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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here is a table showing all 52 cards in a standard deck. suppose one ca…
(a) $\frac{1}{2}$ (b) $\frac{3}{13}$ (c) $\frac{8}{13}$
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what does the underlined word mean in the following s buscamos las cart…
B. post office
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use regression to find an exponential equation that best fits the data …
$a\approx21.50$ $b\approx3.98$
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game 2 - release your prisoners 1. what is the least number of rolls it…
1. 6 2. \(\frac{1}{6}\) 3. \(\frac{1}{5}\) 4. \(\frac{1}{9}\)
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what does the underlined word mean in the following sentence? yo puedo …
D. library
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what does the underlined word mean in the following sentence? los chico…
ice cream shop
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homework 5 section 10.1 question 2 of 8 (1 point) | question attempt: 1…
$\frac{3}{10}$
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1. what is the least number of rolls it will take to release all your p…
2. \(\frac{1}{6}\) 3. \(\frac{1}{5}\) 4. \(\frac{1}{9}\) 1. Cannot be answered due to lack of information.
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(b) subtract. 1 - p(not x) = (c) select the answer that makes the sente…
(b) $P(X)$ (c) $P(X)$
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choose the correct answer below. a. the mean is the best measure becaus…
B. The mean is the best measure because the data are approximately symmetric.
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when youre asked to predict, you should use information from the text t…
A. Based on the survey data, 95% of students enjoyed last year’s prom, so I think that 190 out of 200 students will attend this year’s prom.
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without performing any calculations, determine which measure of central…
B. The mean is the best measure because the data are approximately symmetric.
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determine whether the statement is true or false. if it is false, rewri…
B. The statement is true. The midpoint is the sum of the lower and upper limits of the class divided by two. The distance between two consecutive lower (or upper) class limits is …
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determine whether the approximate shape of the distribution in the hist…
C. The shape of the distribution is skewed right because the bars have a tail to the right.
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determine whether the approximate shape of the distribution in the hist…
B. The shape of the distribution is symmetric, but not uniform, because a vertical line can be drawn down the middle, creating two halves that look approximately the same.
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the scores and their percent of the final grade for a statistics studen…
$89.15$
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approximate the mean of the frequency distribution for the ages of the …
$42.0$
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which team has the largest interquartile range? bears wolves lions tige…
Tigers
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question 1 - 6 chelsea received the following test scores in her algebr…
mean: 85.14, median: 85, mode: 81
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the table below shows the frequency - distribution of the rainfall on 5…
C
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kurt, twelve - year - old boy mrs delano, lisas mother scene 1 stage se…
C. to develop the rising action of the play
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the accompanying data and frequency distribution are 45 commute times t…
C.
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the histogram to the right represents the weights (in pounds) of member…
The approximate lower class limit is 100. The approximate upper class limit is 120.
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the histogram to the right represents the weights (in pounds) of member…
20
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4 multiple choice 1 point when should you paraphrase instead of quoting…
When the meaning is more important than the exact wording
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if we collect a large sample of blood platelet counts and if our sample…
D. The outlier will appear as a bar far from all of the other bars with a height that corresponds to a frequency of 1.
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from the 8th to 11th centuries c.e., the vikings were arguably europes …
"The most famous Viking navigational tool was the sun stone, a mineral found in Iceland. The sun stone allowed the Vikings to analyze the sun's location even on cloudy days. This …
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the population of ages at inauguration of all u.s. presidents who had p…
C. With a data set that is so small, the true nature of the distribution cannot be seen with a histogram.
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heights of adult males are normally distributed. if a large sample of h…
Bell-shaped
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a company manufactures and sells shirts. the daily profit the company m…
$f(-9)=-93$, meaning if the company sells - 9 shirts, they would make a profit of - 93 dollars. This interpretation is not valid in the context of the problem. $f(2)=-16$, meaning…
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a college has a financial aid formula that applies to applicants whose …
$f(-2)=0$, meaning a qualifying applicant with $- 2$ siblings in their household would get $\$0$ in financial aid. This interpretation is not valid in the context of the problem. …
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which constant term would mean that the expression is completely factor…
10
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why is the image of the setting sun most likely not described in great …
It is a part of the plot that does little to contribute to the theme.
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12 a nations culture is the ______ common to its people. multiple choic…
A. shared set of beliefs, values, knowledge, and patterns of behavior
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when mackayla hears the word “love” she is happy because she just start…
C. people
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read the lines from because i could not stop for death. we paused befor…
The language creates an image of starkness and isolation.
