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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select the word that means to do something special to honor and remembe…
commemorate
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select the word that means present from birth. frans de waal, a primato…
innate
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a company is considering making a new product. they estimate the probab…
The company should not make this new product since the expected profit is -$16000$.
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select the word that means a state of resting. mary cassatt was a ninet…
repose
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you play a game in which two coins are flipped. if both coins turn up t…
$\frac{1}{3}$
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church fathers the church fathers were the first authoritative teachers…
According to Athenagoras, man was created with inherent value and not for the use of other things created by God.
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what is the expected number of female children in a family with three c…
1.5
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4. the dot plot shows the weight, in grams, of several different rocks.…
B. bimodal
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in each turn of a game you toss two coins. if 2 heads come up, you win …
Expected value: 0.25 The game is: favorable
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select the correct answer. in basilica plan church architecture, the ch…
A. the central open space within the church
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identifying a fair game in each turn of a game you toss two coins. if 2…
0.25
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36 multiple choice 1 point which term means when an athlete fully under…
A. Assumption of Risk
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roll a number cube. if the number cube comes up odd, you win the same n…
-0.5
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3. kelloggs claimed their frosted mini wheats improved childrens attent…
a. The calculated interval refutes the claim made by Kellogg's because 20% is not within the 4% to 14% interval for the true improvement in attentiveness. b. The researcher could …
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in basketball, shaquille makes 40% of his free - throw attempts. he goe…
0.56
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1. for each of the following, determine whether the question is a stati…
No #### b. How many letters are in the last names of the students in my 6th - grade class?
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2. a doctor would like to estimate the average number of hours per week…
D. 100
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chapter 3 reading guide 3.1: where people live 1. how might population …
1. Population growth could lead to more construction, denser cities; decline could result in abandoned areas. 2. Climate: Moderate climates attract more people; extreme ones repel…
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the graph below shows the numbers of visitors at a museum over six days…
(a) 180 (b) Sunday to Monday
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the probability of a sum of 7 or 11 is: 1/36 1/18 2/9 1/36 complete the…
The probability of a sum of 7 or 11 is \(\frac{2}{9}\). The expected value of the number of points for one roll is 3.
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name: hw 1.4 1. xena wanted to know the average height after 3 weeks of…
C. Between 5.25 inches and 7.75 inches
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you toss two number cubes. if a sum of 7 or 11 comes up, you get 7 poin…
$\frac{2}{9}$
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number of repairs 12 10 8 6 4 2 0 computer radio television dvd player …
(a) television, 3 (b) 5 (c) 3
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finding the expected value in a marble game derek and mia place two gre…
$-\frac{1}{9}$
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answer the questions. (a) which color had the least t - shirts sold? or…
(a) white, 3 (b) 3 (c) 2
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derek and mia place two green marbles and one yellow marble in a bag. s…
$\frac{1}{81}$
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mia place two green marbles and one yellow marble in a bag. derek picks…
$\frac{2}{9}$
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hazardous waste: following is a list of the number of hazardous waste s…
74
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a certain store sells t - shirts in 4 colors. the number of t - shirts …
(a) orange, 1 (b) 9 (c) 1
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a-27. at an aunts wedding, nicolas collected data about an ice sculptur…
a. $y =-\frac{5}{2}x + 10$ b. $12.5$ inches
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a survey of 150 people at a local high school about playing video games…
The $P(\text{junior and video games}) = 32\%$, the two events are not independent.
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a two - way frequency table shows grades for students in college and st…
No, P(high school ∩ GPA above 3.0) ≠ P(high school)·P(GPA above 3.0)
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the activity preference of teachers and librarians is given in the tabl…
P(librarian and chooses movie)
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carson drives to school the same way each day, and there are two indepe…
14%
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7 multiple choice 0 points what does hipaa stand for? health insurance …
Health Insurance Portability and Accountability Act
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three hundred high school seniors were surveyed about their intended co…
10%
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which r - value represents the strongest negative correlation? 0.9 0.38…
- 0.7
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a-26. the graph below compares the age and the number of pets for a cer…
There is a non - linear association. Initially, as age increases from approximately 25 to 40 years, there is a positive association between age and the number of pets. After 40 ye…
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the table shows the temperature of an amount of water set on a stove to…
Approximately 5.68 minutes
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the six statements about logos and ethos below. for a statement that is…
1. True 2. False 3. True 4. True 5. True 6. False
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the graph and table shows the relationship between y, the number of wor…
2,250
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which table shows a negative correlation?
