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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a newspaper published an article about a study in which researchers sub…
C. \(H_0: p_1 = p_2\), \(H_1: p_1 > p_2\)
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a newspaper published an article about a study in which researchers sub…
C. \( H_0: p_1 = p_2 \), \( H_1: p_1 > p_2 \)
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a newspaper published an article about a study in which researchers sub…
C. \(H_0:p_1 = p_2\), \(H_1:p_1>p_2\) ### Second Sub - Question (Test Statistic)
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gender | percent supporting obama | percent supporting romney men | 42%…
A. Women are more likely than men to support Democrats (Obama).
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a newspaper published an article about a study in which researchers sub…
C. \( H_0: p_1 = p_2 \), \( H_1: p_1 > p_2 \)
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what percentage of the shape is orange? write your answer using a perce…
100%
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what percentage of the shape is orange? write your answer using a perce…
40%
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select the passage that has a more interrogating tone. rose maylie had …
The second passage (starting with "Then there was the peculiar dying reference to a rat...")
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weed it and weep mrs. alvarez knocked on my door. \grayson, would you c…
The clue "very few weeds" (from the story text: "I'm hoping to come back to an abundant crop of flowers, but very few weeds") helps, as it contrasts with "abundant" to show it mea…
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what percentage of the shape is orange? write your answer using a perce…
64%
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weed it and weep mrs. alvarez knocked on my door. “grayson, would you c…
A. large in amount
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two friends, andrew and mei mei, had just bought their first cars. andr…
The correct difference should be $12.2$ (but the given box has $15$, which is incorrect based on the provided numbers). However, following the calculation steps: Andrew's mpg = 15…
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two friends, dominic and elijah, had just bought their first cars. domi…
The correct number is 26, and the dropdown option is "more". So the statement is: Dominic can travel \boxed{26} miles more than Elijah on one gallon of gas.
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to borrow money, you pawn your guitar. based on the value of the guitar…
26
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5. identify the following correlations based on the images below.
First graph: Weak Negative Correlation Second graph: Strong Negative Correlation Third graph: No Correlation (Zero Correlation) Fourth graph: Weak Positive Correlation
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question 8 (workbook): lin charges $5.50 per hour to babysit. the amoun…
-1 (the option with -1)
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a bag with 6 marbles has 3 red marbles, 1 blue marble, and 2 yellow mar…
\(\frac{1}{2}\)
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isaiah conducted a scientific experiment. for a certain time, the tempe…
The temperature rise in one hour is 44 degrees. The values for the double - number line are: on the minutes line (the first box) is 5, on the degrees line (the first box) is $3\fr…
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here are some facts about units of weight. unit | symbol | fact ounce |…
For \(32\) oz \(=\square\) lb, the answer is \(2\). For \(9\) T \(=\square\) lb, the answer is \(18000\).
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what is the meaning of \forefather\ in these sentences? raquel has a fa…
a family member who lived before you
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is this a possible graph of periodic phenomena? (1 point) yes, because …
B. Yes, because the graph appears to have a cycle that repeats at regular intervals.
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completar el espacio en blanco 1 punto question 7a (workbook): from 200…
1500
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add: 9 + 15 + 17 + -13 + -44 = submit
$-16$
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the lunch special at gregs restaurant is a sandwich, a drink and a dess…
\(9\)
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the height of a rider on a ferris wheel can be represented as a periodi…
B. 1 minute
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drag the correct label to where it should be on the worksheet. chart ti…
- "Quarterly Tour Expenses" → Chart Title - Vertical side labels → Vertical Axis Labels - "Tour Countries" → Horizontal Axis Title - Series legend → Legend - Chart bars → Data Mar…
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which description depicts a periodic scenario? (1 point) ○ the height o…
the distance of a metronome from center as it keeps time
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what is the meaning of \irreplaceable\ in these sentences? the dinosaur…
cannot be traded for something equal
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height (inches) -36- time (seconds) what does the x-axis represent in t…
A. the height of the yo - yo user's hand
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make a word that means \to look ahead and picture something before it h…
foresee
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an ice cream shop took inventory of their ice cream at the end of a shi…
$\frac{8}{3}$ (or $2\frac{2}{3}$)
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some campers participated in a relay race. they werent allowed to run, …
\(\frac{45}{17}\) (or \(2\frac{11}{17}\))
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a group of culinary students baked pies and sampled the results. afterw…
1
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does this graph appear to model a periodic situation? (1 point) option …
Maybe. Without seeing more than one cycle, it is unclear what happens out to the left and out to the right.
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a renovation project required 3/5 of a truck-load of sand, 3/10 of a tr…
$\frac{3}{2}$ (or 1.5)
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use the two scatterplots below to answer question 6. a) scatter plot a …
Scatter plot A has the stronger positive correlation because its points are more closely clustered around an upward - sloping line, indicating a stronger linear relationship betwe…
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what does \irresponsible\ mean? not able to make good decisions likely …
The option "not able to make good decisions" (assuming the options are labeled as follows, for example, if the top - right option is considered: the option with text "not able to …
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which description depicts a periodic scenario? (1 point) the height of …
the water level as the tide flows in and out
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myra did a running drill to get in shape for soccer season. first, myra…
$\frac{7}{3}$ (or $2\frac{1}{3}$)
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Question was provided via image upload.
