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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at laguardia airport for a certain nightly flight, the probability that…
0.860
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at laguardia airport for a certain nightly flight, the probability that…
0.636
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this season, the probability that the yankees will win a game is 0.6 an…
0.283
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question this season, the probability that the yankees will win a game …
0.226
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1. for which data set is the correlation coefficient ( r ) closest to 0…
s: 1. For \( r \) closest to 0: Figure 1 2. For \( r \) closest to 1: Figure 4 3. For strongest negative linear relationship: Figure 3 (Note: If the options in the dropdowns are l…
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1. for which data set does the correlation coefficient r appear to be e…
1. Figure 4 2. Figure 1 3. Figure 3
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figure 1 figure 2 figure 3 figure 4 1. for which data set does the corr…
1. Figure 4 2. (Wait, maybe I made a mistake. Wait, no—wait, the second question: "closest to 1" (positive). Wait, maybe there's a figure with positive slope. Wait, maybe I misana…
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the following table represents the highest educational attainment of al…
0.234
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1. which data set has an apparent negative, but not perfect, linear rel…
1. Figure 3 2. Figure 2 3. Figure 2
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the following table represents the highest educational attainment of al…
0.81
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question the following table represents the highest educational attainm…
0.493
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the following table represents the highest educational attainment of al…
0.199
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in a math class with 18 students, a test was given the same day that an…
$\frac{4}{11}$
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in a class of 24 students, 9 have a cat and 13 have a dog. there are 7 …
$\frac{7}{13}$
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in a class of 30 students, 18 have a cat and 21 have a dog. there are 5…
$\frac{14}{21} = \frac{2}{3}$
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in a class of 24 students, 14 have a cat and 5 have a dog. there are 2 …
$\frac{12}{19}$
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question in a class of 18 students, 11 are female and 5 have an a in th…
$\frac{1}{6}$
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in a class of students, the following data table summarizes how many st…
$\frac{3}{10}$
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question in a class of students, the following data table summarizes th…
$\frac{2}{9}$
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question in a class of students, the following data table summarizes ho…
$\frac{5}{11}$
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let u be the universal set u = {1,2,3,…,18,19,20}. let sets a and b be …
(a) \(A\cup B = \{2,5,8,10,11,12,14,15,16,17,20\}\) (b) \(A\cap B=\{12,15\}\)
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in a class of students, the following data table summarizes how many st…
$\frac{3}{11}$
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in a class of students, the following data table summarizes how many st…
\(\frac{3}{11}\)
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review for the math 1111 final exam category: homework current score: 2…
\( 2.877 \)
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grade 6 10.9 computing the interquartwhat is the interquartile range of…
6
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a man commutes to work a distance of 40 miles and returns on the same r…
First, the function \( T(x) = \frac{80x + 1000}{x^2 + 25x} \) (or \( \frac{40}{x} + \frac{40}{x + 25} \)). Then \( T(35) = \frac{38}{21} \) (or approximately 1.81) hours. The inte…
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category: homework current score: 20.8/43 points based on the table bel…
\(70\)
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1. as the population gets larger and larger, what happens to the amount…
As the population gets larger and larger, the amount of water available decreases and approaches the horizontal asymptote (gets closer to a very small, nearly constant amount or z…
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find the mean, median and mode of the set of data. 30, 50, 10, 80, 40, …
mean: 40 median: 40 mode: 40
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water is steadily pumped out of a flooded basement. let v be the volume…
16
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a grade 6 3.1 dividing multi-digit w find the quotient and the remainde…
Quotient: 27, Remainder: 48
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the number of hate crime convictions in a particular region was 26 conv…
2 ### Part (e)
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number of hate crime convictions in a particular region was 26 convicti…
2
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19. a school library is planning to add a reference section to their co…
\( x + y \leq 20 \) \( x \leq 16 \) \( y \leq 9 \)
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the number of hate crime convictions in a particular region was 26 conv…
A. The graph with n - intercept around 28 (close to 26) and a decreasing line from (0, ~28) to (8, 0)
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the number of hate crime convictions in a particular region was 26 conv…
A. In the equation, the units on both sides are the number of convictions, so the equation is correct.
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use the graph of f to find the value of f(-9). f(-9)= blank box
\( \boxed{6} \) (Note: The answer depends on the actual graph. If the graph is different, the answer may change. But based on typical problems with such graphs, the value of \( f(…
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use the image to find $\frac{6}{14} div \frac{1}{7}$.
