統計と確率
データ分析、確率分布、仮説検定、統計手法。
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bob runs from 4:50 pm until 5:20 pm at a speed of 7km/h. how far did he…
3.5km
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walked slowly along the road, stopped to look at his watch, realized he…
The graph that represents Bob's motion is the fourth graph (with a slow - increasing segment, a flat segment, and then a steeper - increasing segment) as it shows walking (slow in…
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which runner had a head start?
C
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first read: concept vocabulary identify the choice that best answers th…
A. a group of young people fighting and brawling
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virginia farrell (presenting, annotating) = 3.5 = 3.5% = .035 = 1/8 two…
C. 7/200, .035, 3.5%
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❄️ = 3.5 ☕ = 3.5% 🧢 = .035 🐧 = 1/8 two truths & a lie ✅✅❌ tuesday fra…
C. $\boldsymbol{\frac{7}{200}}$, $\boldsymbol{0.035}$ (hat), $\boldsymbol{3.5\%}$ (cup)
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9. people who broke the sedition act could be ______ or jailed. 10. the…
fined ### Question 10
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a fisherman is measuring the amount of bait he has remaining, y, in his…
-2; the amount of bait decreases by 2 pieces each hour
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task 7: soccer ball challenge your next task takes place at the olympic…
### Completed Table: | Time (s) | Height (m) | First Differences | Second Differences | |----------|------------|-------------------|--------------------| | 0 | 0 | - | - | | 0.5 …
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each of forty-two middle school students was asked, \what is your favor…
| | Social Studies | Science | |----------------|----------------|---------| | Girls | 11 | 10 | | Boys | 12 | 9 |
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write a story problem using the partitive interpretation of division fo…
There are 25 students in Mrs. Smith's class. The number of students in Mrs. Smith's class is \(\frac{5}{8}\) of the total number of students in the third grade. How many students …
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write a story problem using the following: $\frac{3}{4} div \frac{1}{8}…
A chef has $\frac{3}{4}$ of a kilogram of chocolate chips. Each batch of cookies requires $\frac{1}{8}$ of a kilogram of chocolate chips. How many batches of cookies can the chef …
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u will next be reading the truth about heroin booklet. before you begin…
A substance added to another to alter or improve it in some way, such as to change the color or texture of food
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part a 13. how does the author develop tension in paragraphs 37-47? a b…
A. by describing the conflict between Polikarpych and Gerasim ### Part B
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philosophical chairs prep-should colleges be free? what side of the arg…
To answer this, we'll assume the assigned side is "Colleges should be free" and provide evidence with statistics: ### Evidence 1 In countries like Germany, public colleges are tui…
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10. how do gerasim’s actions at the end of the passage help develop the…
B. By putting the needs of others before his own, Gerasim shows that acting with compassion toward others is its own personal reward. ### Question 11
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what is 3/4 as a decimal?
0.75 (matches the orange option)
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pregunta 59 (2 puntos) ____ calculates gdp using current dollar values,…
Pregunta 59: b. nominal GDP; real GDP Pregunta 60: a. diversification
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7; 7(2)^n; initial number of people who receive the e - mail; the incre…
- $7$ → Initial number of people who receive the e-mail - $2$ (from $7(2)^n$) → The increasing factor - $7(2)^n$ → The number of people who receive the e-mail on day $n$, where $n…
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the senior class advisor sends an e - mail to 7 students. that day, eac…
- $2$ → The increasing factor - $7$ → Initial number of people who receive the e-mail - $7(2)^n$ → Total number of people who receive the e-mail on day $n$
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en el restaurante: match the spanish word in the left column with its e…
1. h. the waiter 2. r. the menu 3. q. the salad 5. m. the fish 6. a. the chicken 7. i. the water 8. n. the orange juice 9. o. the soda 10. b. the coffee 11. e. the chocolate 12. d…
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transporte: match the spanish word in the left column with its english …
### Transporter Matching: 1. **A caballo** means "by horse", so match with h. by horse. 2. **La bicicleta** means "the bicycle", so match with l. the bicycle. 3. **A pie** means "…
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19. a line represents the relationship between the number of miles trav…
d. The cost per mile driven.
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20. true or false in general, the assumption of rational self - interes…
True
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a building is depreciating at a rate of 3% per year. julio wants to cre…
A. The graph is exponentially decreasing. B. v is the value of the building after t years. C. The y-intercept is 75,000.
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pregunta 17 (2 puntos) the ____ refers to the periodic ups and downs of…
Pregunta 17: c. business cycle Pregunta 18: d. per person
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a platter of 12 bagels at a bakery costs $11.40. the cost of 1 bagel re…
0.95
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which of the following tables represents a linear relationship that is …
The table with $x: -4, 0, 4$ and $y: 1, 0, -1$ (third option)
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now, solve. 3·2 = 3·2 ones 3·0.2 = 3·2 tenths 3·0.02 = 3·2 hundredths 6…
- \(3 \cdot 2\) (3·2 ones) matches 6. - \(3 \cdot 0.2\) (3·2 tenths) matches 0.6. - \(3 \cdot 0.02\) (3·2 hundredths) matches 0.06.
