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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the given jar contains yellow (y), blue (b), and red (r) balls. anne ra…
The odds against yellow are $\boldsymbol{8}$ to $\boldsymbol{3}$.
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iris picked a bucket of raspberries to make jam. the table shows the cu…
negative
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the base of a triangle is fixed at 2.218 millimeters. determine the num…
The number of significant figures of the area is 3.
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use the letter a to represent the age that the campers can be. to be in…
Soccer Team: \( a < 12 \) Coding Club: \( a \geq 10 \)
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find the possible range for the length of the pencil using the correct …
A) 4.0 to 5.5 in.
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determine the number of significant digits in 101.01
5
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multiply. write your answer in simplest form. \\(\\frac{5q^2 - 8q + 3}{…
\(\frac{5a^2(5a - 3)}{4(a - 1)}\) (ou \(\frac{25a^3 - 15a^2}{4a - 4}\) après distribution du dénominateur)
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jasmine is hiking at a state park. her distance from home, y, is a func…
\( b = 8 \)
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the following text is from yann martels 2001 novel life of pi. the narr…
A. Extended
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bicycles an assembly line supervisor weighs three 25 - pound bicycle fr…
- Bicycle A: 0.11 lb - Bicycle B: 0.01 lb - Bicycle C: 0.64 lb
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m7|l9 solutions of inequalities canoe club between 8 and 15 years old s…
The first box (after "Canoe Club:") should have \( a > 8 \) and the second part (after "and") should have \( a < 15 \). So the filled - in would be: Canoe Club: \( a > 8 \) and \(…
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b. select the possible range for the cost, c, of the materials needed t…
D. \( \$11,069.38 \leq c < \$11,431.88 \)
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text 1 movies based on books are never as good as the original stories.…
C. By insisting that movies based on books are not meant to duplicate the books but to complement them
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17) the random variable x represents the number of cars per household i…
0.553
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jasmine is hiking at a state park. her distance from home, y, is a func…
The first blank is \( 12 \) and the second blank is \( 2 \), so the filled - in equation is \( 12 = 2(2)+b \)
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jasmine is hiking at a state park. her distance from home, y, is a func…
\(2\)
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the english spoken in the united states today is very different from th…
C. evolving
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in passage 1, how does paragraph 2 impact the meaning of the text? it e…
It sets the historical context for the space race in the 1960s, emphasizing the competition between the United States and Russia.
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jasmine is hiking at a state park. her distance from home, y, is a func…
2
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2 practice 2 b. (2.5, 5.95) residual = c. (0, 3.72) residual = d. (1.5,…
To calculate the residual, we use the formula: Residual = Observed value - Predicted value. However, the problem is missing the **regression equation** (or predicted value functio…
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owen stops at a gas station. he pays for gas and a car wash. the table …
The rate of change is \(\boldsymbol{4}\). It represents the cost of one gallon of gas.
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a rough road 4 people were excited. rabbit creek was renamed bonanza. d…
D. quickly increased
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owen stops at a gas station. he pays for gas and a car wash. the table …
The initial value is \( 10 \). It represents the cost of the car wash.
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on an island, the deer population has been decreasing by 4% per year (t…
D. \( t = \log_{0.96} 0.85 \)
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let a and b be independent events with p(a) = 0.6 and p(b) = 0.3. compl…
The conditional probability of \( A \) given \( B \) is \( 0.6 \), and the conditional probability of \( B \) given \( A \) is \( 0.3 \).
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section ii: free response show all your work. 1. you are interested in …
Yes, 151 is an outlier. Justification: Using the IQR method, \(Q_1 = 30\), \(Q_3 = 78\), \(IQR=48\). Upper fence \(=78 + 1.5\times48=150\). Since \(151>150\), 151 is an outlier. F…
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plots of the residuals for two different models of the same data set ar…
The graph labeled B (the second graph) represents the residuals from a model that fits its data best, as its residuals are more randomly scattered with no apparent pattern, indica…
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3 jacob and his classmate are competing to see who can earn more pbis p…
B. Jacob's classmate earns more PBIS points per week than Jacob.
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the graph below shows a relationship between x and y. which function is…
\( y = -x + 8 \)
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coach nance gave us her projection for the conditions at the track meet…
forecast (the option corresponding to "forecast" among the choices, likely the last radio button option labeled "forecast")
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select the underlined sentence in the paragraph below that provides the…
Nobody in the club knew anything about baking.