The fourth table shows a negative correlation.
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payton collected data to show the relationship between the number of ho…
-4.5
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joeys first 13 quiz grades in a marking period are listed here. 82, 93,…
83 D. About half of Joey's quiz scores are greater than the median, and about half are less.
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melinda works at a cafe. each day that she works, she records x, the to…
$26$
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directions: use a copy of the declaration of independence to answer the…
1. July 4, 1776 2. To break free from British rule and assert sovereignty 3. All individuals are born with equal natural rights 4. Life, liberty, and the pursuit of happiness; Per…
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twenty - six football players ran a lap after practice. their lap times…
$78.5$
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the graph shows the relationship between the number of ounces of cereal…
none
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complete the statement. the range of values for the correlation coeffic…
$-1$; $1$
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a line of best fit is f(x)=-0.86x + 13.5 for the set of points in the t…
-2
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complete the statements. a positive relationship between two variables …
1. increases 2. decreases
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suppose that the cumulative relative frequency table below shows the da…
76
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analyze the table representing five experiments with an increasing numb…
With more trials, the frequency of heads up will equal the frequency of tails up.
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suppose that the cumulative relative frequency table below shows the da…
75
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which word means the opposite of permettre? vivre commettre interdire o…
interdire
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suppose that the cumulative relative frequency table below shows the da…
75
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what does the italicized word mean in the following sentence? il faut o…
to open
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latasha was presented with the following data set and argued that there…
LaTasha is correct. There is no linear correlation between \(x\) and \(y\) as the slope of the regression line is \(0\).
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suppose that the frequency table below contains data on female life exp…
77
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kardal did a study to determine the correlation between mens heights, x…
No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted.
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heather is training for a long - distance run. her data points listed b…
$4.9$
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which temperature values would an interpolation be limited to? less tha…
between 3 and 60
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john sells frozen fruit bars at a stand in a park during the summer mon…
There are approximately 1 more fruit bars sold for every 1 degree the temperature rises.
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use the regression line for the data in the scatter - plot to answer th…
$\frac{1}{2}$ of a goal
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indicate whether each of the following two questions is a statistical q…
a. Not a statistical question. There is no variability in the answer for the weight of a single dog. b. Statistical question. There is variability in the weights of different dogs…
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4. how many articles are in the english bill of rights? * 10 13 20 3 5.…
4. B. 13 5. B. James Madison 6. D. Successor
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28 refers to a prediction about the probability of an event based on th…
C. The availability heuristic
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which scenarios have a negative correlation? check all that apply. the …
- the number of calories consumed and the amount of weight lost by a person - the thickness of the ice on a lake and the likelihood of falling through the ice
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davis performed an experiment in which he spun a 4 - color spinner 20 t…
No. The frequencies and probabilities for red and green segments might change in the next experiment.
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sarah and david are high school volunteers in the hospital. during thei…
1. Yes, their conversation violated HIPAA. 2. A private, secure room away from public areas. 3. It means using only the required amount of protected health information; they share…
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lesson 5 suffixes a suffix added to the end of a base - word changes th…
1. careful, full of care 2. truthful, full of truth 3. famous, full of fame 4. soften, to make soft 5. downward, in the direction of down 6. lightness, quality of being light 7. e…
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which scatterplot shows no correlation?