$3\frac{9}{11}$
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answer questions about the dot plot below. the set of data below repres…
Mean: 11 Median: 11 Mode: 8,10,12
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the number of hate crime convictions in a particular region was 26 conv…
For the table: - t=0: \( 26 - 4 \cdot 0 \) - t=1: \( 26 - 4 \cdot 1 \) - t=2: \( 26 - 4 \cdot 2 \) - t=3: \( 26 - 4 \cdot 3 \) - t=4: \( 26 - 4 \cdot 4 \) The equation: \( n = 26 …
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a grade 6 6.4 problem solving: word problems with li enzo bought 6 gall…
2
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summative grade: after watching the video, \life in a bubble,\ answer t…
1. As time passes and the population of the city increases, the availability of water per person will decrease. This is because the total amount of water is fixed, and when it is …
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a person earns a starting salary of $16 thousand at a company. each yea…
7
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a person earns a starting salary of $16 thousand at a company. each yea…
B. The s - intercept of the model is $\boldsymbol{(0,16)}$, and it represents the person's salary when she joined the company.
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a person earns a starting salary of $16 thousand at a company. each yea…
A. The units of the expressions on both sides of the equation are dollars.
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summative grade: after watching the video, \life in a bubble,\ answer t…
As the population gets larger and larger, the amount of available water per person approaches 0 (it gets smaller and smaller, getting closer to 0 but never actually reaching 0 in …
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a person earns a starting salary of $16 thousand at a company. each yea…
For the table blanks (from top row to bottom row for each t): - t=0: 0, 16 - t=1: 1, 16 - t=2: 2, 16 - t=3: 3, 16 - t=4: 4, 16 And \( s=\boxed{2t + 16} \)
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the epic of beowulf grendel the powerful monster grendel wreaks havoc o…
D. "Now I mean to be a match for Grendel, settle the outcome in single combat."
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solve the following logarithmic equation. be sure to reject any value o…
A. The solution set is $\boxed{119}$
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according to scandura (2021), the words spoken convey the highest perce…
False
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multiply. 9.76 × 0.01
0.0976
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a person pays an $8 cover charge to hear a hip-hop band. let t be the t…
A. The total cost if the person does not spend any money on drinks
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c. graph the equation. choose the correct answer. a. b. c. d. d. what i…
\((0,6)\)
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which expressions are equivalent to 2 ln a + 2 ln b - ln a? check all t…
B. \(\ln a + 2\ln b\), C. \(\ln a^{2}+\ln b^{2}-\ln a\), E. \(\ln ab^{2}\)
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a person pays an $8 cover charge to hear a hip - hop band. let t be the…
D (the graph labeled D, which has a positive slope, y - intercept at \( T = 8 \) when \( d = 0 \), and shows \( T \) increasing as \( d \) increases)
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a person pays an $8 cover charge to hear a hip - hop band. let t be the…
dollars (or \(\$ \), since both \(T\) (total cost) and \(8 + d\) (sum of cover charge and drink cost, both in dollars) have the unit of dollars)
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listed below are annual data for various years. the data are weights (m…
B. The results do not suggest any cause - effect relationship between the two variables.
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show ratios using a double number line or a ratio table 5. a smoothie m…
(Problem 5 Equivalent Ratios): \( 3:8 \), \( 6:16 \), \( 9:24 \), \( 12:32 \) (any three of these)
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jayden is a running back for his high school football team. in the firs…
6
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listed below are annual data for various years. the data are weights (m…
- Linear correlation coefficient \( r \approx \boldsymbol{-0.855} \) - Test statistic \( t \approx \boldsymbol{-2.881} \) (or 2.881, absolute value) - P - value ≈ \(\boldsymbol{0.…
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jayden is a running back for his high school football team. in the firs…
min: \(0\), Q1: \(2.5\), median: \(4.5\) (Wait, earlier median calculation was wrong. Wait, the data set has 8 values, so the median is the average of the 4th and 5th values. The …
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show ratios using a double number line or a ratio table 1. a recipe use…
La relación inicial es \( 2:1 \). Proporciones equivalentes: \( 4:2 \) y \( 6:3 \). (Puedes representar esto también en una recta numérica doble, marcando las escalas para jugo y …
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jayden is a running back for his high school football team. in the firs…
1. Mean Absolute Deviation (MAD): 4 (as given, confirmed by calculation/Desmos) 2. Standard Deviation (stdev): 5 (as given, confirmed by calculation/Desmos) (Note: The process inv…
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listed below are annual data for various years. the data are weights (m…
For the hypotheses: C. \( H_0: ho = 0 \), \( H_1: ho eq0 \) For the scatterplot: B. The Middle Graph (assuming B is the middle - looking graph with the negative trend)
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the value of a boat after t years is represented by the function $f(t) …
The initial value of the boat is $11,200.