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use unit form to match each expression. 3·2 3·0.2 3·0.02 3·2 ones 3·2 h…
- \( 3 \cdot 2 \) matches \( 3 \cdot 2 \) ones - \( 3 \cdot 0.2 \) matches \( 3 \cdot 2 \) tenths - \( 3 \cdot 0.02 \) matches \( 3 \cdot 2 \) hundredths
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tuesday: the population of city a is 3.4 × 10⁸ people, and the populati…
A) $6.2 \times 10^6$
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questions 13-15 are based on the excerpt below.\the prime minister li s…
D. Legalism ### Question 14
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lisa used 1/4 cup of milk per batch using her muffin recipe. how many c…
B. 1.5 cups
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mateo bought 4.54 pounds of fuji apples, 6.8 pounds of red delicious ap…
A. 3.1 pounds
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jump to level 1 compute: $answer = \\sqrt{v * w}$ click here for exampl…
The completed code is: ```python import math v = float(input()) w = float(input())
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question 4 4 / 4 read this passage from the article: birthday customs v…
B. they differ
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activity b (continued from previous page) 5. with number of points set …
The runner starts at 0 yards (or the origin, represented by the point (0, 0)). #### 5B
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30. trevor often struggled with a. his relationship with his mother b. …
30. C. his identity and belonging 31. A. 1st point of view from Trevor Noah 32. C. She encouraged him to join the church choir 33. C. show their different experiences 34. B. It he…
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show what you know this scatter plot shows the number of teachers and s…
a. Positive association ### Part (b)
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is each number less than 87 or greater than 87? < 87 > 87 77 97
1. 77: Select the circle under $< 87$ 2. 97: Select the circle under $> 87$
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read the prompt, then type your answer into the box. read the passage d…
The extended simile compares Achilles’ men gathering around him to a builder constructing a defensive wall. The wall (made of “compacted stones,” growing “wide” and “thickening” t…
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read the prompt, then type your answer into the box. read the passage d…
The question seems to be cut off. From what's visible, it's about the meaning of an extended metaphor (likely the one comparing the men gathering around Achilles to a builder form…
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steven hit a golf ball and recorded its height in feet, ( h(t) ), after…
B. -25 feet per second
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how many carrots are shown below? each box has 10 carrots.
52
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a simple random sample of 10 people were asked how many first cousins t…
13
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reese, greg, and brad meet once a week for coffee. they each have their…
$\frac{4}{9}$
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a recent survey found that 80% of jeans have back pockets, 65% have fro…
0.74
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in a certain board game, a 12 - sided number cube showing numbers 1 - 1…
0.2297
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market researchers were interested in the relationship between the numb…
\$41.20
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11. shopping: you bought 5 identical t - shirts for a total of $60. how…
Each t-shirt costs $\$12$
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taylor’s computer randomly generate numbers between 0 and 4, as represe…
52.5% (corresponding to the option "52.5%")
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eight-year-old alex is learning to ride a horse. the trainer says that …
No, because it does not pass through the origin
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eight-year-old alex is learning to ride a horse. the trainer says that …
○ 30
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eight - year - old alex is learning to ride a horse. the trainer says t…
○ The horse's age when Alex was born
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eight-year-old alex is learning to ride a horse. the trainer says that …
$\boldsymbol{\frac{5}{2}}$ (Option: $\boldsymbol{\frac{5}{2}}$)
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how many minutes was the decline in watching television? 21 22 20 23
21
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8. bus ride: some people were on a bus. at the first stop, 8 people got…
22
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january 13th- collabora worksheet 26.732 - 3.321 51.373 - 29.234 37.144…
Let's solve each subtraction problem step by step: ### 1. \( 26.732 - 3.321 \) ## Step1: Align decimal points and subtract \( 26.732 - 3.321 = 23.411 \) (Wait, the handwritten ans…
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“‘tis some visitor,’ i muttered, ‘tapping at my chamber door— only this…
The speaker is mourning and sorrowful, made worse by the eerie atmosphere around him.
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brontë. though this is an older book, and some words are antiquated, yo…
C. Perished
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4. two motels promoted packages for one night and two night stays. this…
\(\frac{151}{387}\) (or \(\frac{453}{1161}\))
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4. two motels promoted packages for one night and two night stays. this…
\(38.99\%\)
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3. nadia owns 9 red shirts and 9 blue shirts. she randomly chooses a sh…
A. Yes
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3. nadia owns 9 red shirts and 9 blue shirts. she randomly chooses a sh…
B. Yes
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2. as a trial, you draw one marble out of this jar without looking: blu…
E. Certain
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2. as a trial, you draw one marble out of this jar without looking: 2a …
A. Red (with the red marble icon)
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1. look at this spinner and answer the following questions: spinning a …
A. Spinning any symbol that is not a \(\boldsymbol{\text{bear}}\)
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1. look at this spinner and answer the following questions: 1b which ev…
B. Spinning a teddy bear
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1. look at this spinner and answer the following questions: 1a which tw…
A. The pig - colored sections (2 out of 10, 20% probability), B. The star - colored sections (assuming 2 out of 10, 20% probability) (Note: Based on the visual and probability cal…
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7. which of the following sets of data is approximately normally distri…
The data set represented by the lower histogram (with three bars, middle bar tallest and side bars equal) is approximately normally distributed.
