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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© macmillan learning use a standard normal table to determine the proba…
\( 0.8664 \)
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© macmillan learning use a standard normal table to determine the proba…
0.0668
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© macmillan learning use a standard normal table to determine the proba…
\( 0.9332 \)
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the distribution of waiting time for an elevator in an office building …
\( 0.4 \)
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the time spent waiting at a traffic light can be considered a random va…
\( 0.033 \)
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consider the variable joe’s weight next friday. what is the probability…
0
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read this excerpt from chapter 41 of moby-dick using comprehension stra…
Though Ahab is physically weakened, his will for revenge has strengthened him.
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presented is a probability distribution for the number of motor vehicle…
0.92
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presented is a probability distribution for the number of motor vehicle…
0.14
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presented is a probability distribution for the number of motor vehicle…
0.42
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during the past five years, a stock produced returns of 11 percent, 14 …
A. Greater than 95 percent
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read the excerpt from \sinners in the hands of an angry god.\ there wil…
perfect
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read the passage. the woman in the last apartment down the hall was som…
a person who hates or mistrusts other people
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what are the effects of low-fat food labels on food consumption? do peo…
120
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what heuristic estimates the probability of something occurring based o…
availability
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do more creative store - window displays affect shopper behavior? six m…
Explanatory variable(s): window display (more or less creative) Response variable(s): whether the shopper enters the store, desire to enter the store, questions answered by the su…
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question 9 of 30 how does a leader’s justification of their organizatio…
5
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read this excerpt from chapter 1 of the scarlet letter using comprehens…
The prison and cemetery were built early, with the cemetery expanding in size from its original plot.
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read this excerpt from chapter 2 of the scarlet letter using comprehens…
The speaker believes that she and her peers ought to be in charge of assigning sentences in cases like Hester’s.
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college and university debt a student graduated from a 4-year college w…
College student: 0.94 University student: 0.56
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75.0% complete standard arbitration clause: any controversy or claim ar…
C. A buyer’s right to cancel a contract without penalty
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directions: for the following questions, choose the best answer or resp…
C. Burning books goes against the freedoms that Americans hold dear. ### Question 2 (Part B)
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write an integer to represent each situation. explain the meaning of ze…
1. $-2$; Zero means no weight change since last vet visit. 2. $7$; Zero means no yard gain or loss on the play. 3. $-15$; Zero means no money withdrawn or deposited from the accou…
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year returns x y 1 15% 22% 2 29 30 3 10 10 4 -22 -27 5 10 21 using the …
### For X: - Average returns: $\boldsymbol{8.40\%}$ - Variance: $\boldsymbol{279.44000}$ - Standard deviation: $\boldsymbol{16.72\%}$ ###
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read the paragraph. the event lasted two days and was even more success…
It adds a specific detail about place that is relevant to the text’s topic.
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which was the warmest temperature recorded? time | 9:00 a.m. | 11:00 a.…
3
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how are visual representations, such as graphs, helpful for drawing inf…
- First question: Graphs help us see connections visually. - Second question: Digital, analog.
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if i ask a question about a students age, i should do which of the foll…
- First question: Ask them to enter their answer twice and ensure both entries match. - Second question: Representative.
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when a group of urban planners was asked to rank the ten most important…
A. It helped people to adapt to hot and humid places.
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when looking at trends in data, we can often find ________ but often ne…
- First question: correlation, causation - Second question: Considering multiple measures
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experts fear that without conservation efforts, an endangered species c…
\((40\ 16485)\)
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a study of population distribution around the world today would show th…
B. live near fresh water supplies
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the size and distribution of settlements in canada are influenced by th…
D. proximity of the United States and the climate zones
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q. the prefix \ab\ means away or off from. what can you conclude about …
C. It relates to doing away with something, like repealing a law.
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q. given what you can infer about the prefix \uni,\ what is the appropr…
B. Involving one part or side of the argument.
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roberto is at a tennis day camp. the coach has set aside 2 hours to pla…
$\frac{10}{3}$ (or approximately 3.33). The quotient means Roberto can play 3 full mini matches in 2 hours (with a small remaining time not enough for another match).
