統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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in a golf tournament, rory makes a mistake and records 95 strokes on hi…
\( 5.56\% \)
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the following passage is set during the american civil war. select the …
The relevant evidence is: "Circumstances of an imperious nature had prevented him from taking service with that army which had fought the disastrous campaigns ending with the fall…
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the principal would like to assemble a committee of 15 students from th…
136
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amount consumed each trial time (sec) which term describes what is happ…
D. A changing amount is eaten.
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a lock has a code of 4 numbers from 1 to 10. if no numbers in the code …
5040
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amount vs time which phrase describes what is happening in the amount p…
D. A changing amount is eaten. Wait, correction: The options are not labeled A - D in the standard way? Wait, looking back: The options are: Top left: A constant amount is eaten. …
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camille is attending a fundraiser. she pays for her admission and buys …
\( S = 5r + 85 \)
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a skydiver falls at a rate of $8\\frac{4}{5}$ yards per second. after 7…
\( 61\frac{3}{5} \) yards (or \( \frac{308}{5} \) yards)
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which term describes what is happening in the amount per trial vs. time…
D. A constant amount is eaten.
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a group of teachers discussed their hobbies. the table lists the teache…
A. Yes
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question if the math olympiad club consists of 11 students, how many di…
165
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amount consumed each trial time (sec) amount vs time which term describ…
A. A changing amount is eaten
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amount consumed each trial vs. time (s) t = 0 s, 8 items eaten t = 4 s,…
A. A changing amount is eaten.
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a grade 6 4.10 solving percent problems 52 is 26% of what number? 52 is…
200
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amount consumed each trial vs. time (s) how many items are consumed at …
B. 6
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nori measures the length of her belt. the tag says that the belt is 62 …
1.52
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an insect exhibit has 2 butterflies for every 3 caterpillars. there are…
(for part a): 12
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zane is a dangerous fellow who likes to go rock climbing in active volc…
The graph is a straight line connecting \((0, -20)\) and \((5, 0)\) with a slope of \(4\), representing \(y = -20 + 4t\) (elevation vs. time).
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jordan flipped a coin 490 times. which of the following would be a good…
C. 230
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use the drop-down menu to complete the statements. failure to pay taxes…
Failure to pay taxes on time may result in penalty fees. Tax payments may be collected through [not fully visible, but likely legal means] and interest will accumulate on the unpa…
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which of the following is a true statement? a. with probability, smalle…
D. With probability, larger numbers indicate greater likelihood.
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rounding round each to the place indicated. 1) 86.9605 2) 87,569,813 3)…
(For problem 1 as an example) 86.96 (Other problems would have their own answers based on the specific place to round, which is not fully visible in the image. If you provide the …
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19. the cruz family shares a family cell phone plan. the plan is for 3,…
The inequality is \( 1200 + m+2\times675\leq3200 \) (or \( m + 2550\leq3200 \) with \( m\geq600 \)) where \( m \) is the minutes the mother used. In terms of total family usage \(…
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1. la relación entre una distancia en yardas (y) y la misma distancia e…
(Parte a tabla): | distancia en millas | distancia en yardas | |---------------------|---------------------| | 1 | 1760 | | 5 | 8800 | | 2 | 3520 | | 10 | 17600 |
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introduction to slope - item 32004 use the two graphs to help complete …
Graph A: 5 Graph B: 5
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practice test comparing bits and pieces 6th grade 1. write ratios as fr…
### Question 1 Table: | Ratio | Fraction | Decimal | Percent | |--------------------|----------|---------|---------| | 8 days out of 80 | $\frac{1}{10}$ | 0.1 | 10% | | 1 out of 3…
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a hot air balloon flew through the sky. the table gives increases in th…
A. Period 1 ### Part (b)
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the table gives a small company’s profits (in thousands of dollars) ove…
March (Option: March) ### Part (b)
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2. which table represents a non - proportional relationship between x a…
D. The table with \(x\) values \(-5, - 1,1,8\) and corresponding \(y\) values \(11,-1,-7,-28\) (the table labeled D)
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dante is riding in a bike race that goes through a valley and a nearby …
A. Checkpoint 1 ### Part (b)
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question how many different possible outcomes are there if you flip eig…
256
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4. micheline a pris $2\\frac{1}{2}$ heures pour écrire 5 paragraphes. c…
\( \frac{1}{2} \) heures
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drag each tile to the correct box. amy, catherine, and herb sell intern…
Most spread out: Catherine Middle: Amy Least spread out: Herb (Order: Catherine, Amy, Herb)
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your answer to the nearest whole number if necessary. 9 ) sally went to…
38 ### Problem 10
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the most dangerous game by richard connell \off there to the right—some…
In Richard Connell's "The Most Dangerous Game," the author uses setting descriptions to develop meaning through mood and foreshadowing. The "dank tropical night" with its "thick w…
