Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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wild lumber company ships construction materials from three wood - proc…
The linear optimization model is: Minimize $Z = 7.30x_{11}+6.80x_{12}+6.10x_{13}+4.60x_{21}+9.00x_{22}+8.30x_{23}+8.10x_{31}+5.30x_{32}+5.80x_{33}$ Subject to: $x_{11}+x_{12}+x_{1…
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apter 06 homework: supply chain design millard lumber company ships con…
The formulated linear optimization model is as described above for minimizing the total distribution cost. To find the total distribution cost at the optimal solution, use Excel S…
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which choice best explains why the mid - latitude regions are more dens…
The regions have moderate climate and are more suitable for human living and economic activities compared to higher and lower latitudes.
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one monday morning at school, anuja made tiesha laugh really hard. when…
D. Anuja uses the literal meaning of "cracking up" to make a joke
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b. identify the output variable. the output variable is c. c. use f to …
$(20000,8980)$
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the cost to own and operate a car depends on many factors, including ga…
B. $f(20000)=8980$. It costs $8980$ per year to own a small sedan and drive it 20,000 miles.
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there once was a man whose head and hands worked together to solve prob…
C. A "thinking cap" is a metaphor for making a plan, and a cap is a hat that would keep the head warm
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directions: drag the tiles to the boxes to form correct pairs. match ea…
divine light ↔ stood like a pillar of cloud crimson red ↔ ancient blood - stains against the dark - blue sky reminders of earlier days ↔ torn and faded banners of the departed sum…
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read the lines from the poem. serene the silver fishes glide, stem - li…
C. The fishes' personification makes them seem like they are observers of the world.
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it has been estimated that 40% of marriages end in divorce. if you rand…
0.9899
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find the indicated probability. a report from the secretary of health a…
0.22
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23 multiple choice 4 points find the indicated probability. empirical e…
0.26
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22 multiple choice 4 points determine the probability distributions mis…
$\frac{2}{27}$ (corresponding to option B if the options are labeled as in the multiple - choice setup in the question)
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21 multiple choice 4 points classify the variable as discrete or contin…
discrete
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20 multiple choice 4 points classify the variable as discrete or contin…
continuous
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determine the following proportion. the following table categorizes the…
10/20
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find the indicated probability. the distribution of masters degrees con…
0.474
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a card is drawn from a standard deck of 52 playing cards. find the prob…
$\frac{7}{13}$
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find the indicated probability. a survey of senior citizens at a doctor…
0.90
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find the indicated probability. a survey revealed that 31% of people ar…
0.40
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14 multiple choice 4 points determine whether the events are mutually e…
not mutually exclusive
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statistics show that about 42% of americans voted in the previous natio…
E. 0.20
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determine the following proportion. the following table categorizes the…
2/20
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applicants for a job first submit a written application. based on the w…
B. 0.232
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10 multiple choice 4 points find the indicated probability. a multiple …
0.04
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9 multiple choice 4 points select the most appropriate response. an eve…
that events $A$ and $B$ are dependent.
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8 multiple choice 4 points select the most appropriate response. the mu…
B. The events must be independent.
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multiple choice 4 points select the most appropriate response. two even…
The probability of the other occurring is unchanged.
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6 multiple choice 4 points select the most appropriate response. two ev…
D. The probability of the other occurring is changed.
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4 multiple choice 4 points true or false. if the probability of an even…
B. False
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3 multiple choice 4 points true or false. a probability cannot be negat…
A. True
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2 multiple choice 4 points select the most appropriate response. if the…
We would expect the event to occur about one percent of the time.
