统计与概率
数据分析、概率分布、假设检验与统计方法。
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describe the type of correlation each scatter plot shows. draw a trend …
La correlación es positiva.
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look around the room and write two sentences using some new p (on, next…
1. The window is next to the chair. 2. The chair is under the window.
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the tragedy of julius caesar, part 3: drawing conclusions quiz complete…
Mark Antony's life will be spared because he will be useless without Caesar.
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boondoggling out of the depression creating connections social studies:…
B. explain how the term *boondoggle* changed from its original meaning as a result of the Great Depression
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the venn diagram on the right shows the results of a gfk roper public a…
A. The statement is true.
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fill in the blank so that the resulting statement is true. in survey pr…
not
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in a survey of 150 students, 80 were taking mathematics and 10 were tak…
a) \(0\) b) \(10\) c) \(70\)
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a math tutor working with a small study group has classified students i…
B. \{Hui, Oli, Gus, Ny, Pat\}
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a pollster conducting a telephone poll of a citys residents asked two q…
- b. C. I and II - c. C. I - d. C. II
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use the accompanying venn diagram, which shows the number of elements i…
Region I has \(26\) element(s). Region III has \(19\) element(s). Region IV has \(9\) element(s).
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3. why did northern industrialists support protective tariffs? a) tarif…
3. a) Tariffs raised the cost of European goods so more people would buy American goods 4. c) The Supreme Court used a broad interpretation of the Constitution to expand federal p…
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an anonymous survey of college students was taken to determine behavior…
a) \(1350\) b) \(933\) c) \(416\) d) \(328\) e) \(301\) f) \(366\) g) \(1144\)
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the scatterplot shows how many miles marissa jogged over 10 days. which…
Marissa jogged 5 miles on the first day, Marissa jogged 3 miles on the ninth day.
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a math tutor working with a small study group has classified students i…
B. \(\{Pat, Ken, Mel, Lon, Jen, Eva, Oli\}\)
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use the venn diagram to the right to determine the cardinality. $n(acap…
\(n(A\cap B)=1\)
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one hundred adults were asked to name their favorite sport, and the res…
\(57\)
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one hundred adults were asked to name their favorite sport, and the res…
Basketball was preferred by most adults. The percentage is \(38\%\).
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a store manager is looking at past jewelry sales to determine what size…
1.15
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the dot plot represents the amount of rain recorded by rain gauges in d…
16
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brents after - school game club has 12 members from which a six - membe…
Brent’s club has more possible team combinations because there are more members to choose from.
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the graph represents the distribution of the number of questions answer…
4
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a conditional relative frequency table is generated by row from a set o…
There is likely an association between the categorical variables because the relative frequencies are similar in value.
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pedro has determined that the probability his shot will score in a lacr…
0.09
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the data set represents the total number of tickets each person purchas…
1.5
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the residents of three towns were polled to find the percentage of resi…
$25\%$
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a group of campers were polled about whether they like swimming and whe…
A. \(a = 15\), B. \(b = 18\), E. \(e = 31\)
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which could be a conditional relative frequency table? a b total c 0.25…
The second table (where for row \(C\): \(0.25 + 0.75=1.0\) and for row \(D\): \(0.35 + 0.65 = 1.0\)) is the conditional relative frequency table.
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the spinner is equally likely to land on any of the six sections. what …
\(\frac{2}{3}\)
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the store owner converts the frequency table to a conditional relative …
0.92
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in a standard deck of cards there are 13 spades, 13 clubs, 13 hearts, a…
\(\frac{1}{8}\) (corresponding to the first option)
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which is an example of a student practicing ethical behavior online? zo…
Zohar abides by his school’s Internet policy and does not visit questionable websites.
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the box plots compare the exam scores of ms. dobsons class to the rest …
Ms. Dobson's class has a smaller range of scores. The district has a greater interquartile range.
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ms. johnson uses a statistics program to analyze all the data collected…
6.3 (corresponding to the fourth option)
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the venn diagram shows the number of patients seen at a pediatricians o…
36
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question 12 1.5 pts instagrams network of creators allows businesses to…
- Question 12: All of the above - Question 13: true - Question 14: true
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the dot plot shows the number of words students spelled correctly on a …
The graph is nearly symmetrical.
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the diagram shows the number of children who have ever used motorized s…
motor ∩ bicycle
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the data set represents the total number of people who bought bananas e…
The first box - plot (with whisker from \(1\) to \(12\), box from \(3\) to \(9\) and median line at \(7\))
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the graph shows the distribution of hand lengths, in centimeters, of th…
\(4\)
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the graph represents a distribution of data. what is the mean of the da…
\(50\)
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a group of 120 people were asked whether their income level is above or…
\(a = 34,b = 18,c = 68\)
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the weather report states that the probability it will rain on wednesda…
18 percent
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yolanda wanted to see if there was a connection between red hair and gr…
\(x = 14\%\)
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eighty members of a bike club were asked whether they like touring bike…
\(a = 42\), \(b = 5\), \(c = 28\), \(d = 33\), \(e = 10\)
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the graph shows a distribution of data with a standard deviation of 6. …
It is within 2 standard deviations of the mean.
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a coach chooses six out of eight players to go to a skills workshop. if…
C. 28
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the box plot represents the number of math problems on the quizzes for …
10
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the table shows the probabilities of certain prizes in a restaurants co…
It increases the mean value of the prizes.
