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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a regional bank is analyzing its customer base to improve its services …
\(0.5\)
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a regional bank is analyzing its customer base to improve its services …
\(0.5\)
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the pto is selling raffle tickets to raise money for classroom supplies…
- The expected value of one raffle ticket: \(-4.71\) - The expected value of 6 raffle tickets: \(-28.26\) - The expected value of one raffle ticket to the PTO: \(4.71\) - The mone…
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credit card usage among college students a university conducted a surve…
\(0.33\)
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score: 0/10 answered: 8/10 question 10 the data below shows the number …
| Min | Q1 | Median | Q3 | Max | | --- | --- | --- | --- | --- | | \(5\) | \(6\) | \(8\) | \(12\) | \(15\) |
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a university conducted a survey to understand credit card usage among i…
\(0.6\)
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a university conducted a survey to understand credit card usage among i…
\(0.67\)
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a university conducted a survey to understand credit card usage among i…
\(0.25\)
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mel is a park ranger at death valley national park in california. she r…
\(-1.1\)
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soraya scored 69 in the class with the mean 78.7 and the standard devia…
Soraya's z - score is \(-1.90\) and Trashia's z - score is \(-1.80\). Since Soraya's z - score \( <\) Trashia's z - score, we conclude that Trashia scored relatively better.
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for one of the midterm exams in a calculus 1 course, the mean is 72 and…
The distribution of exam scores is a normal distribution (bell - shaped curve) centered at \(x = 72\) (the mean) with intervals of \(8\) (the standard deviation) on either side of…
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normally, colored pencils are used for drawing pictures, but artist jen…
1. colored pencils are used for drawing pictures 2. arranges pieces of colored pencils into sculptures 3. experimental creations
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question 7 the numbers of false fire alarms were counted each month at …
Size: \(17\) Mean: \(\approx11.65\) Variance: \(\approx12.63\) Standard deviation: \(\approx3.55\)
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what is the purpose of \for the equal rights amendment\? ○ to call for …
to call for a change to the Constitution
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consider the following data set that contains information about a sampl…
The scatter - plot is constructed by following the above steps of labeling axes and plotting the corresponding points for each pair of (mileage, price) values.
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11. in the following speech from act v of the tempest, prospero comes f…
11. B. Alonso and the others begin to awaken and shake off the spell Prospero cast on them. 12. A. He believes it is nobler to forgive them than it would be to condemn them.
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chapter 4 quiz score: 0/10 answered: 3/10 question 4 the following data…
0| \(7\ 7\ 8\ 9\) 1| \(4\ 7\ 7\) 2| \(4\ 4\) 3| \(1\ 1\ 2\ 7\) 4| \(1\ 2\ 4\)
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grading rubric this assignment is graded automatically and the grade co…
10
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kelly has surveyed their 20 classmates about the number of pets in thei…
The first histogram (the one in the top - left corner) is the correct one.
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read the passage from \by the waters of babylon.\ i went north—i did no…
"I had long gone past what was forbidden, and I entered the likeliest towers, looking for the food of the gods."
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chapter 4 quiz score: 0/10 answered: 0/10 question 1 a common claim is …
34
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a cyclist rides for 2 miles, stops for a break, and then rides 2 more m…
10 minutes
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a car is stopped at a light. once the light changed, it starts moving a…
30 sec
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a train starts out slow, then it speeds up. what distance has the train…
3 miles
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a skier ascends a ski lift, skis down the mountain, and then stops. how…
20 seconds
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a boat travels 4 miles, slows down and travels 2 more miles, then rever…
40 minutes
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choose the correct answer. what does the spanish word \frecuentemente\ …
Frequently
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6. why are demographers concerned with human migration?
Demographers are concerned with human migration because it significantly impacts population characteristics (size, distribution, composition), labor markets, cultural aspects, and…
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read the text. of the 1.3 billion residents of china, approximately 850…
compare - contrast
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what does the spanish phrase bien hecho mean? ¡qué lástima! congratulat…
Well done!
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20. what does it mean when it says the rain sounded like drums on th ro…
The rain was very loud.
