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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the number of newly reported crime cases in a county in new york state …
Regression Equation: \(y = -26.2x + 704.6\) Final Answer: 390
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martin needs to drain his swimming pool to do maintenance work on it. h…
C. 400 minutes, F. 6 hours 40 minutes
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tasty treats sells a standard trail mix with no chocolate and a sweet t…
D. 36 oz ### Second Sub - Question (Doughnut Problem)
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mai, rafael, and hong sent a total of 106 text messages over their cell…
Mai sent 11 messages, Rafael sent 19 messages, Hong sent 76 messages.
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which of the following statements accurately describes the result of a …
c. Fewer taxed workers than beneficiaries means that more money is being drawn from the system for the money put in. This leaves a shortage of money in the system making benefits …
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according to the graph below, what percent of the simpsons annual expen…
c. 24%
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height of the helicopter a police helicopter takes off from the roof of…
The graph has three parts: 1. A line with a positive slope starting from the height of the building's roof (non - zero y - intercept) as time increases until the first peak height…
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cc integrated i pdf files should be printed before use. lesson (eng) le…
### Part (a) # Explanation: ## Step 1: Wade's Formula (\(t(n) = 4 \cdot 3^n\)) For \(n = 1\): \(t(1)=4\cdot3^1 = 12\) For \(n = 2\): \(t(2)=4\cdot3^2 = 36\) For \(n = 3\): \(t(3)=…
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write a six to eight sentence paragraph to respond to the following pro…
To analyze the theme of "The Wise Old Woman", first identify the theme (e.g., wisdom transcends age, or the value of elders’ insights). Then, examine how the point of view (e.g., …
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2 given a real - world model for a ratio of quantities with different u…
240 miles ### Second Sub - Question (Paint Coverage)
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c. locate μ, μ - 2σ, and μ + 2σ on the graph. choose the correct graph …
B
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estimation: consider this list of data: x 8 10 11 15 22 29 mark the 2 m…
13, 18
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σ = 13.519 (round to three decimal places as needed.) b. graph p(x). ch…
C. The graph labeled C (with \( p(x) \) on the y - axis, showing a small bar at 10, then increasing bars at 20, 30, and a slightly smaller bar at 40)
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according to the centers of disease control, about 20% of american youn…
\(H_0: p = 20\%, H_A: p < 20\%\) (the fourth option: \(H_0: p = 20\%, H_A: p < 20\%\)) ### Part 2: Conclusion
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23 ar3.3 display equivalent part-to-part and part-to-part-to-whole rati…
- **Paint Mixture (Row 1 Total):** $\boldsymbol{1\frac{1}{4}}$; (Row 2 White): $\boldsymbol{1}$; (Row 3 Blue): $\boldsymbol{4\frac{1}{2}}$, (Row 3 Total): $\boldsymbol{7\frac{1}{2…
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questions 1-3 refer to the following excerpt. \we apprehend believe tha…
C. The Seven Years' War ### Question 2
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consider the probability distribution for the random variable x shown h…
\(182.75\)
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consider the probability distribution for the random variable x shown h…
\( 33.5 \)
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according to the centers of disease control, about 21% of american youn…
\(H_0: p = 21\%, H_A: p < 21\%\) (the second option) ### Part 2: Conclusion when \(H_0\) is Rejected
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the following venn diagram shows the results of a survey of students in…
\(\boxed{\dfrac{2}{3}}\)
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kennys class is having a holiday party, and he is in charge of bringing…
2
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for a hypothesis test, alpha = 0.05 the computed p-value = 0.022 should…
Should \(H_0\) be rejected?: B. Reject \(H_0\) What is the correct conclusion?: A. There IS sufficient evidence to reject the Null Hypothesis and accept the alternative.
