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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the table gives the projections of the population, in millions, of a co…
306.5852
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the table gives the projections of the population, in millions, of a co…
300.627 (rounded to three decimal places)
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the table gives the projections of the population, in millions, of a co…
$y = 1.890x + 247.994$
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the table gives the projections of the population, in millions, of a co…
a. (Since no graphs are described in detail here, assume the correct one is the one that matches the data points' trend. If we consider the increasing nature of the population dat…
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three cards labelled 2, 3 and 4 are placed face down on a table. two of…
C. 4/6
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which statements are true about the experimental and theoretical probab…
The theoretical probability of landing heads up is less than the experimental probability of landing heads up. The experimental probability of landing tails up is less than the th…
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you are to create a 4 - digit passcode for your phone. the first digit …
B. $\frac{16}{336}$
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the table gives the projections of the population, in millions, of a co…
We need to visually check which of the given graphs has points plotted at the correct (x,y) coordinates and shows an increasing trend. Without the actual visual content of the gra…
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question 8 2 pts given that the probability of an event is 40/65, what …
A. 25:40
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a survey off 1124 people dealing their smoking habits was conducted and…
D. 545:579
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what is the probability that at least two of the coins will be tails? 1…
$\frac{1}{2}$
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angela rolled a die 62 times ang the following results | outcome | 1 | …
C. 50:12
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the table below shows all of the possible outcomes of rolling a six - s…
rolling a two and the coin landing on tails
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question 5 2 pts a die was rolled 96 times and the results are shown be…
6
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the spinner below was spun 25 times and the results are as follow: red:…
B. 3/25
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thth thht tthh ttht ttth tttt what is the probability of at least two c…
$\frac{11}{16}$
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a couple have 3 kids. the sample space of the possible gender of these …
A. 6/8
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1st coin 2nd coin 3rd coin outcomes h - - - - (h,h,h) t - - - - x h - -…
heads on the first coin, heads on the second coin, and tails on the third coin
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what is the probability of one of the coins landing on tails and two of…
$\frac{3}{8}$
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there were 3 apple, 1 mixed fruit, 2 grape, and 4 tropical fruit juice …
$\frac{1}{45}$
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select the word or phrase that is redundant and can be removed without …
for example
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what is the probability of rolling an even number first and an odd numb…
$\frac{1}{4}$
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40 students were asked about the kinds of pets they owned and the resul…
C. 21/40
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xander spends most of his time with his 10 closest friends. he has know…
$\frac{1}{10}$
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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 …
annually
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calculate the probability of picking a tile at random from the ones sho…
B. 3/12
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select the word or phrase that is redundant and can be removed without …
and descriptive
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6. how did mrs. flowers help the narrator improve her language skills? …
6. b) By encouraging her to use her voice and express deeper meaning in words 7. b) She felt liked, respected, and proud to be herself 8. c) That language separates humans from an…
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fraciscos game involves 3 green, 2 yellow, 4 red, and 3 black marbles. …
$\frac{1}{55}$
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select the word or phrase that is redundant and can be removed without …
in the evening
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select the word or phrase that is redundant and can be removed without …
celebratory
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select the word or phrase that is redundant and can be removed without …
courageously
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select the word or phrase that is redundant and can be removed without …
on their faces
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select the word or phrase that is redundant and can be removed without …
and combustible
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franciscos game involves a bag of 3 green, 2 yellow, 4 red, and 3 black…
B. Andrew should add more yellow marbles to the bag. C. Andrew should remove from the bag 1 green, 1 black, and 2 red marbles. E. Andrew should triple the number of yellow marbles…
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select the word or phrase that is redundant and can be removed without …
possibly
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select the word or phrase that is redundant and can be removed without …
at first
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sample response: the events are dependent, so the sample space changes …
All of the following should be included: - These are dependent events. - The sample space is reduced from 12 to 11 for the second draw. - To find the probability, multiply the pro…
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select the word or phrase that is redundant and can be removed without …
approximately
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the number of women in the workforce for selected years from 1990 throu…
b. Continuous c. B. Yes, because the graph of y = W(x) has the same shape and appears to contain most or all of the data points on the scatterplot Is it a linear model? No, becaus…
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select the word or phrase that is redundant and can be removed without …
and burn
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activity 2: comparing measures for each group of data sets, ● determine…
1. Best measure of center: Mean for all distributions (1a, 1b, 2a, 2b) - Distribution with greatest measure of center: 1b for 1a and 1b comparison; 2b for 2a and 2b comparison - D…
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the mean weight of a breed of yearling cattle is 1093 pounds. suppose t…
a. - 1.06 b. Neither a steer weighing 1000 pounds nor one weighing 1250 pounds is very unusual.
