1}{\\lambda}$ $var…
For a Poisson random variable \(X\): 1. \(E(X) = \lambda\) 2. \(Var(X) = \lambda\)
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the table shows the number of trees planted by an environmental organiz…
55 trees
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the table shows the results of a survey about the number of calls made …
33 calls
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the total number of centimeters of rainfall for the past 4 years was 65…
91 cm
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what does the underlined word mean in the following sentence? dame la c…
A. folder
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what does the underlined word mean in the following sentence? tienes mu…
A. success
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select the correct answer. the sides of a rectangle are 6.01 meters and…
B. 72 square meters
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question 2 4 pts how did one historian lay the foundation for expansion…
- He claimed that the Civil War had determined the supremacy of industrialization over agriculture, thus expansion at the expense of foreign agricultural societies was the logical…
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select the correct answer. using the rules for significant figures, wha…
C. 493.41
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dana buys a plant. the plant starts out 5 centimeters tall and grows at…
Dana buys a plant. The plant starts out 5 centimeters tall and grows at a rate of 7 centimeters per week.
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mariam is baking cookies. she starts out with 5 cookies already prepare…
Mariam is baking cookies. She starts out with 5 cookies already prepared and bakes 8 cookies per hour.
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who is right? your school newspaper publishes an article that says that…
Your prediction was correct. The simulation results cluster much closer to 40% (10 out of 25 students) rather than the newspaper's 60% (15 out of 25 students).
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fruit punch ingredients chopped watermelon 3 cups sugar 3/4 cup mint le…
10. Ratio: $4:2$ (simplified to $2:1$), value = 2; For every 1 cup of white grape juice, there are 2 cups of club soda. 11. Ratio: $\frac{1}{2}:3$ (simplified to $1:6$), value = $…
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7-70. at digital technical institute, the following data was collected:…
a. Yes, the events are associated. b. Yes, the events are mutually exclusive. The intersection contains 0 outcomes.
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multiple choice question what is the process called by which meaning is…
C. Interpretation
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for a parallel structure of identical components, the system can succee…
It would not be unusual to observe one component fail, since the probability that one component fails, $0.1958$, is greater than 0.05. It would be unusual to observe two component…
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multiple simulations your school newspaper publishes an article that sa…
The 15 means that in that simulation, 15 out of 25 students (60%) said they liked the food, matching the newspaper's result. This shows that even if the true proportion of student…
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name:directions: read the following passage, then answer the questions.…
1. The narrator, who initially thought hosting alligators in their attic was a great idea, quickly finds the experience a frustrating disaster. The alligators did not get the prom…
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multiple choice question tonya notices that her coworker david spends h…
O Interpretation
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multiple choice question when does the process of perception begin? ○ w…
When one or more senses is stimulated.
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select the misplaced or dangling modifier. nervous, the comedian contem…
exhibiting a sense of dread
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7. which ratio can be represented by the tape diagram? a. 3:4 b. 4:5 c.…
D. 8:12
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in the scenarios below, select all scenarios where order matters: □ sel…
- Creating a 4-digit PIN for your debit card. - Selecting a 6-digit lock combination where the digit "0" cannot be used. --- ### Question 2
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multiple choice question what does it mean to engage in selection? ○ to…
To isolate and pay attention to certain stimuli
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multiple choice question which statement most accurately describes the …
A. People subconsciously select, organize, and interpret information to form meaning from the events around them.
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this passage is adapted from an experiment in misery by stephen crane. …
dark.
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the following statements give statistics from a basketball game. which …
A. The Lions had 4 players who scored points. B. The Titans scored 0 points in the first period.
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a set of numbers is shown. place the numbers in order from least to gre…
$\sqrt{5}$, $\sqrt{9}$, $\pi$, $3.2$
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this passage is adapted from an experiment in misery by stephen crane. …
dark.
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8 multiple choice 1 point age (years) town 15 to 18 19 to 25 26 to 34 3…
0.40
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the length of a micrometer is approximately 0.00003937 inch. how is thi…
B. $3.937 \times 10^{-5}$
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place the list of numbers in order from greatest value to least value. …
$\sqrt{24}$, $\frac{39}{8}$, $4.84$
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numeric 1 point x f(x) -4 5 0 13 2 17 the table shows some values of th…
32
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4 multiple choice 1 point at an ice skating rink, $\frac{3}{5}$ of the …
$\frac{1}{25}$ (corresponding to the last option)
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place the list of numbers in order from greatest value to least value. …
$\sqrt{24}$, $\frac{39}{8}$, $4.84$
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9. 60 is 30% of what number?
200
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the number 0.000000675 can be written in scientific notation as $6.75 \…
$-7$
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9. 60 is 30% of what number?
200
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correct? explain. 19. higher order thinking five friends equally shared…
- Each friend got $\frac{1}{10}$ of the first pizza and $\frac{1}{20}$ of the second pizza. - The amount each friend got from the first pizza is twice the amount they got from the…
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enrollment of top online courses: the following frequency distribution …
(b) The relative frequency bar graph should have horizontal bars with lengths corresponding to the relative frequencies calculated in Part (a): Business Management: $0.211$, Perso…
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7. a school has 500 students. if 40% of the students are boys, how many…
200
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4. a recipe calls for 2 cups of sugar to make 24 cookies. what is the p…
Approximately 8.33% of a cup of sugar is needed per cookie.
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north shore kayak and south shore kayak each charge a flat fee plus an …
The companies cost the same when renting a kayak for 1 hour
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express the following probability as a simplified fraction and as a dec…
$P(\text{not divorced}) = \frac{39}{44}$ $P(\text{not divorced}) \approx 0.89$
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which group of sentences best uses a variety of sentence patterns to co…
He jumped at the sudden noise, but no one was behind him. So he kept walking, glancing back over his shoulder to make sure he was alone.
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which group of sentences best uses a variety of sentence patterns to co…
He jumped at the sudden noise, but no one was behind him. So he kept walking, glancing back over his shoulder to make sure he was alone.
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the table shows the educational attainment of a population, expressed i…
The odds, in most reduced form, in favor of selecting a member of the population with four years (or more) of college are $\boldsymbol{41:131}$ The odds, in most reduced form, aga…
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2. a bedroom (14 ft by 12 ft) and hallway (8 ft by 3 ft) are getting ne…
$\$1190.40$
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#8 - distance, speed, and timeredit%complete: 7%tance-speed-time l1al d…
60 feet per minute
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you randomly select one card from a 52-card deck. find the probability …
$\frac{1}{13}$
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the ordered pairs below give the number of tourists (in millions) that …
(a) $y = 1.44t + 35.01$ (b) The model is a good fit to the actual data.
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deltamath ← back to home nti day #8 - distance, speed, and time no late…
5 minutes
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deltamath ← back to home nti day #8 - distance, speed, and time no late…
5 minutes