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a1 | player 1 player 2 ladainian tomlinson 3 michael turner 4 lorenzo n…
Median for #1 (Column B): 17.5 Median for #3 (Column C): 17.5 Median for #5 (Column F): 55908 Median for #6 (Column F): 55908 Mean for #1 (Column B): ≈189.83 Mean for #3 (Column C…
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19. connor cuts a board with a length of 78.5 centimeters into four equ…
C. 20 cm
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in a country, deforestation occurs at the rate of about 3.6% per year. …
44.7
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question omar is trying to pick out an outfit for the first day of scho…
36
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the maximum speed that a sailboat can reach depends on the size of the …
- The longer the sailboat is, the faster it can go. - For a boat to reach the speed of 10 kilometers per hour, it needs to be at least 20 feet long. - The maximum speed that an 8 …
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amount vs time which term describes what is happening in the amount per…
C. A changing amount is eaten (assuming the options are labeled A, B, C, D with A: Nothing is consumed, B: A negative amount is eaten, C: A changing amount is eaten, D: A constant…
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determine the input a number went into this machine and 0 came out. wha…
0
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4. a car dealership has various combinations of vehicles in their car l…
a. False (Correct: 24 total outcomes) b. True c. False (Correct: Probability is $\frac{1}{8}$)
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3. mrs. williams has a prize box with different colored tickets as show…
a. $\frac{3}{25}$
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period: __ date: dec. 1-5 each problem and/or circle your answer(s) sim…
$\frac{3}{8}$
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25. there were a total of 125 cars at a car dealership. a salesperson s…
Inequality: \( 68 + x \leq 125 \) Solution: \( x \leq 57 \) Interpretation: The salesman has at most 57 more cars to sell.
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2. the table shows the snacks in mel’s pantry. | snack | amount | |----…
\(\frac{5}{36}\)
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the temperature is 1° and drops to -3°. what other temperature is the s…
C. -7 ### Second Sub - Question (Time Left Problem)
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6. the table gives the population of a city from 1988 to 2016. a) deter…
(part a): -1125 (part b example: interval 1992 - 1996, rate -2400) (Note: For part a, the average rate of change between 1992 and 2000 is -1125. For part b, one possible interval …
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σ² = (87 - 78)² + (46 - 78)² + (90 - 78)² + (78 - 78)² + (89 - 78)²/5 =…
Emi evaluated \((46 - 78)^2\) as \(-(32)^2\).
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the table compares the capacity of omojobis phones battery when he star…
B. No
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independent events independent practice use your understanding of proba…
(for part a): The sample space can be represented as a list: \(\{(H,1), (H,2), (H,3), (H,4), (H,5), (H,6), (H,7), (T,1), (T,2), (T,3), (T,4), (T,5), (T,6), (T,7)\}\) (or using a t…
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nonrestrictive elements and parallel structure assignment active evalua…
It emphasizes and connects his points to one logical conclusion.
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which of the following is a valid probability distribution? probability…
Probability Distribution B (the bottom graph) is a valid probability distribution.
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question 2 of 10 when you remember something because it has meaning for…
A. semantic memory.
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the table compares the amount of homework khaled gave to his class, and…
A. Yes
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probability of independent events independent practice use your underst…
\(\frac{1}{14}\)
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the table compares the hats worn by each customer in a flower shop and …
A. Yes
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points scored per game how can the graph be adjusted to show the skew? …
A. The intervals on the x - axis can be changed to be continuous and consistent.
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hugo is the chef of a school cafeteria. the table compares the amount o…
B. No
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3. a cookie recipe calls for 3 eggs for every 2 dozen cookies. eccs 3 6…
8 (assuming the table's unit for cookies is dozen, but the written answer is 8 cookies) ### Problem 3b:
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probabilities for \sums\ roll | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11…
# Explanation: ## Step1: Identify odd and even sums Odd sums: 3, 5, 7, 9, 11. Even sums: 2, 4, 6, 8, 10, 12. ## Step2: Calculate E(odds) \(E(\text{odds}) = 3\times\frac{2}{36} + 5…
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test the claim about the population mean \\( \\mu \\) at the level of s…
The standardized test statistic is \(-1.54\), the P - value is \(0.0618\), we fail to reject \(H_0\), and at the 3% significance level, there is not enough evidence to reject the …
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vocabulary complete the statements to review your vocabulary for this m…
1. percent 2. decimals
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use your understanding of probability to answer the questions below. 7.…
a. False (Correct: Multiply \( \frac{2}{10} \times \frac{3}{10} \)) b. True c. False (Correct: Multiply \( \frac{2}{10} \times \frac{3}{9} \)) d. True
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what is one of the three main strategies that woolf used in a room of o…
B. Showing her thought process
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which of the following describes the probability distribution below? pr…
The median is greater than the mean, and the majority of the data points are to the right of the mean.
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the mean game scores and standard deviations of four seasons of a footb…
The game scores of season 2005 have a greater spread than the game scores of season 2006.