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classify the statement as an example of classical probability, empirica…
subjective
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identifying an error francisco is playing a game with 3 green, 2 yellow…
Francisco used 12 as the denominator for the probability of drawing a red marble on the second draw instead of 11. Since the first yellow marble was not replaced, there are only 1…
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two language majors, anna and megan, took exams in two languages. anna …
a) A. Only Anna qualifies b) A. Only Anna's overall performance was better
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determine if the points plotted to the right appear to lie near some li…
Yes
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construct a scatter plot of the data in the table. | x | 0 | 2 | 4 | 6 …
(No scatter - plot images are provided in a way that can be directly evaluated. But in a normal situation, one would check each option to see if the points (0,0), (2,2), (4,6), (6…
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create a scatter plot for the set of data. choose the scatter plot on t…
C.
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2) maria has a bank account. at the beginning of the month, her balance…
A. A balance of $0$ means Maria has neither a positive amount of money nor owes any money to the bank in her account. D. A balance of $100$ means the amount in Maria's account has…
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alex says that if he rolls an odd number on the first number cube, it i…
No, he is not correct. The outcome of the first roll of the number cube does not affect the outcome of the second roll. The probability of rolling an even number on the second num…
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2. how does mrs. flowers influence the narrator’s sense of identity? a)…
2. b) By encouraging pride in her heritage and teaching her to use her voice 3. b) To show that education and grace are powerful tools for dignity and respect 4. c) That language …
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analyzing a situation jeff can win the game if he rolls 11 on the two n…
What is the probability that he will win the game? A. \(1/18\) What is the probability that he will lose his next turn? D. \(1/2\)
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sample response: to roll a 9, you need a combination of 3 and 6, or 4 a…
The probability of getting a 9 is 4/36, The probability of getting a 6 is 5/36, 5/36 is greater than 4/36, so it is more likely that a 6 will be rolled.
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which phrase in paragraph 7 helps the reader understand the meaning of …
D. the weapon explodes
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discuss whether the scatter plot on the right should be modeled by a li…
No
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which phrase in paragraph 7 helps the reader understand the meaning of …
D. the weapon explodes
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predicting the winner you must roll a total of 9 on two number cubes to…
Alex is more likely to win because the probability of rolling a 6 on two number - cubes (\(\frac{5}{36}\)) is greater than the probability of rolling a 9 on two number - cubes (\(…
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question 3 3/10 how can word choice affect the tone of a text? by makin…
By expressing the author's opinion and setting a tone.
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on your next turn in the game, you are 8 spaces away from climbing a la…
\(\frac{5}{36}\)
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the staff of a game show tracked the performance of all the contestants…
The completed histogram should have bar heights of 2 for 0 - 4, 3 for 5 - 9, 2 for 10 - 14, 1 for 15 - 19, and 5 for 20 - 24.
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sample response: a table can show all the possible sums for two number …
All of the above should be considered. That is, making a table or list to show the possible outcomes, identifying the outcomes that have a sum of 7, and using the formula to find …
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at their family reunion, the mckenzie family recorded everyones age. us…
2
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a towns january high temperatures average 38°f with a standard deviatio…
It is more unusual to have a day with a high temperature of $57^{\circ}$ in January because the z - score for 57 in January is approximately 2.11 (more than 2 standard deviations …
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the average score on the stats mid - term was 72 points with a standard…
78 (assuming $z = 1$. If a different $z$ - score value is given, substitute it into the formula $x=\mu+z\sigma$ for the correct answer)
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solve problems involving compound ever about the solutions. you are pla…
The probability that you will roll a total of seven on your first try is $\frac{1}{6}$.