\(\frac{29}{21}\) (or \(1\frac{8}{21}\))
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a spaceship traveled 1/2 of a light-year from earth to planet x and 1/3…
$\frac{7}{6}$
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a construction company ordered 4/7 of a ton of concrete, 5/7 of a ton o…
$\frac{12}{7}$ (or $1\frac{5}{7}$)
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while cooking a stew, rodrigo used 2/3 of a shaker of salt and 1/2 of a…
$\frac{1}{6}$
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what does \forethought\ mean? still thinking about something that ended…
The option "thinking before doing something" (the bottom - right option among the four choices).
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troy drank 1/2 of a glass of water in the morning and 4/5 of a glass in…
$1\frac{3}{10}$
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in the largest clinical trial ever conducted, 401,974 children were ran…
B. The requirements are satisfied; the samples are simple random samples that are independent, and for each of the two groups, the number of successes is at least 5 and the number…
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last week charlotte and her roommates ate 3/8 of a carton of yogurt, an…
\(\frac{1}{8}\)
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at charlottes vacation wear, 1/6 of the garments are bikinis and 1/6 ar…
$\frac{1}{3}$
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Question was provided via image upload.
\(\frac{3}{10}\)
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twenty-two percent of the large pieces of mail that rachel received thi…
28% (the option with "28%")
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meg began her pizza delivery route with 2/3 of a tank of gas in her car…
$\frac{1}{3}$
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nadia’s bookshelf contains 10 fiction books, two reference books, and f…
$\frac{5}{136}$ (corresponding to the option $\frac{5}{136}$)
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a hat contains slips of paper with the names of the 26 other students i…
$\frac{24}{65}$ (the option with $\frac{24}{65}$)
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ariel added 3/4 of a cup of walnuts to a batch of trail mix. later, she…
$1\frac{1}{2}$ (ou $\frac{3}{2}$)
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a bag contains one red pen, four black pens, and three blue pens. two p…
0.21
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lori downloaded all the pictures she took at ritas wedding into a singl…
7% (the option with 7%)
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in the drawing, six out of every 10 tickets are winning tickets. of the…
$\frac{1}{5}$ (corresponding to the option with $\frac{1}{5}$)
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a study found that 23% of the cars manufactured last year were suvs, 13…
15% (corresponding to the option "15%")
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ai mi drove 372 miles in 6 hours. on average, how fast did she drive, i…
62
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use the venn diagram to calculate probabilities. which probability is c…
\( P(A) = \frac{3}{5} \) (the first option)
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which correlation coefficient does not belong with the other three? exp…
\(r = -0.09\) does not belong. The other three (\(r = -0.98\), \(r = 0.96\), \(r = 0.97\)) have absolute values close to 1 (strong linear relationships), while \(r = -0.09\) has a…
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use the venn diagram to calculate probabilities. which probability is c…
\( P(A) = \frac{3}{5} \) (the first option: \( P(A) = \frac{3}{5} \))
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which sentence best demonstrates the meaning of the word implore? choos…
D. "Dad, please don't wear that plaid sweat suit out in public," begged Amanda.
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hiro has a stack of cards with one number from the set 1, 1, 2, 2, 3, 3…
\(\frac{3}{28}\)
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8. which regression model would best fit the following scatterplots bel…
- Left Scatterplot: Quadratic Regression Model - Middle Scatterplot: Quadratic (or Logarithmic) Regression Model (Quadratic is more likely) - Right Scatterplot: Linear Regression …
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add. (1) $\frac{3}{10} + \frac{2}{15} =$ (2) $\frac{1}{12} + \frac{1}{1…
(1) \(\boldsymbol{\frac{13}{30}}\) (2) \(\boldsymbol{\frac{5}{36}}\) (3) \(\boldsymbol{\frac{13}{20}}\) (4) \(\boldsymbol{\frac{2}{15}}\) (5) \(\boldsymbol{\frac{5}{26}}\)
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determining if events are independent elias writes the numbers 1 throug…
C. yes, because the probability of choosing an odd number is equal to the probability of choosing an odd number given that the slip is yellow
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read the excerpt from julius caesar, act 2, scene 1. portia. brutus, my…
A. Portia is upset because Brutus is behaving as if something is wrong, and he will not confide in her.
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a bakery sells 8 lemon poppy muffins for every 40 bran muffins sold. wh…
B. | Lemon Poppy | Bran | |-------------|------| | 1 | 5 | | 2 | 10 | | 3 | 15 |
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at sangers auto garage, three out of every five cars brought in for ser…
\(\frac{12}{35}\)
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unit | symbol | fact fluid ounce | fl oz | cup | c | 1 c=8 fl oz pint |…
For \(8\ \text{pt}=\square\ \text{qt}\), the answer is \(4\). For \(7\ \text{c}=\square\ \text{fl oz}\), the answer is \(56\).