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which data set has an outlier? 6, 13, 13, 15, 15, 18, 18, 22 4, 4, 4, 8…
\(2,3,5,7,8,8,9,10,12,17\)
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the data set represents the number of snails that each person counted o…
A. 6
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the table shows the results of a survey of 400 random people on whether…
$\frac{100}{400}$
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which events are independent? select three options. roll a number cube,…
Roll a number cube, and then roll the same number cube again; Flip a coin, and then flip the coin a second time; Draw a card from a deck, replace it, and then draw a second card.
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a bicycle manufacturer is studying the reliability of one of its models…
\(3\) percent.
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students in a class were surveyed about the number of children in their…
\(\frac{1}{50}\)
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an amusement park reports that the probability of a visitor riding its …
\(P(\text{largest or smallest})=0.30 + 0.20-0.15\) (the third option)
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which scenario depicts two independent events? the school play opens to…
The school play opens tonight and it is raining.
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the people who responded to a survey reported that they had either brow…
\(\frac{13}{25}\)
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a bag contains eleven equally sized marbles, which are numbered. two ma…
\(\frac{24}{121}\) (the second option)
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a six - sided number cube is rolled twice. what is the probability that…
\(\frac{1}{6}\) (the first option)
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analyzing the effect of imagery on meaning read the passage. then answe…
being carried by the wind
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analyzing the effect of imagery on meaning read the passage. then answe…
A fight or disturbance.
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this graph shows a tank filling with water over a period of time. write…
The equation of the linear function is $y=\frac{1}{3}x + 3$. The y - intercept (3) means that initially (at time $x = 0$ hours), there are 3 gallons of water in the holding tank.
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determine the standard deviation for the following set of data 4, 1, 4,…
$3.5$
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read the quote from the ways and means committee of the house. a tax bi…
The Senate votes on the bill.
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analyzing the effect of imagery on meaning read the passage. then answe…
Portia wishes for help to keep from saying what she knows and feels.
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look at the pie chart and choose the best answer.1. main idea what is a…
1. d. How Sujin Spends Her Time 2. b. 40% 3. a. 25% 4. d. 10% 5. c. exercise, volunteer, and spend time with friends and family
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36. paying your income taxes on an ongoing basis means a. taxes will be…
- 36. d. All of the above - 37. c. The form of taxation adopted by the U.S. that taxes its citizens based on their incomes, taxing the wealthy at a higher rate -- the higher your …
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\he turned to his brother. im sorry, reggie. i know you wanted me to fo…
D. to praise or celebrate someone
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question #8 a normally distributed population has a mean of 500 and a s…
\(Q1:399\), \(Q3:601\) These are the two values that the middle \(50\%\) of data lies between. ### Question #9
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a population is normally distributed with a mean of $432 and a standard…
Question #5: 553 Question #6: 89691 Question #7: 2209
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question #3 what is the missing value of the bell curve below? 38 41 ? …
Question #3: \(44\) Question #4: \(56\)
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what is the meaning of the greek root mega (example: megaphone)?
Large
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question 7 points 3 what is the meaning of the prefix ante - (example: …
C. Before
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question #1 for a population that is distributed normally with a mean o…
Question #1: \(47.5\%\) Question #2: \(97.5\%\)
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put the following steps of using word parts in order. i. look for a pre…
IV, III, I, V, II
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question 1 points 3 what is the meaning of the latin root cred (example…
C. Believe
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find the expected value ($\\mu$) of the random variable with the given …
$0.8$
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the table below gives the probability density of balls remaining for a …
\(0.48\)
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the table below gives the probability density for blood types in a popu…
\(0.69\)
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in a certain orchard, the number of apples (a) on a tree is normally di…
\(15.85\)
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find the probability of exactly 4 successes in 6 trials of a binomial e…
\(13.8\%\)
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find the probability of no successes in six trials of a binomial experi…
\(11.8\)
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which of the following is the most biased type of sample? systematic sa…
convenience sample
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which of the following is a survey given to those who are easy to conta…
convenience sample
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based on the nuance in the sentence below, what does genial mean? the y…
C. pleasant
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find the standard deviation, \\( \\sigma \\), of the data. 251, 224, 23…
\(15.2\)
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find the variance of the data. 251, 224, 237, 255, 268 \\( \\overline {…
\(230\)
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find the mean, $overline{x}$, of the data. 251, 224, 237, 255, 268 $ove…
\(247\)
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find the standard deviation, \\( \\sigma \\), of the data. 95, 80, 191,…
\(38.7\)
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based on the nuance in the sentence below, what does petite mean? she w…
small
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find the variance of the data. 95, 80, 191, 86, 122, 86 \\( \\overline …
\(1497\)
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find the mean, \\(overline { x }\\), of the data. 95, 80, 191, 86, 122,…
\(110\)
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here are bruces highest point totals for the past 13 seasons: 45, 16, 1…
\(17.5\)
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essential question: how can we use our understanding of solving equatio…
The value of $n$ is $30$. This means that when there are $30$ students going on the trip, the total cost of the trip (bus cost plus student - ticket costs) is equal to the given t…
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an animal is randomly selected from this table. what is the probability…
\(\frac{3}{23}\)
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an animal is randomly selected from this table. what is the probability…
\(\frac{5}{8}\)
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based on the diagram, has petes business broken even (meaning, covered …
Yes
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candy crunch after the costume party, the kids in the class counted the…
1. The incomplete candy icon stands for \(4\) students. 2. \(36\) students collected either 85 or 90 pieces of candy. 3. \(60\) students collected less than 100 pieces of candy. 4…
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find the probability that event a or b will occur. p(a or b) =
\(\frac{16}{21}\)
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a bag contains 42 red, 45 green, 20 yellow, and 32 purple candy. you pi…
\(\frac{65}{139}\)