Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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fill in the blank. in the binomial probability formula, the variable x …
number of successes
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assume that different groups of couples use a particular method of gend…
The result is significantly high, because 27 girls is greater than 21.1 girls. A result of 27 girls would suggest that the method is effective.
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determine whether the following procedure results in a binomial distrib…
B. It is not binomial because there are more than two possible outcomes
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college students are randomly selected and arranged in groups of three.…
The mean $\mu = 1.6$ students and the standard deviation $\sigma\approx0.9$ students.
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from the sample space s = {1,2,3,4,...,15}, a single number is to be se…
\(\frac{1}{5}\)
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the given jar contains yellow (y), blue (b), and red (r) balls. anne ra…
1 to 1
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fill in the blank 2 points classify the following statement as an examp…
Subjective probability, since the probability is based on an individual's personal judgment or belief.
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read the excerpt from \the danger of a single story\ by chimamanda ngoz…
B. pathos
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you pick a card at random. without putting the first card back, you pic…
$\frac{1}{15}$
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listed below are the measured radiation absorption rates (in w/kg) corr…
$0.51, 0.75, 1.16, 1.43, 1.70$
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read this excerpt from chapter 2 of the scarlet letter using comprehens…
A. 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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reasons for u.s. entry into wwi (explain how they are reasons and/or wh…
1. Defense of democracy: The U.S. saw itself as protecting democratic ideals against autocratic Central - powers. 2. Unrestricted Submarine Warfare: Threatened American trade and …
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5. as a radiology specialist, you use the radioactive substance \iodine…
$8.3\%$ #### b.
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choose the best idea to add to a summary of “more than a uniform.” athl…
A. Although Olympic uniforms are stylish, they also show what is important to the country they stand for.
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a teacher wanted to fairly choose three students from a class of 28 to …
Student 04, Student 16, Student 23
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3.3 four games, one winner. below are four versions of the same game. y…
(a) 10 flips (b) 100 flips (c) 100 flips (d) 10 flips
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choose the best idea to add to a summary of “more than a uniform.” athl…
Team uniforms sometimes incorporate details that relate to a country's history and cultural background.
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andrew has decided that he is going to rob a bank to pay off his debts …
d. rational choice theory
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3.5 coin flips. if you flip a fair coin 10 times, what is the probabili…
(a) $0.00098$ (b) $0.00098$ (c) $0.999$
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in the boxplot above, the arrow is pointing to the — ○ upper extreme ○ …
upper extreme
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4. the table shown gives the cooling temperatures of a freshly brewed c…
$8.3\%$ #### b.
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2.17 income at the coffee shop. the first histogram below shows the dis…
(a) For the first coffee - shop, the mean is a good representation of a typical income. For the second coffee - shop, the median is a better representation of a typical income. (b…
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identify the values of the following based on the boxplot shown. drag a…
Lower Extreme: 12 Lower Quartile: 14 Median: 16 Upper Quartile: 19
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a news organization surveyed 80 adults. each said he or she gets news f…
0.356
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1. the personnel expenses of a small city were $8.5 million in 2014. ov…
1. - a. Growth factor: $1.032$ - b. Function: $C(t)=8.5(1.032)^t$ - c. Personnel costs in 2020: $\approx10.248$ million dollars 2. Exponential function for tuition: $T(n)=16072(1.…
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a movie theater showed a new movie 15 times over a weekend. the stem - …
The box - and - whisker plot that has a minimum value of 74, $Q_1$ value of 86, median value of 101, $Q_3$ value of 110 and maximum value of 116. (Since no options are given in te…
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movie tickets sold stem leaf 7 4,8 8 5,6,7 9 2,9 10 1,5,5,8 11 0,0,4,6 …
You need to visually inspect the box - and - whisker plots given in the original problem (not shown here in full) and choose the one with the minimum value at 74, Q1 at 89.5, medi…
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at a restaurant grand opening, a giant sandwich that was 352 centimeter…
$a = 352$ - The length, in cm, of the whole sandwich $b = 352\div22$ - The length, in cm, of the sandwich per person $c = 352\div22\div2$ - The length, in cm, of the part of the s…
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the venn diagram below shows the 12 students in ms. jacksons class. the…
(a) \(P(A)=\frac{5}{12}\) \(P(B)=\frac{7}{12}\) \(P(A\ and\ B)=\frac{1}{6}\) \(P(B|A)=\frac{2}{5}\) \(P(A)\cdot P(B|A)=\frac{1}{6}\) (b) \(P(A)\cdot P(B|A)\)
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what is the gist of the part of the passage in the box? teams wear unif…
Teams wear uniforms with symbols that make them proud of their sport.