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5. why does the story keep talking about andres hairline and his “crown…
The story uses Andre's hairline and "crown" as symbols, possibly representing his self - esteem, pride, or identity, and are likely used for character development or to convey a t…
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1 multiple choice 4 points select the most appropriate response. what i…
C. sample space
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find the standard deviation, $sigma$, for the binomial distribution whi…
C. $\sigma = 10.28$
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find the mean, μ, for the binomial distribution which has the stated va…
C. $\mu = 473.2$
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assume that random guesses are made for 2 multiple - choice questions o…
$0.640$
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39.9% of consumers believe that cash will be obsolete in the next 20 ye…
$0.317$
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twenty percent of adults in a particular community have at least a bach…
A. \(P(x>30)\)
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assume that a procedure yields a binomial distribution with n = 3 trial…
$0.375$
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multiple - choice questions each have five possible answers (a, b, c, d…
$\frac{48}{125}$
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question 3, 5.2.13 part 1 of 3 multiple - choice questions each have fi…
$\frac{16}{125}$
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multiple - choice questions each have five possible answers (a, b, c, d…
$\frac{16}{125}$
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identify the expression for calculating the mean of a binomial distribu…
A. $np$
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based on a survey, assume that 41% of consumers are comfortable having …
$n = 5$, $x = 2$, $p = 0.41$, $q = 0.59$
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the accompanying table describes the random variable x, the numbers of …
a. \(0.021\) b. \(0.025\) c. A. Since the probability of getting 4 or more sleepwalkers is the probability of the given or more extreme result, the result from part (b) is the rel…
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describe what fixed costs and marginal costs mean to a company. choose …
B. Fixed cost is the constant for a particular product and does not change as more items are made. Marginal cost is the rate of change of cost C(x) at the level of production x an…
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7. a random sample of 1,000 adults complete a survey about nightly slee…
E. Because random sampling was used in the absence of using random assignment, the results can be generalized to the population of adults, but we cannot infer that stress level is…
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what is the mean of a probability distribution? choose the correct answ…
B. The mean is the expected value of the random variable.
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explain how to find the mean of a discrete random variable. choose the …
D. To find the mean of a random variable, multiply each value of the random variable by its probability and then add those products.
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determine whether the distribution is a discrete probability distributi…
A. No, because the probabilities do not sum to 1.
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determine whether the distribution is a discrete probability distributi…
A. No, because some of the probabilities are negative and they must all be between 0 and 1 inclusive.
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identify the requirements for a discrete probability distribution. choo…
B. The sum of the probabilities must equal one. Each probability must be between zero and one inclusive.
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fill in the blank. in a probability histogram, there is a correspondenc…
area and probability
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determine whether the value is a discrete random variable, continuous r…
a. B. It is a discrete random variable. b. B. It is a discrete random variable. c. C. It is not a random variable. d. A. It is a continuous random variable. e. B. It is a discrete…
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homework: hw 5.1 question 2, 5.1.ra - 3 fill in the blank. a ______ ran…
continuous
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fill in the blank. a ______ random variable has either a finite or a co…
discrete
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1. which one of the following answer options best represents the basic …
E. Controlling for outside variables, randomizing treatment assignments, and replicating with a sufficient sample size
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exponential regression the table below shows the population of a fictio…
1. \(P(t)=8869.77\times0.983^{t}\) 2. \(1.7\) 3. \(3528\) 4. The population of Lehi \(55\) years after 1880 was about \(3528\) people. 5. \(137\) 6. In \(137\) years after 1880, t…
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nevaehs math teacher finds that theres roughly a linear relationship be…
The number of hours a student should spend on their homework to expect a score of 81 on the quiz.
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nakeisha is going to the amusement park, where she has to pay a set pri…
The total amount of money Nakeisha will spend if she goes on 1 ride.
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fwam is preheating his oven before using it to bake. fwam wants to pred…
The oven's temperature after 1 minute.
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what is the meaning of the word bestow as used in the passage? a tradit…
to present or provide
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text - dependent questions the lightning thief, chapter rl.4.1, rl.4.2,…
1. D. intelligent 2. Root: ratio (reason, logic), Suffix: -al (makes it an adjective) 3. Rational means having the ability to think, understand, and make logical judgments.
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what is the meaning of the word pertain as used in the passage? brett i…
to have to do with
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what is the meaning of the word morsel as used in the passage? after a …
tiny bit of food
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1 true or false 10 points current reading theory demonstrates that mean…
1. True 2. Writing your thoughts while you read in the margins
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for a 4 - units class like statistics, students should spend average of…
a) 9 hours and 15 hours b) 6 hours and 18 hours c) 3 hours and 21 hours
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what is the meaning of the word arid as used in the passage? the arabia…
having little or no moisture
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what is the meaning of the word consolation as used in the passage? aft…
relief from sadness or suffering
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scores on the sat test have a mean of 1475 and a standard deviation of …
Jamie's z - score on SAT is $-2.49$ and Jamie's z - score on ACT is $-2.55$. Since Jamie's z - score on SAT is greater than z - score on ACT, we conclude that the SAT score is rel…
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jayden scored 67 in the class with the mean 72.4 and the standard devia…
Jayden's z - score is $-0.92$ and Chance's z - score is $-0.80$. Since Jayden's z - score is less than Chance's z - score, we conclude that Chance scored relatively better.