The scatter - plot where the points are most randomly distributed without any upward, downward, or curved trend shows no correlation. Without specific labels for each plot, it's n…
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ancient sumer why do historians classify ancient sumer as a civilizatio…
Historians classify ancient Sumer as a civilization because it had complex city - states, a writing system (cuneiform), advanced agriculture, social hierarchies, and religious ins…
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for the pair of quantities given, decide if they are likely to be posit…
positively correlated; increases
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select \spin\ to start the spinner. perform the experiment by spinning …
purple; $\frac{3}{7}$
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what is the diagram of the independent and dependent variables called? …
A. scatter plot
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set b choosing the right word select the boldface word that better comp…
1. prattling 2. latent 3. accomplices 4. morose 5. annihilated 6. opaque 7. exodus 8. stagnant 9. succumb 10. brazen 11. prattle 12. brazen
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mason practiced basketball free throws and kept track of the results in…
Mason compared the number of free throws made to the number of free throws missed.
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1 indicate whether each of the following two questions is a statistical…
1. a. Not a statistical question. b. Statistical question. 2. Numerical.
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select the correct answer from each drop - down menu. let b(t) be the n…
30 means that after 9 months the number of unread books remaining is 30.
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is the phrase in bold a direct object, an indirect object, or neither? …
B. indirect object
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devin recorded the number of hours he played a video game, x, and the l…
$3.0$
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completing the sentence choose the word from the word - bank that best …
1. incorrigible 2. facilitate 3. servitude 4. reprimand 5. arbitrary 6. catalyst 7. militant 8. slapdash 9. paramount 10. rebut
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the regression calculator shows the relationship between the hours devi…
5
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british perspective questions 1. why did british soldiers make their wa…
1. To take control of munitions and arrest Sam Adams. Their second - goal was related to suppressing the rebellion. 2. With the greatest speed and confidentiality. 3. The colonist…
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read the following text from a folktale. this excerpt is about aladdin.…
Aladdin was idle, disobedient, and treated his mother poorly.
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which statements about experimental probability are true? experimental …
- Experimental probability is written as a ratio. - Experimental probability is found by conducting trials of an experiment. - Experimental probability includes the number of time…
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read the passage. the debate over whether online friendships can rival …
While in - person friendships have unique benefits, online friendships can be equally meaningful.
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1. for each of the following, determine whether the question is a stati…
a. Not a statistical question b. Not a statistical question c. Statistical question d. Statistical question e. Statistical question f. Statistical question g. Statistical question…
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2. given the table, determine whether the amount of money earned is pro…
The amount of money earned is proportional to the number of hours worked. The constant of proportionality is $6.5$, which means the hourly wage is $6.5$ dollars per hour.
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1. decide whether the following questions are statistical questions. gi…
1. All of a, b, c, d, e are statistical questions due to data variability. 2. a. How many pets do the teachers in our school have? b. How many points did the high - school soccer …
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rita is starting a running program. the table shows the total number of…
\(y\approx1.671x + 4.700\)
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3. answer these questions based on the graph above. a. how much rain fe…
a. 2 inches b. 4 inches c. 1990 d. May
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question 28, r3.6.39 part 1 of 2 the average, or mean, t, of three exam…
(a) $r = 3T - z - w$ (b) $86$
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the personal distribution of income in the united states shows that the…
The richest 20 percent of individuals receive approximately 50 percent of total income.
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14. communication a panel of hockey analysts gives 8 to 1 odds against …
The Montreal Canadiens are more likely to win the Stanley Cup because their probability of winning ($\frac{1}{9}\approx0.111$) is higher than that of the Vancouver Canucks ($\frac…
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select the word that means very noisy and lively. for robotics competit…
boisterous
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match the scenario to the probability of it occuring. flipping a coin t…
flipping a coin to get tails up: $\frac{1}{2}$ pulling a white marble from a bag of 2 white marbles and 4 red marbles: $\frac{1}{3}$ rolling a 3 on a number cube: $\frac{1}{6}$ sp…
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select the word that means the right to vote. the twenty - sixth amendm…
Suffrage
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grace was offered a job after college earning a salary of $30,000. she …
$38000$