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the starfish diner serves 6 customers. each customer buys a crispy star…
$a = 3+1$: The cost per customer $b=(3 + 1)\times6$: The total cost before the coupon $c=(3 + 1)\times6 - 1$: The total cost after the coupon
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a theater is selling tickets to a play. adult tickets cost $8 each and …
It means that 30 children's tickets and 7 adult's tickets were sold.
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the circle graph shows how a family spends its annual income. if $30,00…
150000
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a club with 50 college students is doing volunteer work this semester. …
$0.399$
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37 if an interviewer is unsure of what the respondent meant in their an…
B. a restatement probe
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4. austin went to the zoo. he paid $6 to get in and an additional $2 ea…
To graph the function $y = 6+2x$: 1. Mark the point $(0,6)$ on the y - axis (since when $x = 0$, $y = 6$). 2. From the point $(0,6)$, use the slope of 2 (which means for every 1 u…
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select the word that means research. a team of psychologists from emory…
investigation
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p(a)·p(b | a)=p(a and b). (b) select the probability that is equal to p…
$P(A)\cdot P(B|A)$
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read the passage. autumn is a colorful time in many places. in preparat…
plant leaves
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the venn diagram below shows the 12 students in ms. coxs class. the dia…
\(P(A)=\frac{5}{12}\), \(P(B)=\frac{7}{12}\), \(P(A\cap B)=\frac{1}{6}\), \(P(B|A)=\frac{2}{5}\), \(P(A)\cdot P(B|A)=\frac{1}{6}\)
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read the passage. suddenly the crowd outside the gymnasium erupted into…
D. walked in a leisurely manner
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a bathtub has a capacity of 60 gallons. once the plug is pulled, the wa…
After 8 minutes, there are 28 gallons of water remaining in the bathtub.
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1.35 pet names. the city of seattle, wa has an open data portal that in…
(a) Observational study (b) For dogs: Charlie; For cats: Luna (c) No, cat names are not more common for dogs. (d) Negative
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review the story. the marking 1 newts feet hurt from standing at the re…
Newt and the reader already have an idea about what his Mark will mean.
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the equation, $a = 2400(1+\frac{0.031}{4})^{4t}$, represents the amount…
The value 0.031 represents the interest rate, which means the annual compounded interest rate is 3.1%.
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name alexandra c meaningful monday as autumn arrives, the vibrant green…
c. certainty
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another first day it was the first day of school, and mandy was nowhere…
B. It reveals the problem in the story by showing the narrator's thoughts and feelings.
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7. what does carefully probably mean? slowly, with attention quickly, w…
7. slowly, with attention 8. adverb
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5. what does colleagues probably mean? people you work with people you …
5. people you work with 6. noun
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3. what does hopes probably mean? wants to happen does not want to happ…
3. wants to happen 4. verb
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1. what does model probably mean? a teacher an example 2. what part of …
1. B. an example 2. A. noun
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whenever those states which have been acquired as stated have been accu…
- What is the author’s primary purpose in writing this passage? A. to persuade - What does Machiavelli most want the reader to know? A. how to maintain power - What is his seconda…
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whenever those states which have been acquired as stated have been accu…
how to maintain power
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whenever those states which have been acquired as stated have been accu…
to persuade
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use the data in the following table, which lists drive - thru order acc…
The probability of getting an order from Restaurant A or an order that is accurate is $0.907$. The events are not disjoint because it is possible to get an accurate order from Res…
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a class quiz has 4 multiple - choice questions and each question has 4 …
quartered spinner
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the amount of rainfall each month over the past four years is shown bel…
The data is symmetrical, showing that the majority of the monthly rainfall amounts was less than 2.01 or greater than 4 inches.
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determine whether the given source has the potential to create a bias i…
A. There does appear to be a potential to create a bias. There is an incentive to produce results that are in line with preferring private automobiles.
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read the excerpt from the metamorphoses by ovid. deucalion soothes pyrr…
In Baldwin's adaptation, the tone is lighthearted, while in Ovid's original, the tone is serious.
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read this excerpt from chapter 1 of the scarlet letter using comprehens…
A. The prison and cemetery were built early, with the cemetery expanding in size from its original plot
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what is the equation for the linear model in the scatter plot obtained …
$y=-0.3x + 39$
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which situation is the best example of regulation in an economic system…
A state agency has been created to monitor the production and distribution of sports drinks.
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what role do government agencies play in a mixed market economy? they r…
They regulate some aspects of production and distribution.