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construct a scatterplot for the given data. x | 0.33 0.92 0.36 0.29 -0.…
A
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a person pays an $8 cover charge to hear a hip - hop band. let t be the…
For \( d = 2 \): \( 8 + 2 \) For \( d = 3 \): \( 8 + 3 \) For \( d = 4 \): \( 8 + 4 \) For \( d = 5 \): \( 8 + 5 \) For general \( d \): \( 8 + d \)
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listed below are the overhead widths (in cm) of seals measured from pho…
Because the absolute value of the linear correlation coefficient is less than the positive critical value, there is not sufficient evidence to support the claim that there is a li…
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let v be the value (in thousands of dollars) of a car when it is t year…
A. The v - intercept is \((0, 20)\). The v - intercept estimates the value of the new car.
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listed below are the overhead widths (in cm) of seals measured from pho…
Scatterplot: (Assuming correct is option C, e.g., "C. [Graph with positive trend]") Linear correlation coefficient \( r \approx \boxed{0.845} \) Critical values \( r = \pm 0.917 \…
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use the given data to find the equation of the regression line. examine…
A. The data has a pattern that is not a straight line.
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use the given data to find the equation of the regression line. examine…
The equation of the regression line is \( \hat{y} = 2.70 + 0.60x \). The correct scatterplot is C (assuming the middle graph with the curved pattern). The characteristic ignored i…
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a. using the pairs of values for all 10 points, find the equation of th…
s: a. \(\hat{y}=\boxed{3.492}+\boxed{0.632}x\) b. \(\hat{y}=\boxed{8.000}\) (or \(\hat{y}=\boxed{8.000}+0.000x\)) c. A. The removal of the point has a significant impact on the re…
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translate the conjugated verbs to english. if there is more than one po…
22. they ask (or you all ask) 23. I know 24. you say 25. we can 26. I see 27. duerme 28. traigo 29. vuelven
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the data show the chest size and weight of several bears. find the regr…
The regression equation is \( \hat{y} = -311.6 + 12.6x \). The best predicted weight for a bear with a chest size of 63 inches is \( 482.2 \) pounds. The correct option is A. This…
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question 6 (5 points) match each statement to the position to which a p…
1. "Ethics should be modeled on the concern and attentiveness to another person that is characteristic of caretaking relationships." - 6. Care Ethics 2. "Anyone can be angry, but …
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let v be the value (in thousands of dollars) of a car when it is t year…
16
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use the given data set to complete parts (a) through (c) below. (use α …
A. The scatterplot reveals a distinct pattern that is not a straight - line pattern.
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use the given data set to complete parts (a) through (c) below. (use α …
B. There is sufficient evidence to support the claim of a linear correlation between the two variables.
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let v be the value (in thousands of dollars) of a car when it is t year…
4
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to get to school each morning, vanessa takes a horse 19.33 kilometers a…
21.6
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use the given data set to complete parts (a) through (c) below. (use \\…
The linear correlation coefficient is \(r \approx \boxed{0.816}\)
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what is the ratio of hours spent at soccer practice to hours spent at a…
D. 3 for every 2
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activity hours soccer practice 2 birthday party 3 science project 1 wha…
C. 2 for every 3
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find the regression equation, letting the first variable be the predict…
The predicted age is within 5 years of the actual winner’s age. (For the dropdowns, the first would be "Yes" (or similar affirmative option) and the second would be "within 5 year…
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what is 700% of 6? hint: we can think of 700% as a common number.
42
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find the regression equation, letting the first variable be the predict…
47
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a candy bar is broken into two pieces. one piece is 33.641 mm long, and…
65.39
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find the regression equation, letting the first variable be the predict…
47
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1. how many groups of \\(\\frac{5}{7}\\) are in 1? \\(\\square\\) group…
1. \(\frac{7}{5}\) (or \(1\frac{2}{5}\) or \(1.4\)) 2. \(\frac{56}{5}\) (or \(11\frac{1}{5}\) or \(11.2\))
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the data show the chest size and weight of several bears. find the regr…
D. This result is not very close to the actual weight of the bear.
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the data show the chest size and weight of several bears. find the regr…
The best predicted weight for a bear with a chest size of 63 inches is \(495.5\) pounds.
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i could have waited to go to the movies until darry or soda got off wor…
He is extremely smart, but he sometimes makes poor decisions.
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the data show the chest size and weight of several bears. find the regr…
\( \hat{y} = \boxed{-412.8} + \boxed{14.4}x \)
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here is a bivariate data set. find the regression equation for the resp…
\( y = -1.77x + 120.50 \)
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find the regression equation, letting the first variable be the predict…
B. Since common sense suggests there should not be much of a relationship between the two variables, the prediction does not make much sense.
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find the regression equation, letting the first variable be the predict…
15.3
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i could have waited to go to the movies until darry or sodapop got off …
They are all very close, and they treat each other like brothers.
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i could have waited to go to the movies until darry or sodapop got off …
They are all very close, and they treat each other like brothers.
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tuesday: reread lines 21–27 of the epic. from odyssey by homer 21 if we…
The correct option is: Eurylochus uses logos by describing in detail the temple they can build and fill with many gifts.