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in the last paragraph of they, the one beginning \other uses...\, the w…
B. all - purpose
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16) in the california state lottery, you must select six numbers from f…
The probability is \(\frac{1}{20358520}\) (or approximately \(4.91\times10^{-8}\))
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in french club, we brainstormed ideas for raising money for a trip next…
3. It is completely impossible to carry out.
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read the sentence below and the directions that follow. while she was w…
confirm something is accurate
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(8) (10,0): nick could buy 10 hotdogs and 0 hamburgers c (5,0): nick co…
(c) The correct option is the one where Nick could buy 0 hotdogs and the corresponding number of hamburgers. For example, if the correct option is D: (0,5): Nick could buy 0 hotdo…
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2. as of 2018 the world population is 7.616 billion people and is growi…
\( P(t) = 7.616(1.0114)^t \) ### Problem 2 (b)
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read the paragraph below. click two underlined sentences that provide c…
1. It looked like their hands actually touched it at the same time. 2. Since neither of them touched it first, they had to need a coin to decide who should get it.
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read the excerpt from \a wagner matinee\ by willa cather from the time …
A. apprehension
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the root bel means war. what does the word bellicose mean? hostile gene…
A. hostile
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the root fic or fac means do or make. what does the word prolific mean?…
A. productive or fruitful
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the root chron means time. what does the word chronic mean? happening i…
B. happening frequently or for a long duration (assuming the middle option is B, with the options labeled as A, B, C where A is "happening in a way that is difficult to believe", …
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the root jur means law. what does the word jurisdiction mean? a locatio…
B. a location over which a governing body legally has power
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in science class today, ariel gave a speech against using fossil fuels …
denied the truth of
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the root junc means join. what does the word conjunct mean? given out g…
united
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the root min means small. what does the word minuet mean? a dance invol…
a dance involving short, dainty steps
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the root cred means trust or believe. what does the word incredulous me…
unwilling to accept something as true
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larry took his new puppy, belle, to the veterinarian. before the visit,…
5.0%
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a hole is filling a tank. the graph shows the amount of water (in liter…
(a) \(\boldsymbol{150}\) liters (b) The correct statement is "As time increases, the amount of water in the tank increases." and the rate of increase is \(\boldsymbol{50}\) liters…
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read the poem. hegira by georgia douglas johnson georgia douglas johnso…
hazardous
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4 how did powerful families such as the medici help spread renaissance …
c. They provided financial support to young artists and writers ### Question 5
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what do you notice in the painting? - that 3 men are fighting - lots of…
Social Science - Religion
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paula was buying candy from a candy dispenser. she inserted a quarter a…
28.6%
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stacy’s time in her 50-meter freestyle race as measured with a stopwatc…
0.1%
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the following text is from yann martel’s 2001 novel life of pi. the nar…
A. Extended
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a bakery tracked the types of egg sandwiches sold. egg sandwich sales \…
Of the sandwiches on everything bagels, 50% had bacon. (The option corresponding to this statement, assuming the options are labeled as above, e.g., if this is the third option, i…
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10. the tables below show the input and output values of four different…
B (g(x)) ### Question 11 (Mathematics - Subfield: Statistics (Population and Sample, Parameters and Statistics)) #### Part (a)
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6. the overall shape of this distribution is a. roughly symmetric b. un…
A. roughly symmetric ### Question 7
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judy is baking desserts for a potluck. at least 34 servings of dessert …
\(14x + 9y \geq 34\)
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my assignments in the zuni or the american southwest, meanwhile, have l…
D. They reestablish your place at home and among family. Wait, no, re - evaluating: The text says "These homecoming rituals affirm and renew a person’s place in the family... Home…
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the graph shows marc’s distance from a motion detector with respect to …
The fastest Marc walked was when he was walking towards the motion detector.