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solve problems involving percentages using the relationship between two…
216 books were donated. ### Second Sub - Question (Meals Left Over)
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consider the probability distribution shown for the random variable x f…
No
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the following venn diagram shows the results of a survey of students in…
\(\boxed{\dfrac{17}{83}}\)
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for a hypothesis test, alpha = 0.05 the computed p-value = 0.056 should…
(for "Should \( H_0 \) be rejected?"): Fail to Reject \( H_0 \)
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consider the probability distribution shown for the random variable x f…
C. The average value of x over many trials is equal to μ
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consider the probability distribution shown for the random variable x f…
\(3.3823\)
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for a hypothesis test, alpha = 0.05 the computed p-value = 0.044 should…
(for the first question "Should H0 be rejected?"): Reject H_0
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consider the probability distribution shown for the random variable x f…
\(11.44\)
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use the following venn diagram to determine the probability of the give…
\(\frac{1}{3}\)
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consider the probability distribution shown for the random variable x f…
\( \mu = 7.6 \)
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the floor imane wants to cover has an area of 216 square feet. what is …
216
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if your claim is in the null hypothesis and you fail to reject the null…
B. There is not sufficient evidence to warrant rejection of the original claim
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3. the president has the power to make treaties, but they must be appro…
### Question 3 (Fill - in - the - blank) The President has the power to make treaties, but they must be approved by the **Senate**. ### Question 4 (Fill - in - the - blank) If the…
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if your claim is in the alternative hypothesis and you fail to reject t…
A. There is not sufficient sample evidence to support the original claim
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which ratios form a proportion? \\(\frac{3}{4}\\) and \\(\frac{9}{16}\\…
The ratios \( \boldsymbol{\frac{2}{3}} \) and \( \boldsymbol{\frac{8}{12}} \) form a proportion.
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a weapons manufacturer uses a liquid propellant that can get mixed with…
A. This value is the probability that one would first encounter a contaminated cartridge on at least one of the remaining trials after the first was attempted
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which hypotheses do we want to test? h₀: p = 0.05 hₐ: p > 0.05 h₀: p = …
\(H_0: p = 0.05\) \(H_A: p eq0.05\) (the second option in the list)
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question 14 (5 points) listen provide and describe in detail five or mo…
Five detailed examples of eye contact meaning for Latinos/Hispanics are: 1. Respect and Engagement in Conversations; 2. Affection and Intimacy in Close Relationships; 3. Deference…
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3- transforme la fraction en nombre décimal, puis détermine le résultat…
$1,7$ #### b) $2,37 + \frac{3}{12}$
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1.2 the table shows some values of a function. on which intervals is th…
a. From \( x = 0 \) to \( x = 1 \), c. From \( x = 0 \) to \( x = 3 \), f. From \( x = 2 \) to \( x = 3 \)
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a weapons manufacturer uses a liquid propellant that can get mixed with…
\( 0.760 \)
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what kind of hypotheisis test is this? 1 population proportion 2 popula…
1 population proportion
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a weapons manufacturer uses a liquid propellant that can get mixed with…
B. This value is the probability that one would first encounter a contaminated cartridge on the fourth trial.
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identify the parameter(s): the mean amount of medication taken. the num…
The proportion of those who take the drug who get a headache.
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is it categorical or quantitative? proportions are categorical. mean va…
Categorical
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a weapons manufacturer uses a liquid propellant that can get mixed with…
\( p(4) = 0.105 \)
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a weapons manufacturer uses a liquid propellant that can get mixed with…
B. This value is the probability that one would encounter a contaminated cartridge on the first trial
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a weapons manufacturer uses a liquid propellant that can get mixed with…
0.240
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the random variable x has the following discrete probability distributi…
\( 0.7 \)
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use the stacked box and whisker plot in the diagram below. test scores …
interquartile range, median (Wait, no, I'm wrong. Wait, the correct answers are interquartile range and upper quartile. No, the answer is interquartile range and median. I think t…
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the random variable x has the following discrete probability distributi…
\( 0.1 \)
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the random variable x has the following discrete probability distributi…
\( 1.0 \)
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the random variable x has the following discrete probability distributi…
\( P(x > 12) = 0.3 \)
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14 nso.1.3 find the absolute value of a rational number interpret the a…
For the temperature: The temperature is \( 18.5^{\circ}\text{C} \) below freezing. For the bank account: Maria needs to deposit \( \$42.75 \).