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what does the underlined word mean in the following sentence? vamos a c…
post office
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what does the underlined word mean in the following sentence? ellos van…
office
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what does the underlined word mean in the following sentence? ¿vas a ba…
dance club
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what does the underlined word mean in the following sentence? me gusta …
the corner
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4. the weights of elephants at birth can be modeled by a normal distrib…
(b) The z - score is \(1.2\) (c) Approximately \(88.49\%\) (d) The z - score is approximately \(1.645\) (e) Cardinal weighs approximately \(241.125\) pounds
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what does the underlined word mean in the following sentence? mi casa e…
a city
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jesus answered, \a man was going down from jerusalem to jericho, and he…
Take care of people in need, even if they are your enemies.
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(b) by hand, compute the correlation coefficient. the correlation coeff…
Since the correlation coefficient \(r = 0.902\) is positive and \(|r| = 0.902\) (and considering the problem's context about the absolute - value condition for linear relationship…
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(a) draw a scatter diagram of the data. choose the correct graph below.…
\(r = 0.902\)
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company incomes what is the mean income of these employees? a companys …
$31400$
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14. extension: mr. silvas surprises his students with a probability cha…
The sample space consists of 27 possible combinations: \((R_1,B_1,B_1),(R_1,B_1,B_2),(R_1,B_1,W),(R_1,B_2,B_1),(R_1,B_2,B_2),(R_1,B_2,W),(R_1,W,B_1),(R_1,W,B_2),(R_1,W,W),(R_2,B_1…
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starting my descent, while she ends her walk up to the locker room. \he…
The clue "so now I'll miss the first week" helps understand what "modify" means.
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between here and jamaica i see my friend nina on the stairs to the gym.…
a movement down
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how many more people owned a gerbil than owned a snake?
\(20\)
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what is the combined points scored by alpha and gamma?
\(140\)
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excited, i snuck to my bedroom door to watch. my mother stopped prepari…
Some people give up. Not you.
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but im just having fun! a mask of fur around my eyes, a smile upon my f…
a prize or reward
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probability: determining probabilities ii.a student activity sheet 2: u…
9. There are 20 possible combinations in the sample space. 10. Yes, the outcomes are equally likely because each spinner is fair. 11. The probability that Nathan is selected is \(…
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mother surprised me. most nights, he came home from work after i was as…
to keep trying to achieve something
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sorrow knocked at my door, but i was afraid; ambition called to me, but…
The speaker prefers to risk madness rather than endure the torture of a meaningless life.
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ella tracked her weekly art supplies expenses for several weeks. she ma…
The majority of Ella's art supplies expenses were between $10 and $20.
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lucas observed his daily coffee expenses for a month. he made a box plo…
The majority of Lucas’s coffee expenses were between $3 and $5.
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which phrase best defines the term \figurative language\? language that…
language that is not intended to be taken literally
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introduction: identify whether each phrase describes the torah or the t…
- The Torah: includes a set of laws, is known as the Five Books of Moses, includes God's directions for worship, explains the story of Judaism, includes directions for life. - The…
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the data below represent the number of days absent, x, and the final gr…
(c) The predicted final grade is \(71.5\). This observation has a residual of \(-6.7\), which indicates that the final grade is below average. (e) C. No—15 missed class periods is…
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rosas lawn mowing the stem - and - leaf plot shows what rosa was paid f…
\(45\)
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the data below represent the number of days absent, x, and the final gr…
Interpret the slope: D. For every day absent, the final grade falls by \(2.70\), on average. Interpret the \(y\) - intercept: A. For zero days absent, the final score is predicted…
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2. what is demography?
Demography is the scientific study of human populations, including their size, structure, distribution, and changes over time.
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3:09pm mon oct 27 take quiz m1: lesson 2 - quiz: essay structure (q - 0…
Question 1: All of the details in the paragraph relate to the main point of the paragraph. Question 2: True
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i went north—i did not try to hide myself. when a god or a demon saw me…
character vs. society because he is breaking laws, character vs. character because he faces the gods in the towers, character vs. nature because his hunger is driving him to take …
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earning from summer job a histogram of weekly earnings from summer jobs…
\(\$101 - 150\)
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language development: word study identify the choice that best answers …
D. things that block and are "piled up against"
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language development: word study identify the choice that best answers …
A. stubborn, in a way that "stands against"
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according to graph 1, which of the following describes the relationship…
Negative, weaker relationship
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penelope loves to travel and sets aside a budget every year for her vac…
1.25
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this graph shows the number of laps that jan runs as her coach times he…
The slope of the line is \(2\). This means that Jan runs \(1\) lap every \(2\) minutes.