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q. based on the following words, what is the meaning of the suffix \-an…
A. Denoting a quality or state
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integers to represent quantities write an integer for each situation. e…
| Number | Example | Integer | Meaning of Zero | | ---- | ---- | ---- | ---- | | 1 | Zoey owes her friend $3 | $-3$ | No debt (no money owed) | | 2 | The temperature is 8 degrees …
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question 5 (3.75 points) identify the rhetorical strategy being used in…
Pathos # Question 6
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which question could you ask when considering the use of pathos in writ…
- For the pathos question: Does the writer appeal to the audience's personal values or beliefs? - For the logos question: Does the writer use scientific data and findings from res…
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use integers to represent quantities write an integer for each situatio…
| Example | Integer | Meaning of Zero | | --- | --- | --- | | 1. The basketball team scored 9 points in the last quarter | \( 9 \) | No points scored | | 2. The temperature is 15 …
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question 10 what does it mean to order something on will - call? a conf…
B. Placing an order that can be picked up at the supplier’s facility.
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read the passage from animal farm. that evening squealer explained priv…
A. Squealer's explanation of Napoleon's tactics is representative of a dictator who reverses policies and lies about his reasons.
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what does it mean to crash the schedule? a to compress the overall sche…
A. To compress the overall schedule by accelerating certain activities within it so that they finish sooner
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a bag contains different colored beads. the probability of drawing two …
C. \( \frac{2}{7} \)
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question 5 2 points the cost or time difference between the actual proj…
B. Variance
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6. match each preamble goal with its meaning: (write the letter next to…
Form a more perfect Union: E. Improve the government Establish Justice: D. Make fair laws and courts Insure domestic Tranquility: A. Keep peace at home Provide for the common defe…
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calculator a and b are two events. let ( p(a) = 0.3 ), ( p(b) = 0.8 ), …
B. A and B are independent events because $P(A|B) = P(A)$ and $P(B|A) = P(B)$
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no additional details were added for this assignment. let a represent d…
A. Drinking coffee and drinking water are independent events because $P(A|B) = P(A)$ and $P(B|A) = P(B)$.
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final grade an instructor grades exams, 10%; term paper, 70%; and final…
95.2
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question 16 · 1 point a radioactive substance has a decay rate of 0.079…
1.7
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complete the statement. the hanger is balanced when n = \\square. that …
\(n = 2\), so \(2\) is the solution of the equation \(3n=6\).
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cumulative exam cumulative exam complete 21 22 23 24 25 26 read the exc…
C. Antony displays Caesar’s will and says that if the people read it, they would worship Caesar so much that they would want something from him to worship as a relic.
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describe which measure of central tendency—mean, median, or mode—was pr…
Mean
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cumulative exam cumulative exam complete 21 22 23 24 25 read the passag…
B. Napoleon expects the animals to work harder and eat less.
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read the excerpt from julius caesar, act 2, scene 2. decius. caesar, al…
B. It is ridiculous that a man who has won so many battles would be afraid to tell the truth.
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(1 point) the practice of major mobile device companies of releasing ne…
product improvements
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which weight can you use to replace x and keep the hanger balanced? 3 c…
The hanger is balanced when \(x = 3\). That means \(3\) is the solution of the equation \(x + 2=5\).
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select not independent or independent for each situation. | situation |…
1. A jar contains 3 pennies and 8 dimes. Two coins are selected from the jar without replacement: Not independent 2. A coin is flipped four times: Independent 3. A spinner is divi…
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which type of graph would be most appropriate to display this data? ○ a…
a box - and - whisker plot
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using intervals of width 10, how many intervals are needed for this gra…
25 or more
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cumulative exam cumulative exam complete 21 22 23 read the passage from…
A. He uses parody to show how dictators deflect blame to others. C. He uses reversal to show that dictators do not abide by their principles.