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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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2) maria has a bank account. at the beginning of the month, her balance…
A. A balance of $0 means Maria has neither a positive amount of money nor owes any money to the bank in her account. D. A balance of $100 means the amount in Maria's account has i…
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find and interpret the rate of change and the initial value. 5. a pizze…
Rate of change: 2. It means the cost increases by $2 per topping. Initial value: 8. It means the cost of a large cheese pizza with no toppings is $8.
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a clue that helps the reader to understand a words meaning by using a c…
synonym
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suppose your statistics professor reports test grades as z - scores, an…
B. The score was 2.20 standard deviations higher than the mean score in the class.
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which is a thesis statement? the cost of college tuition in the united …
# Breve explicación: Un enunciado de tesis es una declaración argumentativa que presenta una opinión o postura. La primera frase es un hecho, la tercera es una introducción a un t…
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youre trying to find the difference between 5.8×10⁴ and 0.4×10⁴. the po…
$5.4\times 10^{4}$
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youre trying to find the difference between 2.6×10⁴ and 0.5×10⁴. the po…
$2.1\times10^{4}$
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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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youre trying to add 8×10² and 470×10². the power of 10 is the same, and…
$478$
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detras score on the stats midterm was 76 points. the class average was …
-1
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which sentence has an underlined word that means \leave\? during a fire…
A. During a fire drill, we evacuate the building.
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how would a student justify inferring that \indigenous\ means \originat…
The word root "gen" means "birth," and the suffix "-ous" means "having the quality of something."
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what is the range of the table of data below? {8, 10, 13, 4} {-2, 0, 3,…
\(\{8, 10, 13, 14\}\)
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read the sentence. the office’s boisterous celebration, full of cheerin…
B. rowdy
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words with the word root \dorm\ will have a meaning related to birth. t…
D. sleep
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which affixes mean \without\? select two options. a- -cy -ology -ic int…
A. a-, G. im-
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which sentence contains an example clue, a type of context clue to help…
Her frugal lifestyle of clipping coupons and waiting for sales helped her to live better with a minimum wage job.
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which sentence uses an antonym clue to help the reader determine the me…
The former king was adored by the people for his reasonable decisions, but the new king was disliked for his arbitrary decisions.
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how does the title of a modest proposal indicate that swift is writing …
Swift does not mean what he says when he calls his proposal "modest" or moderate; his proposal is actually extreme.
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which word contains a word root that means \believe\? credential dictio…
credential
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fantastic voyager by david cohen it might sound like the nautical equiv…
1. a. No Change 2. C. Deleted, because it detracts from Lipschutz's credibility. 3. a. where it is now 4. b. building bridges, road paving, and constructing sidewalks
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a school has 200 students. 120 play sports and 80 dont play sports. of …
C. $90/150 = 0.60$
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two events a and b are independent if p(a | b) = p(a). what does this r…
1. C. Knowing that B occurred doesn't change the probability of A occurring 2. B. Gender and major choice are independent in this class
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based on the two data sets represented below, complete the following se…
The center of Data Set S is less than the center of Data Set T. The spread of Data Set S is less than the spread of Data Set T.
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question based on the two data sets represented below, complete the fol…
The median of Data Set M is greater than the median of Data Set N. The minimum of Data Set M is less than the minimum of Data Set N.
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based on the data in the table, how many students would you expect to b…
76
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question 2 instructions read the question carefully and select the best…
A. techniques to attain certain desired effects
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read the excerpt from act iv of hamlet. hamlet: rightly to be great is …
Shakespeare capitalizes on the multiple meanings of "great" to help emphasize Hamlet's point.
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math 8 unit 2 review make sure to show the setup for each problem and a…
B. $\frac{3}{58}$ ### 2.
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some seniors at dover high school were asked if they use a pen or penci…
Plot the points (2011, 100), (2012, 100), (2013, 0), (2014, 250), (2015, 200), (2016, 100), (2017, 250) and connect them with a line for the pen - usage line on the double - line …
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how does fricks death show readers the concept of unintended consequenc…
1. He was caught in crossfire meant for someone else 2. He doesn't want Will to know the truth 3. To illustrate how cycles of revenge perpetuate across time
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how does fricks death show readers the concept of unintended consequenc…
He was caught in crossfire meant for someone else