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which data set would the mean be significantly affected by extreme valu…
The data set "Money earned from babysitting by five students: \( \$30,\$32,\$33,\$35,\$330 \)"
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select all the correct words in the excerpt. highlight two words that m…
weary, wasted
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first read: concept vocabulary identify the choice that best answers th…
B. Sid finally accepted the truth and logic of Sara’s argument.
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select the correct answer from each drop - down menu. in this excerpt f…
- giddy: dizzy - doth: does - amain: quickly
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the number of females in medicine continues to show steady increases. t…
\(F(30)\approx41.382\). This means there were \(41\) (in thousands) female physicians in the year \(2000\)
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the number of females in medicine continues to show steady increases. t…
\(F(30)\approx41.437\). It means that 30 years after 1970 (i.e., in the year 2000), the number of female physicians is approximately \(41.437\) thousand.
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the green hat taxi company estimated, on the basis of collected data, t…
(c) The number of miles driven per day **increases** as the number of drivers employed increases. (d) The graph of the function \(Q = 338L^{0.2}\) is **concave down** because \(Q^…
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review the claim and the two pieces of evidence. you should not store b…
Evidence A does not directly support the claim. It does not state that it is bad to store bread, specifically, in the refrigerator.
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review the claim and the two pieces of evidence. drawing in adult color…
Evidence A is anecdotal. It might not represent the views of other workshop participants or art therapists themselves.
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question 4 (20 points) if you are going to include jargon in a speech, …
explain it after you use it.
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consider this claim: drawing in adult coloring books for relaxation or …
B. Evidence B
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question 13 (bonus) (1 point) match each z - score to the corresponding…
\(-0.20\)
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a large manufacturer makes large batches of chocolate chip cookes to be…
Mean: \(18\) chocolate chips Standard Deviation: \(1\) chocolate chip For the z - score: \(-0.33\)
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read this excerpt from a passage. \what is the appropriate age for a ne…
C. historical transportation forms and modern transportation forms
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question 9 (1 point) give an exact answer based on the empirical rule f…
\(34\%\) ### Question 10
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read this outline from a passage. i. coffee and tea and the java and me…
history, taste profile, health properties, and caffeine content
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a large manufacturer makes large batches of chocolate chip cookes to be…
- For the chocolate - chip cookies: Mean \(=15\) chocolate chips, Standard Deviation \(=2\) chocolate chips - For the sugar - bags: Mean \(=10.15\) lbs, Standard Deviation \(=0.08…
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consider this claim: drawing in adult coloring books for relaxation or …
B. Evidence B
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question 4 (1 point) the scores on the most recent exam for a math cour…
Question 4: \(58\) and \(94\) Question 5: \(67\) and \(85\) Question 6: \(49\) and \(103\)
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question 2 (1 point) the depth of the snow at yellowstone national park…
Question 2: \(2.17\) Question 3: \(4.06\)
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question 1 (1 point) for each blank below type in a number that represe…
50, 50, 68, 95, 99.7
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read this sentence. bobs new classmate is pushy. he insisted that bob s…
assertive
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here are the ages of 13 people in a coffee shop on a given day: 26, 44,…
51
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the movement of the progress bar may be uneven because questions can be…
the act of operating without direct control by a person
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hal and renee play the following game: a bag has 11 tiles in it, each w…
The game is not fair because the probability of Hal drawing a winning letter is less than the probability of Renee drawing a winning letter.
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deena has 2 pairs of white socks, 3 pairs of black socks, 1 pair of red…
\(\frac{1}{4}\)
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23 mark for review professor duvall teaches two classes of psychology. …
B. Recall led to higher scores than recognition on this quiz.
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the date of a document is especially important when citing: instruction…
statistics
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when studying for a vocabulary test, catherine read one of her vocabula…
B. Long - term memory, because Catherine failed to encode the word; therefore, the word did not become a part of her long - term memory.
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here are the ages of 13 people in a coffee shop on a given day: 26, 44,…
\(21.5\)
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here are the ages of 13 people in a coffee shop on a given day: 26, 44,…
\(69\)
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read the excerpt from justice sotomayors speech \a latina judges voice.…
It shows her strong connection to her heritage.
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here are the ages of 13 people in a coffee shop on a given day: 26, 44,…
\(15\)