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the random variable x has the following discrete probability distributi…
\( 0.7 \)
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a bag was filled with colored items. felicia repeatedly drew one at ran…
$\frac{7}{14}$ (or simplified to $\frac{1}{2}$)
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fred can swim \\(\\frac{2}{3}\\) of the length of the pool. jimin can s…
greater than
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likelihood of each value. complete parts a through c below p(27) = 0.35…
\( 0.4 \)
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a discrete random variable x can assume five possible values, 23, 24, 2…
0.3
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belvederes yummy food store sold 11 bagels. six of them were cranberry …
\( 0.55 \)
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14 find the absolute value of a rational number ns0.1.1 interpret the a…
\( |4.6| \boldsymbol{=} |-4.6| \) \( |-3.2| \boldsymbol{<} |-5.82| \) \( |-7.38| \boldsymbol{>} |2.13| \) \( |6.7| \boldsymbol{<} |-7.6| \) \( |9.35| \boldsymbol{=} |-9.35| \) \( …
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which fraction is less than \\(\frac{2}{4}\\)? \\(\frac{3}{12}\\) \\(\f…
$\frac{3}{12}$
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a christmas carol: scrooge and marley, act i which passage of dialogue …
A. Fran: I'll be fine, really. I like presenting. My hands are shaking because it's cold in here. But... maybe... someone else can take my place?
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four ounces of oregano and 2 ounces of garlic powder are mixed to creat…
6
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compare \\(\\frac{3}{4}\\) and \\(\\frac{5}{8}\\). complete the sentenc…
\(\frac{3}{4}\) is greater than \(\frac{5}{8}\) (so the correct option for the dropdown should be "greater than" instead of "less than")
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a discrete random variable x can assume five possible values, 23, 24, 2…
\( 0.35 \) (Wait, no, wait the user's histogram: looking at the y - axis, the bar for 27 is at 0.30? Wait, maybe I made a mistake. Wait, let's check the sum again. If \( p(23)=0.1…
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the graph represents the cost of a subscription to a newspaper. weekly …
\$7.50
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complete the sentence describing the comparison. \\(\frac{4}{10}\\) is …
- The correct comparison for \(\frac{4}{10}\) and \(\frac{8}{100}\) is "greater than". - The equation \(\frac{4\times10}{10\times10}=\frac{40}{100}\) is correct. - Both \(\frac{40…
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0 or 1 the random variable x has the following discrete probability dis…
\( 0 \)
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the table shows the profit from a school book fair based on the number …
\$1.50 per book (the option: \$1.50 per book)
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compare \\(\\frac{4}{10}\\) and \\(\\frac{8}{100}\\). complete the sent…
The first box (numerator multiplier) is 10, the second box (denominator multiplier) is 10, and the "?" in the numerator of the result is 40. So filling in the boxes: \(\frac{4\tim…
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13 plot, order, and compare the following on horizontal and vertical nu…
First set: \(0.68 < \frac{3}{4} < 1\frac{1}{2} < 7\) Second set: \(1\frac{1}{4} < 2.05 < 2\frac{1}{2} < 2.68\)
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5th block/english language arts selection test: a christmas carol: scro…