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read the passage. excerpt from the \conclusion\ section of walden by he…
The option: "The setting sun is reflected from the windows of the almshouse as brightly as from the rich man’s abode; …"
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perspective, then it’s not the most precise word in context. only one o…
A. Characteristic
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consider the data in the table shown. select all the descriptions that …
The rate of change is 1, The data represents a linear relationship
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our physical surroundings play an important role in creating meaning an…
D. a place that has a special importance to you
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an electronics store is having a big clearance sale. the table represen…
For the y - axis (vertical axis) label: Televisions in stock For the x - axis (horizontal axis) label: Hours
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final test \hoy\ means: today. ○ true ○ false
A. True
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what is the rate of change of the function represented by this graph? g…
$0.25 per item
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georgia douglas johnson wrote many plays in the 1920s and 1930s. at the…
A. an opportunity for Johnson to get feedback on her plays.
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\los meses del año\ means: the seasons of the year the months of the ye…
B. The months of the year.
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\la fecha de hoy\ means: todays date is... true false
False
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while christmas playlists often include cheesy favorites like ockin’ ar…
C. returning to the place you call home.
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voters political orientation, level of political information, and proba…
A. At each point on the political orientation scale, high - information voters were more likely than low - information voters to vote.
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the table represents the cost for oranges in mr. nguyens store. number …
\(\{1, 2, 3, 4, \dots\}\) (the second option among the given choices)
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at a delivery company, the cost for mailing a package depends on its we…
\(10\leq y\leq40\) (corresponding to the option "10 ≤ y ≤ 40")
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how many slides should a presentation include? * a. almost none b. at l…
d. Only enough to present important information clearly ### Second Question:
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6 in line 27 of the poem, the phrase \good fences make good neighbors\ …
C. show that the neighbor relies on tradition to live his life ### Question 7
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natures clean is a company that sells handmade bars of soap. the compan…
how many bars of soap the company can sell and exactly break even
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16) in the california state lottery, you must select six numbers from f…
The probability is \(\frac{1}{20358520}\)
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the population of afghanistan in 2016 was about 33.4 million. the popul…
44.1 million
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h₁: μ ≠ 8.5 claim this hypothesis test is a two - tailed test. part: 1 …
- 1.96, 1.96
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moviegoers the average \moviegoer\ sees 8.5 movies a year. a moviegoer …
$H_0: \mu = 8.5$ (not the claim), $H_1: \mu eq 8.5$ (claim). This hypothesis test is a two - tailed test.
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21 a population of bacteria in a controlled environment is modeled by t…
C. \( 2000 = 1000 \cdot 2^{0.03t} \) ### Part (b)
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d. how many boys had a pulse rate of at most 82? 3. the height’s of 20 …
The spread (range) of the data is 16. ### Part c)
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question 1-6 5 points given the data set below, find the mean, median, …
- Mean: \(\approx 7.46\) - Median: \(7\) - Mode: \(9\) - Range: \(24\) - IQR: \(6.5\)
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harrison conducted research and found a correlation between the time on…
A. The less a person listens to heavy metal music, the more books he or she reads.
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4 complete the statement. car b travels farther than car a in a given t…
farther
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read the excerpt from \paper pills\ in winesburg, ohio by sherwood ande…
A. has inner qualities that make him admirable
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no additional details were added for this view submission read the exce…
A. confuse
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saq zyr box-and-whisker plots: a way of show the range of the data amon…
s: 1. Median of Plot A: 65; Median of Plot B: 70 2. Plot with lesser range: Plot A 3. Plot with greater IQR: Plot B 4. Upper quartile of Plot A: 80; Upper quartile of Plot B: 85 5…
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which of the following correlation coefficients would a statistician kn…
+1.1 (the option with +1.1)
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citing evidence: informational text — quiz — level h like hers, living …
First dropdown: black Second dropdown: black girlhood Third dropdown: books Fourth dropdown: relevant
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question 1-4 3 points an amusement park wants to create a graphical dis…
A. Bar Graph, C. Histogram, E. Dot Plot
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1 point given the data sets below, rank them in order from the lowest t…
C, B, A
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dot plot worksheet name 1. the students in one social studies class wer…
1a. 1 1b. 3 1c. 10 2a. 6 2b. 9 2c. 4
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choose the best idea to add to a summary of \you, in the game.\ - many …
A. Many video game players like making and using avatars
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1 point given the data sets below, rank them in order from the lowest t…
A, C, B
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question 9/24 9 using the equation 1.02^t = 2, solve for t. round to th…
\(35\)
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select all the following that show a negative correlation. - amount of …
- Cardio exercise and weight - Insulation in your house and your heating bill - Taking less A.P. classes and stress
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given the data below, determine the correct statement comparing the mea…
Mean < Median