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on a recent quiz, a class mean was 72 with a standard deviation of 8.2.…
z - score: 2.20 Would getting a score of 90 be considered unusual/significant? Unusual/Significant
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on a recent quiz, the class mean was 74 with a standard deviation of 3.…
z - score: - 0.94 Not Unusual/Not Significant
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2. -/1 points why does the vertical line test tell us whether the graph…
When a vertical line intersects the graph of a relation more than once, it indicates that for that input there is more than one output, which means the relation is not a function.
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on a recent test, the class mean was 8.1 with a standard deviation of 1…
z - score: 1.36 Not Unusual/Not Significant
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the results of a common standardized test used in psychology research i…
$2.2$
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the amount of snowfall is a function of the elevation. complete parts a…
There were 4 inches of snowfall at an elevation of 2000 feet.
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a) at a particular gas station, the cost of a gallon of gas, in dollars…
a) B. f(87) is the cost, in dollars, of one gallon of 87 - octane gasoline. b) s(25) is the distance, in miles, that John has traveled in 25 minutes.
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question 2, 1.1.2 part 1 of 2 hw score: 5.88%, 1 of 17 points points: 0…
a) B. f(87) is the cost, in dollars, of one gallon of 87 - octane gasoline. b) s(25) is the distance traveled, in miles, in 25 minutes.
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toms electronics offers five models of cell phones (a, b, c, d, and e).…
13
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12 multiple choice 6.67 points from the same scenario as before: a geni…
0.38%
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when tawny is asked to write down her dreams as a class assignment, she…
activation - synthesis hypothesis
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4 multiple choice 6.67 points which is the odd one out? (¿cuál es el im…
D. 68%
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3 tries left calvin had a dream about his dog snoopy in which he consta…
D. manifest content, latent content
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13 multiple choice 6.67 points a standardized test at ohs is given to 1…
B. 522
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from the previous question, the probability that he scores between 80 &…
True
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multiple choice 1 point what does \path dependence\ mean in the context…
The past events and decisions create a self reinforcing trajectory that makes it difficult for political identities to change once they are formed
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iq scores of people around the world are normally distributed, with a m…
The probability that a randomly - selected person would score less than 122 is approximately $0.9292$. Since the closest option to $0.9292$ among the likely options (not shown ful…
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42 multiple choice 1 point what does the \supremacy clause\ in a federa…
The central or federal government law takes precedence over sub - government or state law when there are conflicts
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a basketball - average scoring score is 174, and it is normally distrib…
2.3% (closest to 2.28%, so if we assume the options are approximations, we need to know the options clearly, but based on the calculation the proportion of games with a score more…
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matching 4.67 points match the items with the correct answers (relacion…
Empirical Rule - 68 - 95 - 99.7 What is the Mean? - The average What is the Standard Deviation? - Spread of Data
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40 multiple choice 1 point the \common good vs individualism\ document …
Citizens know that by making small sacrifices for the public good, such as participating in local government, engaging in charitable work, or being honest in business dealings, th…
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7 true or false 6.67 points the amount of standard deviations under the…
False
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3. when we pray for others, including our enemies. when we pray for oth…
3. Intercessory prayer; Example: Praying for a sick friend to get well. 4. Thanksgiving prayer; Example: Thanking God for a good - grade on a test. 5. Adoration prayer; Example: S…
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if asked to find an area to the right of the curve what must be done? (…
1 - z - score area
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from the previous question; find the percent of heights between 125 cm …
C..2790
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2 multiple choice 6.67 points the heights of all 10 - year old children…
B. 84%
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normal distribution exam i used to be addicted to soap, but im clean no…
False
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use a scatter plot to display the data shown in the table available bel…
First part: Without seeing all options clearly (assuming only A and C are shown fully), we need to plot the points (35, 17.16), (37, 15.83), (34, 15.79), (40, 16.71), (34, 16.80),…