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calculator there are 12 pictures that will be selected from for a displ…
495
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ages of dogs the ages of 20 dogs in a pet shelter are shown. construct …
| Class limits | Class boundaries | Frequency | |--------------|------------------|-----------| | 3 | 2.5-3.5 | 5 | | 4 | 3.5-4.5 | 2 | | 5 | 4.5-5.5 | 1 | | 6 | 5.5-6.5 | 2 | | 7…
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(1 point) what is one reason why diversification is considered to be th…
because of the need to learn about a whole new business
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read the quotations below from ray bradburys fahrenheit 451. match each…
1. "How like a mirror, her face..." → Through others we learn about ourselves. 2. "We need to be really bothered..." → Discomfort can show that you care about something meaningful…
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6. jason spends 2 hours studying for a final test. which choice is a de…
B. the score on the final test
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3. in the following scenario, identify the independent and dependent va…
1. a. Dependent 2. b. Independent
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2. in the following scenario, identify the independent and dependent va…
1. b. Independent 2. a. Dependent
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question 6 · 1 point which expression is equivalent to \\(\\log 9^5\\)?…
A. $5\log9$
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what was the temperature at 12 p.m.?
The temperature at 12 p.m. (noon) is 72 °F.
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one spring day, lydia noted the time of day and the temperature, in deg…
The steepest rate of temperature change (either rise or fall) occurs during the initial rising segment (the first part of the graph where temperature increases rapidly over time).
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find class boundaries, midpoint, and width for the class. 129-149 part:…
Class boundaries: 128.5-149.5 Midpoint: 139 Class width: 20
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the frequency distribution shown is constructed incorrectly. class freq…
class width is not uniform
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setting up camp 1 vacation means something different to everyone. some …
Most campers say that camping reduces stress.
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(1 point) jim wants to increase the market share for his coffee bean co…
find new sellers of his beans at cafes and wholesalers
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joe and tony are entrepreneurs who each own small hardware shops in the…
Equilibrium point
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5. choose the best answer. words and phrases that are not meant to be t…
C. figurative
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esta pregunta no está disponible en español. the average number of move…
0.0021
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question 9 (1 point) find the geometric mean for 2 and 25. blank 1:
\(5\sqrt{2}\) (or approximately \(7.07\) or \(\sqrt{50}\))
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select the best evidence to support the statement that the narrator bel…
The evidence is: "Lonnie wouldn't tell me to jump unless he had a good reason."
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17. expressing \\(\\sqrt{2}\\) as the ratio \\(\\frac{\\sqrt{2}}{1}\\) …
The statement is false.
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name ______ date ______ 10f draw the relationship antagonize / apathy /…
1. permanent-temporary (squiggly), bestow-take away (squiggly), flip over-capsize (straight), haggle-agree (squiggly) 2. homicide-murder (straight), negotiate-arbitrate (straight)…
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q. based on the context of this portion of the commercial lease, what c…
"Demised Premises" refers to the physical property (specifically the retail unit at 123 Peach Tree Lane, Atlanta, Georgia) that the Landlord is leasing to the Tenant under this co…
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question 2 (1 point) find the geometric mean for 5 and 9. blank 1:
\(3\sqrt{5}\) (or \(\sqrt{45}\) or approximately \(6.71\))
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what is one persuasive strategy that fdr uses in the conclusions of bot…
A. He focuses on the unity and strength of the American people and peoples of other nations who believe in freedom.
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which model shows 40%?
The Middle Graph (the green two-block model)
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which model shows 75%? three models are shown, then a submit button
The Top Model
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which model shows 50%?
The top model (with 5 blue and 5 white parts)
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which model shows 10%?
The Top Model (1 green shaded part out of 10)
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which model shows 70%?
The bottom model (yellow)
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which model shows 60%?
The bottom model (with light blue shaded parts)
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which model shows 33\\frac{1}{3}\\%?
The second model (the one with the pink shaded part)
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which model shows 30%?
The bottom model (with red shaded blocks)
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which statement best illustrates how a leader might use logos in a wart…
C. The leader gives statistics that focus on military strengths and successes.
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what challenge do presidents in particular face when persuading an audi…
B. They must avoid overstepping their authority.
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which model shows 75%? two bar models, one with 3 green out of 4 sectio…
The top model (green and white)
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which model shows 20%?
The Top Model (with 5 parts, 1 blue shaded)
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the supervisor at north street metro station keeps track of the ticket …
17000
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the supervisor at north street metro station keeps track of the ticket …
9000