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1 multiple choice 2 points words, and virtually all language, are symbo…
B. denotative; connotative
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activity 4: writing about literature directions: use each of your vocab…
1. The benign tumor caused no health problems. 2. His pay is commensurate with his experience. 3. I am dubious about his claims of winning the lottery.
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use the ogive to answer parts a) through d). male beagles a) what is th…
a) [Read the cumulative - frequency value at 27.5 pounds from the ogive] b) [Read the weight value at cumulative - frequency = 45 from the ogive] c) [Cumulative - frequency at 29.…
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without performing any calculations, determine which measure of central…
D. The median is the best measure because the data are skewed.
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without performing any calculations, determine which measure of central…
B. The mean is the best measure because the data are approximately symmetric.
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describe the difference between the calculation of population standard …
A. When calculating the population standard deviation, the sum of the squared deviations is divided by N. When calculating the sample standard deviation, the sum of the squared de…
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name: blanca moses period 5 ch 2 * ki 3 * pg 9 - 10 chapter 2 - key iss…
1. A graphical representation showing age - and sex - distribution of a population. 2. Indicates a high proportion of young individuals and high birth rates. 3. high; strains; day…
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determine whether the statement is true or false. if it is false, rewri…
The statement "A graph of the cumulative frequencies can decrease from left to right" is false. A true statement is: A graph of the cumulative frequencies starts at the lower boun…
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sleep researchers agree that: dreams are meaningful. we need rem sleep.…
we need REM sleep.
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why did some national leaders support large transportation systems? a. …
B. It was a way to get goods to markets faster and at a lower cost, which would help the economy.
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find the mean of the data set. x = 110.1 (round to the nearest tenth as…
$19.88$
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complete the table. round values to the nearest tenth as needed. midpoi…
$69.57$
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midpoint x 70.5 92.5 114.5 136.5 158.5 x - x̄ -39.6 -17.6 4.4 26.4 48.4…
19362
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in a recent year, the scores for the reading portion of a test were nor…
$0.1623$
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ian counted the number of problems on each of his tests. problems per t…
5
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mrs. vega, the science teacher, informed her students of their scores o…
3
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mrs. petersen kept track of her students scores on last years final exa…
32
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allie found a list of the number of roller coasters at each amusement p…
5
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a museum curator counted the number of paintings in each exhibit at the…
13
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the librarian at the public library counted the number of books on each…
6
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principal kirby reported the state test scores from some students at he…
10
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shawna counted the number of pairs of shoes for sale at each of the sho…
4
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paula ran a video game competition and recorded the scores of all the c…
110
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molly found out the sizes of all the clubs at her school. club sizes (n…
8
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the owner of a plant nursery wrote down the number of roses on each bus…
0
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a pet store owner had her staff count the number of fish in each tank. …
21
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mr. dalton, a p.e. teacher, wrote down how much weight each of his stud…
12
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a crayon factory monitored the number of broken crayons per box during …
9
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julian counted the number of pieces of pepperoni on each pizza he made.…
4
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dr. hampton, a pediatrician, weighed all the children who recently visi…
85
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a veterinarian weighed all the dogs that visited his office last month.…
5
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each of these relationships reflects a correlation. which relationship …
When builders build more houses, lumber companies sell more wood.
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each of these relationships reflects a correlation. which relationship …
More time spent at a computer is associated with more time spent on the phone.
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question 7 what does crowdsourcing mean? a creating exclusive high - en…
B. Outsourcing tasks to a large, undefined group of people
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confederation gave the national government was the authority to con arm…
- The national government had to rely on optional payments from state governments. - The Congress of the Confederation did not have enough money to provide for national defense.
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the 154 tenth - graders at wilson high school were polled on whether th…
What is the probability that a randomly - chosen tenth - grader is male? $\frac{40}{77}$ What is the probability that a randomly - chosen tenth - grader is male given that the ten…
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what is meant by the negation of a proposition? make up an example of a…
D. Given the proposition "The product of two negative numbers is a positive number," the negation would be "The product of two negative numbers is not a positive number."