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answer point a means that the unit rate is 2 pounds per dollar point b …
Point B means that the unit rate is $4.50 per pound
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given the points graphed in the following figure, use quadratic regress…
$y=-0.286x^{2}-2.143x + 0.857$
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you spin the spinner twice. what is the probability of landing on a fac…
$\frac{1}{4}$
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you pick a card at random. without putting the first card back, you pic…
$\frac{2}{7}$
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you roll a 6 - sided die two times. what is the probability of rolling …
$\frac{1}{6}$
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you spin the spinner twice. what is the probability of landing on an ev…
$\frac{1}{4}$
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you pick a card at random. without putting the first card back, you pic…
$\frac{1}{10}$
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you spin the spinner twice. what is the probability of landing on a pri…
$\frac{3}{8}$
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you pick a card at random. without putting the first card back, you pic…
$\frac{3}{10}$
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you pick a card at random. without putting the first card back, you pic…
$\frac{1}{10}$
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my assignments of the crowd followed suit, making it seem as if the ent…
D. People can be led towards making good choices
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using the internet, newspapers, or magazines: find an example of each t…
The y - axis does not start at 0, exaggerating differences in housing costs among cities.
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antonyms are words with opposite meanings. the words asleep and awake a…
1. narrow 2. found 3. late 4. sour 5. dark 6. dirty
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how do moral dilemmas in act 5, scene 3, contribute to meaning in juliu…
The dilemmas demonstrate how being inflexible can result in dire situations.
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brutus: cassius: how do these moral dilemmas contribute to the meaning …
Both dilemmas demonstrate the tragic results of war.
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assignment active \i didnt take them seriously\ usually i thought i sto…
The author and many others underestimated the Nazis by focusing on their seemingly comical and repulsive qualities, rather than recognizing the true and extreme danger they posed.…
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kinds: the national geographic and the junior red cross news. because t…
C. The boys treat the girls terribly, which makes Miss Ralston determined to show them girls are equal to boys.
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text dependent questions for chapter 9: in the witchs house 1. what did…
1. The answer depends on the details in the text. For example, they might have seen strange furniture, potions, etc. 2. The text should describe how the witch greeted or interacte…
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part a: by percent a circle graph represents a whole, divided into sect…
1. a) 30% b) (Answer depends on the circle - graph, not clear from the image) c) 20 2. | Category | Amount per Month | Percent of Budget | |--|--|--| | Clothes | $300 | 15% | | Ch…
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opportunity cost means that something needs to be replenished. given up…
B. given up
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1. torments 2. ravaging 3. nymph 4. relent 5. wrath 6. arrogance 7. int…
1. **Torments** - **Brief Explanations**: - Definition: Great physical or mental suffering. Part - of - speech: Noun. Synonym: Agony. Antonym: Pleasure. Sentence: The torments of …
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the trouble started right away as soon as we got into the school yard, …
The boys react aggressively towards Alma. They do this because they see Miss Ralston's response as a threat to their exclusive claim on the activity of carrying water.
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now our teacher that year was named miss ralston and even though she ca…
A. stern E. thoughtful
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as used in this passage, what does illuminated mean? to be observed to …
To have light from some source shine on an object
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match each part of the formula with its meaning a: slope; also tell the…
a - slope; also tell the direction that the parabola opens. (Incorrect, it determines opening direction and steepness) h - horizontal movement of the parabola (Correct) k - vertic…
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the water for our school came from a pump at the railway station, which…
Alma's question has a disruptive effect on the rest of the school because it challenges the long - established gender norm of only boys being allowed to carry water, causing surpr…
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fuel efficiency, measured in miles per gallon, is a feature often consi…
point D
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national geographics first, which meant they could spend the rest of re…
D. She feels powerful because she is observing the room from the teacher's view.
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a guidance counselor wants to determine if there is a relationship betw…
This point will increase the value of the standard deviation of the residuals because it has a large negative residual.
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in for formula $y = a(x - h)^2 + k$, the “$-h$” mean that $h$ is negati…
False; that is a subtraction (minus) sign and DOES NOT mean that $h$ is negative
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a school district wanted to compare act scores between two of its schoo…
The mean score for the sample from school A is greater than the mean score for the sample from school B.
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match each part of the formula with its meaning a h k (h, k) x = h vert…
a: slope, also tell the direction that the parabola opens h: horizontal movement of the parabola k: vertical movement of the parabola (h,k): vertex x = h: axis of symmetry
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academic vocabulary the verb distinguish has more than one meaning: \to…
Science focuses on understanding natural phenomena, while technology focuses on applying scientific knowledge for practical use.
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my assignments would be beer and darts in the evenings, and lots of peo…
A. to urge someone to do something
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peculiar way, they both appear to be sort of connected together as well…
A. He starts to remember something that happened to them.
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my assignments \such charming boys,\ a voice behind him answered, and h…
D. They sound familiar to Billy.
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the weight (in pounds) and height (in inches) for a child were measured…
The y - intercept is 17.37. When the weight is 0 pounds, the height will be 17.37 inches.