B. He means that Scrooge's obsession with profit has ruined his character.
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lea and marie are washing all the windows in their house. it would take…
$\frac{1}{60}$
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young children may find it difficult to the differences between right a…
The option with "comprehend" (the fourth option, likely labeled as D if following A - D, but based on the visible text, the correct choice is the one with "comprehend" as it means…
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how can i compare \\(\\frac{7}{10}\\) and \\(\\frac{4}{5}\\)? complete …
10
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the graph shows the amount of money miguel earns after working x hours.…
13 dollars per hour
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10 nso.2.3 solve real-world problems with positive multi-digit decimals…
\( 19\frac{1}{4} \) miles ### Second Problem (Art Teacher's Materials):
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6 compute products of positive fractions, including mixed numbers with …
- \(\frac{5}{8} \div \frac{2}{5}=\boldsymbol{\frac{25}{16}}\) (or \(1\frac{9}{16}\)) - \(\frac{9}{10} \div \frac{3}{4}=\boldsymbol{\frac{6}{5}}\) (or \(1\frac{1}{5}\)) - \(\frac{5…
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bodhi has a collection of 175 dimes and nickels. the collection is wort…
\( 0.1(175 - n) + 0.05n = 13.30 \) (the fourth option: \( 0.1(175 - n) + 0.05n = 13.30 \))
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select the correct answer. an animal shelter takes in an average of 5 a…
B. \( x < 27 \)
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the graph below shows the total cost for lunch, c, when will and his fr…
\$2.50 (Option: \$2.50)
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compare \\(\\frac{1}{2}\\) and \\(\\frac{1}{6}\\). first, think about \…
The number to fill in both boxes is 3. So the completed equation is $\frac{1\times\boldsymbol{3}}{2\times\boldsymbol{3}}=\frac{3}{6}$
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the price of grapes at the grocery store is $1.44 per pound. there are …
D. \$3.20 per kilogram
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eli left his house one afternoon to study at the library. the graph sho…
B. Eli rode his bicycle home from the library.
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the graph shows the relationship between the total amount of money that…
\$20
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4) compare \\(\\frac{1}{2}\\) and \\(\\frac{1}{6}\\). first, think abou…
3
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calories in strawberries the graph shows the relationship between the n…
B. Each strawberry contains 3 calories.
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karl has stamps in his desk drawer. the possible combinations of stamps…
The total number of stamps is 35.
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11. piensa más allá dibuja dos rectas numéricas que muestren que 0.20 y…
Para demostrar que \( 0.20 \) y \( \frac{1}{5} \) son equivalentes, dibuja dos rectas numéricas: 1. **Recta numérica decimal**: - Dibuja una línea de 0 a 1. Divide en 100 division…
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8 nso.3.5 identify equivalent forms of positive rational numbers includ…
(Answers are structured per each value as fraction, decimal, percent: - $\frac{3}{4}$: $\frac{3}{4}$, $0.75$, $75\%$ - $0.625$: $\frac{5}{8}$, $0.625$, $62.5\%$ - $45\%$: $\frac{9…
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the remaining four candidates stay silent. \good, lets continue. i choo…
1. rigged 2. beats 3. thrown 4. anticipates (Notas: Ajustes según el contexto y la lógica del juego de piedra, papel o tijeras, y la trama del cuento sobre manipulación y elección…
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which description is represented by a discrete graph? kiley bought a pl…
Kiley bought a platter for $19 and several matching bowls that were $8 each. What is the total cost before tax?
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the graph shows the relationship between the total cost and the number …
\$100
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question 21 (2 points) listen in hispanic cultures, la persona bien edu…
Question 21: well-mannered, well-brought-up. Question 22: False Question 23: (Note: The full options for Question 23 are not fully visible, but based on common knowledge, if "All …
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otto used 5.5 cups of whole wheat flour and x cups of white flour in th…
\( y = x + 5.5 \); \( x \) is any real number greater than or equal to 0, and \( y \) is any real number greater than or equal to 5.5. (The fourth option)
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the graph shows the relationship between the number of minutes maria sp…
0.1 mile per minute
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the graph shows the relationship between the number of hours that miche…
For each hour that Michelle drove, she traveled an additional 50 miles.