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7. which of the following sets of data is approximately normally distri…
To determine which data set is approximately normally distributed, we recall the properties of a normal distribution: it is symmetric, bell - shaped, with most data around the mea…
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7. which of the following sets of data is approximately normally distri…
The data set (weight data represented by this histogram) is approximately normally distributed.
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6. which two of the following statements are true for a normal distribu…
A. The curve is symmetrical. D. There are the same number of scores above and below the mean.
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find the mean of the follwing data set: 12, 0, 8, 4, 6, 3, 7, 3, 2, 9, …
Question 3: 5.8 Question 4: 7
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5. which of these box - and - whisker plots represents data that is nor…
B. The box - and - whisker plot with relatively symmetric box and whiskers around the median (consistent with normal distribution symmetry)
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name: syncere cobbs question 1 find the mean of the follwing data set: …
Question 1: 8.3 Question 2: 6
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4. which of these curves is normally distributed?
C. The curve that is symmetric about its peak (matches the normal distribution's symmetric bell - shaped curve)
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3. a newspaper editor is deciding which of 7 articles to print on the f…
\(\frac{3}{7}\)
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3. a newspaper editor is deciding which of 7 articles to print on the f…
35
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2. a boss wants to select one group of 5 people from his 30 staff. how …
The number of different groups possible is \( \boldsymbol{142506} \) (using the combination formula \( _{30}C_5 \) we find that there are 142506 different groups).
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6. the letters of the word space are to be rearranged. 6a how many diff…
\(\frac{1}{120}\)
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6. the letters of the word space are to be rearranged. 6a how many diff…
\(\frac{1}{5}\)
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5. if there are 7 swimmers in a race, in how many different orders can …
\( 7! = 5040 \) (or directly write 5040 as the number of different orders)
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4. find the value of $^7p_1$. $^7p_1 = $ enter your next step here
\( 7 \)
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3. simplify \\(\frac{7!}{5!}\\) = enter your next step here
\( 42 \)
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2. a student is choosing two units to study at university: a language a…
\(\frac{1}{5}\)
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tuesday, 1/13 scatterplot table this scatter plot shows the number of h…
31 ### Second Sub - Question: How many was he predicted to have?
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2. a student is choosing two units to study at university: a language a…
\(\frac{1}{5}\)
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2. a student is choosing two units to study at university: a language a…
40
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1. an individual is chosen from the group. according to the venn diagra…
The correct probability that a person who walks also runs is \( \frac{9}{17} \) (the initial expression \( \frac{9}{9 + 8} \) is correct in form, and when simplified, \( 9+8 = 17 …
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monday, 1/12 beach visitors a. explain why the correlation between temp…
As temperature increases, the number of beach visitors generally increases (points trend up left - to - right), so the correlation is positive. ### Part B
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1. an individual is chosen from the group. according to the venn diagra…
\(\frac{5}{17}\) (assuming the intersection is 5, but based on typical Venn problem with total 21, walkers 17, intersection 5) Wait, but maybe the actual intersection is different…
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1. an individual is chosen from the group. according to the venn diagra…
\(\frac{17}{24}\)
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7. this venn diagram shows the results of a survey identifying what col…
The probability is \(\frac{2}{3}\) (or \(\frac{9 + 7}{24}\) which simplifies to \(\frac{2}{3}\)). The reasoning is: We need children who like blue or yellow but not both, so we su…
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determine the meaning of the underlined words based on how they are use…
s (Meanings): 1. Rude, ill - mannered 2. Heavy, oppressive 3. Excessive, unreasonable 4. Enthusiasm, liveliness 5. Unnoticeably 6. Abandon, give up 7. Allow oneself to enjoy
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12.7 quiz analyze the declaration read this excerpt about the king’s ac…
D. Repeating "He has" followed by a negative noun highlights that the (complete intended meaning: king has committed a pattern of unjust, harmful acts, strengthening the argument …
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7. this venn diagram shows the results of a survey identifying what col…
\(\frac{1}{8}\)
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7. this venn diagram shows the results of a survey identifying what col…
Depends on the Venn diagram data. For example, if \( n(\text{blue} \cap \text{yellow}) = 2 \) and \( N = 20 \), then \(\boldsymbol{\frac{1}{10}}\) (or other value based on diagram…
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6. a standard six - sided die is rolled. 6a list all the even numbers t…
\(\frac{5}{6}\)
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6. a standard six - sided die is rolled. 6a list all the even numbers t…
2, 3, 5