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5. what is the product of 2.3 x 10^2 * options: 23, 230, 2,300, 40.3 6.…
230 (corresponding to the option with "230") ### Question 6
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a high school student volunteers to present a report to the administrat…
C. convenience sampling
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a convenience sample differs from a voluntary sample in that a convenie…
A. a convenience sample is structured based on accessibility to the researcher, and a voluntary sample is based on participant interest.
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write a linear equation to represent the relationship between x and y. …
\( y = -5x + 30 \)
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a manager records the number of hours, x, each employee works on his or…
2
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1. what is the quotient of 32,000 ÷ 80? * 4 40 400 4,000 2. how many gr…
400 (corresponding to the option "400") ### Question 2
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1. what is the quotient of 32,000 ÷ 80? * options: 4, 40, 400, 4,000 2.…
400 (corresponding to the option "400") ### Question 2
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question 45 which best describes the term \provenance,\ and why it is i…
b. using the history of an art object to establish its authenticity
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amy goes to art school to learn how to draw, paint, and sculpt. complet…
not parallel
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elon sat on the dock with his fishing rod, when suddenly he felt the ro…
The correct graph should be a straight line with a positive slope (0.1) connecting the points (0, -3.5) and (35, 0). The given graph (horizontal line at y=2) is incorrect; the cor…
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a picture of a school’s mascot is 18 in. wide and 24 in. long. it is en…
84 in
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question 8 of 10 if a person believes that dreams have hidden meaning, …
D. latent
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the human resources manager at a company records the length, in hours, …
0.78
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the mean of a set of credit scores is \\( \\mu = 690 \\) and \\( \\sigm…
$z_{724}$ (assuming a typo, and the correct $x$ is 724) is between 2 and 3 standard deviations of the mean. So the correct option is: $z_{724}$ is between 2 and 3 standard deviati…
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to conduct a survey about the type of phone service most people in gree…
D. cluster sampling.
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the mean test scores with standard deviations of four english classes a…
The scores of Mrs. Rijo’s class are the closest to the class mean.
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17. what is the best meaning of ituals\ as it is used in the following …
C. routines (assuming the option with "routines" is labeled as C; if the original options had labels like A - D, adjust accordingly. Here, based on the marked option, the correct …
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amanda used a standard deck of 52 cards and selected a card at random. …
1) \(\frac{4}{15}\) (assuming total trials = 30 and heart trials = 8) 2) \(\frac{1}{4}\) 3) \(\frac{3}{5}\) (assuming total trials = 30, diamond = 8, spade = 10) 4) \(\frac{1}{2}\…
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you are challenged to a lucky draw game. if you draw a face card (k, q,…
0.77
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use the spinner to answer each question. give your answers as reduced f…
s: 1) \(\frac{1}{12}\) 2) \(\frac{1}{3}\)
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3. you have 36 red apples and 42 green apples. what is the greatest num…
F. 6
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4. shade 80% of the grid
Shade 80 out of the 100 cells in the 10×10 grid (e.g., 8 full rows or an equivalent combination).
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do you know how? 4. phoebe constructs a scatter plot to show the data. …
For the x - axis (shoe size), a scale with each tick representing 1 unit (ranging from 5 to 9) can be used. For the y - axis (height), a scale with each tick representing 1 unit (…
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example 2 modeling tides by studying the tides in a seaport the followi…
Approximately \( 7.89 \) hours (or more precisely, using exact calculations, we can get the length as \( \frac{\pi - 2\arcsin(-0.4)}{0.16\pi}=\frac{\pi + 2\arcsin(0.4)}{0.16\pi}\a…
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name: date: 10. ivy invested $150 000 in a savings account that offers …
$\$300$ ### Question 11
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4. shade 80% of the grid.
Shade 80 cells in the 10x10 grid (e.g., 8 full rows or equivalent combination).
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complete the statements this module. 1. ______ is a ratio that compares…
1. \(\boldsymbol{decimal}\) is a ratio that compares a part to a whole of \(\boldsymbol{1}\) (or a whole number, but most accurately 1).
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originalism emphasizes: ○ policy outcomes ○ changing social norms ○ per…
The Constitution's original public meaning ### For Question 6 (Living Constitutionalism supports the view that):
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karen charges $50 for 3 climbing lessons. at this rate, how much would …
350
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question 1-15 the three common ratchet sizes are... 1/4, 3/16, and 1/2 …
The third option (the third circle) with the text "3/8, 1/2, and 1/4"
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melissa drove 696 miles in 12 hours. at the same rate, how long would i…
7 hours
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each graph below shows a relationship between x and y. for each graph, …
- Graph 1: Not proportional - Graph 2: Proportional, \( y \) is \( \frac{3}{2} \) times \( x \) (or 1.5 times \( x \)) - Graph 3: Not proportional (Wait, but maybe I made a mistak…