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at mountain high school, the students were surveyed about their partici…
\(\frac{9}{33}\)
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try this: fill in the possible outcomes for the cards and spinner below…
(heart, 1), (heart, 2), (heart, 3), (club, 1), (club, 2), (club, 3), (diamond, 1), (diamond, 2), (diamond, 3), (spade, 1), (spade, 2), (spade, 3)
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probability and sample space diagrams as the number of possible outcome…
| | Heart | Club | Diamond | Spade | |---|---|---|---|---| | 1 | Heart - 1 | Club - 1 | Diamond - 1 | Spade - 1 | | 2 | Heart - 2 | Club - 2 | Diamond - 2 | Spade - 2 | | 3 | Hear…
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the anderson family went to destin, florida for a summer vacation. the …
7. 94°F 8. a. The mean and the median are equal. 9. False. The correct statement is: The mean of the data set decreases with the addition of Saturday's temperature, and the median…
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match each term with its definition or description. evacuation radar bl…
evacuation - the process of removing something to safety radar - a device that uses radio waves to detect aircraft blitzkrieg - a German term meaning "lightning war" isolationism …
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i - ready identifying central idea - quiz - level d a shining glowworm …
dirty
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what does eliably\ mean in these sentences? experts reliably report wha…
in a way that can be trusted
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the opposite of simpático in meaning is a. simpática b. serio c. antipá…
C. antipático
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probability and tree diagrams use a probability tree to help answer the…
1. $\frac{1}{8}$ 2. $\frac{7}{8}$ 3. $\frac{1}{4}$ 4. 0 5. $\frac{5}{9}$ 6. $\frac{7}{9}$ 7. $\frac{2}{9}$ 8. $\frac{2}{9}$
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probability and tree diagrams use a probability tree to help answer the…
1. $\frac{1}{8}$ 2. $\frac{7}{8}$ 3. $\frac{1}{4}$ 4. 0 5. $\frac{5}{9}$ 6. $\frac{7}{9}$ 7. $\frac{2}{9}$ 8. $\frac{2}{9}$
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xyz warehouse is looking for machine operators. no experience required.…
1. C. to advertise jobs 2. D. can be talked about and agreed upon 3. B. restaurant serving experience
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machine operators xyz warehouse is looking for machine operators. no ex…
1. C. to advertise jobs 2. d. can be talked about and agreed upon
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probability and tree diagrams use a probability tree to help answer the…
1. \(\frac{1}{12}\) 2. \(\frac{7}{12}\) 3. \(\frac{1}{4}\) 4. \(\frac{3}{4}\) 5. \(1\) 6. \(0\) 7. \(\frac{1}{3}\) 8. \(0\)
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(01.04 mc) read the sentence below. which type of context clue is used …
A. Antonym context clue
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program areas: all ctae program areas instructions: read the material a…
1. Newspapers, magazines, radio ads, websites, online ads, employment websites, local job fairs, career fairs, networking. 2. Ask for places to volunteer. 3. Talking with people y…
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a liquid - dispensing machine has been designed to fill bottles with 1.…
D. In control, because none of the three warning signals detected a change.
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a liquid - dispensing machine has been designed to fill bottles with 1.…
A. Out of control, because there are nine consecutive points either above or below the mean.
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a gear has been designed to have a diameter of 3 inches. the standard d…
D. In control, because none of the three warning signals detected a change.
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• probability and tree diagrams • lets look at the previous example wit…
1. $\frac{5}{8}$ 2. $\frac{3}{4}$ 3. $\frac{23}{24}$ 4. $\frac{5}{6}$
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use the normal distribution to the right to answer the questions. (a) w…
(a) 34.46% (b) 774
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use the normal distribution of sat critical reading scores for which th…
(a) $81.46\%$ (b) $312$
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assume a member is selected at random from the population represented b…
$0.1012$
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assume a member is selected at random from the population represented b…
$0.4021$
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the amounts of time per workout an athlete uses a stairclimber are norm…
(a) $0.2843$ (b) $0.3413$ (c) $0.1265$
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a) identify the independent (x) and dependent (y) variables in this sit…
# Explicación: ## Paso1: Identificar variables La longitud del fémur es la variable independiente $x$ y la altura es la variable dependiente $y$. ## Paso2: Escribir pares ordenado…
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class e general knowledge question #31 / 50. if you see a fluorescent y…
# Breve explicación: Los signos de color amarillo - verde fluorescente indican una alta prioridad en la advertencia de actividades como la presencia de escolares, peatones o cicli…
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the monthly utility bills in a city are normally distributed, with a me…
0.0062