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at a hospital, 56 percent of the babies born are not girls. of the baby…
5%
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read the excerpt from act 2, scene 1, of julius caesar. portia. it will…
A. sincere
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1) \\(7 \\overline{)10,520}\\)
The result of \( 10.520 \div 7 \) (or \( 10,520 \div 7 \) if it's a whole number, but with the decimal, it's approximately) \( 1.5029 \) (or exactly \( 1 \frac{36}{70} = 1 \frac{1…
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a dentist polls his patients and finds that 83 percent brush their teet…
23% (corresponding to the option with "23%")
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calculating a probability using a venn diagram at mountain high school,…
\(\frac{9}{33}\) (corresponding to the option with this fraction, e.g., if the options are labeled, it would be the option with \(\frac{9}{33}\))
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calculating a probability using a venn diagram at mountain high school,…
# Explanation: ## Step1: Identify total in band To find the total number of students in band (B), we add the number of students only in band and those in both band and track. So, …
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read the excerpt from act 1, scene 2, of julius caesar. brutus. what me…
B. Brutus tells Cassius that Caesar should not be king.
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7. which correlation coefficient does not belong with the other three? …
\( r = -0.09 \) (because it represents a weak linear relationship, while the other three (\( r = -0.98 \), \( r = 0.96 \), \( r = 0.97 \)) represent strong linear relationships)
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e91b (8) (28, 42) → (9) (12, 21) → (10) (18, 24) → (11) (15, 25) → (12)…
(8) 84 (9) 84 (10) 72 (11) 75 (12) 120
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practice calculating and applying conditional probabilit what statement…
The correct statements are: - The conditional probability formula is \( P(X \mid Y) = \frac{P(X \cap Y)}{P(Y)} \). - The notation \( P(R \mid S) \) indicates the probability of ev…
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read the excerpt from julius caesar, act 2, scene 1. brutus. it must be…
The warm praise of the people can cause Caesar to be more powerful and dangerous.
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select the equations that show a proportional relationship between x an…
The equations \( y = 9x \) and \( y = 6x \) show a proportional relationship between \( x \) and \( y \) (as they are in the form \( y = kx \) with \( k = 9 \) and \( k = 6 \) res…
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select the equations that show a proportional relationship between x an…
Only \(y = 3x\) shows a proportional relationship between \(x\) and \(y\). So the correct equation is \(y = 3x\).
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read the excerpt from act 2, scene 1, of julius caesar. portia. brutus …
The correct option is the second one: Portia pleads with Brutus and says that she deserves to know what is wrong.
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at xochitl’s store, the cost of nine bars of soap is $33.09. at christi…
At Xochitl's store, \(\boldsymbol{1}\) bars of soap cost \(\boldsymbol{\$3.68}\). At Christian's store, \(\boldsymbol{1}\) bars of soap cost \(\boldsymbol{\$3.74}\). \(\boldsymbol…
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eva is starting a new job. she earns an hourly wage, and the cost of he…
Hourly wage: $\$14.25$ per hour Uniform cost: $\$25.00$
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select the graphs that show a proportional relationship between x and y.
Both the Left Graph and the Right Graph (the two given graphs) show a proportional relationship between \( x \) and \( y \) because they are straight lines passing through the ori…
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read the excerpt from act 5, scene 1, of julius caesar. messenger. prep…
D. It suggests that the enemy is well - decorated and showy in their confident approach.
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select the equations that show a proportional relationship between x an…
The equation that shows a proportional relationship between \(x\) and \(y\) is \(y = 10x\) (the second equation). The equation \(y=6x - 5\) does not show a proportional relationsh…
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question 6 of 20 which sentence best demonstrates the meaning of the wo…
D. I love visiting my grandma’s house in the winter; it’s cozy little cabin surrounded by snowy woods.
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in march it rained 2.864 inches. it rained 0.7 inches less in april tha…
2.164
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4. the table below gives the height and shoe sizes of six randomly sele…
- Equation: \(\boldsymbol{\hat{y} \approx 2.36x + 47.23}\) (or more precise \( \hat{y}=2.357x + 47.226 \)) - \( r \approx \boldsymbol{0.998} \) (strong positive correlation) - Hei…
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on a school trip, a class travels 967.955 kilometers by train and 3 kil…
\( 970.955 \)
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a seafood restaurant made 824.4 cups of clam chowder on tuesday morning…
816.75
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complete the frequency table for the following set of data. you may opt…
| Interval | Tally (count) | Frequency | |----------|---------------|-----------| | 0 – 2 | 6 | 6 | | 3 – 5 | 6 | 6 | | 6 – 8 | 1 | 1 | | 9 – 11 | 2 | 2 |
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rob bought 740 ounces of sugar, and he spilled 0.5 ounces of it on the …
739.5
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harold bought 0.49 pounds of peanuts and 0.4 pounds of raisins. how man…
0.89
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anita has a piece of yellow ribbon that is 96.1 inches long and a piece…
54.4
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ginas dresser is 50.1 inches wide, and her bed is 77.5 inches long. if …
127.6