Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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the table shows the distribution, by age and gender, of the 29.0 millio…
\(0.12\)
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Question was provided via image upload.
It is not correct because there was no data in the class 50-59.
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fill in each blank so that the resulting statements are true. if it is …
If it is impossible for events \(A\) and \(B\) to occur simultaneously, the events are said to be **mutually exclusive**. For such events, \(P(A\ or\ B)=P(A)+P(B)\).
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the winner of a raffle will receive a 21-foot outboard boat. if 2000 ra…
\(39:1\)
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supporting inferences: literary text — quiz — level f what happens in t…
First blank: to Jason (assuming the dropdown option is "Jason"), Second blank: Aaron (assuming the dropdown option is "Aaron")
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i - ready supporting inferences: literary text — quiz — level f 40 what…
First blank: give up the computer
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exam - requires respondus lockdown browser + webcam seal count at seal …
2009; 42
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seal count at seal point there were the fewest number of seals visible …
2008 and 25
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question 3 (2 points) listen using the same graph as from #1, what was …
Decrease of 10 seals.
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question 2 (2 points) listen graph: seal count at seal point from 2008 …
B. Increase of 15 seals.
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at the beginning of spring, kaylee planted a small sunflower in her bac…
The sunflower's height after one week.
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naturalists visited a location inhabited by seals, aptly called seat po…
A. In 2010, 35 total seals made their home at Seal Point.
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it is computed that when a basketball player shoots a free throw, the o…
\(\frac{5}{28}\)
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if you are given odds of 7 to 8 in favor of winning a bet, what is the …
\(\frac{7}{15}\)
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every person has one of eight blood types, determined by molecules on t…
\(1:9\)
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a die is tossed. find the odds against rolling a number greater than 1.…
\(1:5\)
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a single die is rolled. find the odds in favor of rolling a number grea…
\(2:1\)
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the game of scrabble has 100 tiles. the diagram shows the number of til…
\(1:19\)
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the game of scrabble has 100 tiles. the diagram shows the number of til…
\(1:49\)
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the table shows the educational attainment of a population, expressed i…
\(16:41\)
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c now many questions were on the test? 25 there are 28 students in a cl…
57.1%
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the table shows the educational attainment of the population in a certa…
\(\frac{125}{167}\)
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the table shows the educational attainment of the population of a count…
\(\frac{107}{169}\)
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kyle was playing archery and shot 20 arrows. 30% of them hit the bullse…
6
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an app estimates phone usage by counting the number of times a phone sc…
The margin of error is \( 12.83 \) (assuming 95% confidence level; if a different confidence level is intended, the \( z \)-value changes, but 95% is standard for such problems wi…
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an app estimates phone usage by counting the number of times a phone sc…
The standard deviation is \( \boldsymbol{32.72} \) (rounded to the nearest hundredth)
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an app estimates phone usage by counting the number of times a phone sc…
The mean is \(\boxed{110.04}\)
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find the margin of error and 95% confidence interval for the survey res…
Confidence interval is from 29% to 35%.
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find the margin of error and 95% confidence interval for the survey res…
2
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what type of irony occurs when something is said with a meaning that is…
B. verbal irony
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ryan’s classmates each calculated the mean time it takes to get ready f…
First part: 2 Second part: 11 - 30
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match the following terms with their definitions. viceroy raj nationali…
- viceroy: a person appointed to rule a colony as the representative of a monarch - raj: a Hindi word that means "rule" - nationalism: strong sense of national identity that puts …
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ryans classmates each calculated the mean time it takes to get ready fo…
2
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match the following terms with their definitions. viceroy raj nationali…
- viceroy: a person appointed to rule a colony as the representative of a monarch - raj: a Hindi word that means "rule" - nationalism: strong sense of national identity that puts …
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question 7 of 9 stacked the histograms applet displays the travel times…
lower bound of the class: \(15\) upper bound of the class: \(20\)
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a single die is rolled twice. find the probability of rolling an even n…
\(\frac{1}{12}\)
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question 6 of 9 stacked the histograms applet displays the travel times…
lower bound of the class: \( \boldsymbol{10} \) upper bound of the class: \( \boldsymbol{20} \) Number of students: \( \boldsymbol{7} \)
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use the spinner shown. it is equally probable that the pointer will lan…
$\frac{9}{16}$
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use the spinner shown. it is equally probable that the pointer will lan…
\(\frac{3}{4}\)
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verbal irony is best defined as \a contradiction between what is said a…
"a contradiction between what is said and what is really meant"
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3. a group of seventh - grade students were asked to select their favor…
22.5 (or 23 if rounding to whole number)
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use the spinner shown. it is equally probable that the pointer will lan…
$\frac{9}{16}$
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review the passage. the verbal irony is shown in bold. as i started for…
It implies that the people are more interested in entertainment than their own homes.
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question 9 the range of the correlation coefficient is from 0 to 1. tru…
A. \(0.0668\)
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am i ready? for exercises 1 and 2, use the information to answer the qu…
100
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review the passage. the personification is shown in bold. i pulled the …
It illustrates how cold it is.
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fill in the blank so that the resulting statement is true. if it is pos…
\(P(A)+P(B)-P(A\text{ and }B)\)
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review the passage. the hyperbole is shown in bold. \aint you thinkin w…
It suggests that it is fruitless to think too much about the future.
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fill in the blanks so that the resulting statement is true. because p(e…
\( P(\text{not } E) = \boldsymbol{1 - P(E)} \) and \( P(E) = \boldsymbol{1 - P(\text{not } E)} \)
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5. on each of the last three quizzes, harold worked 24 out of 30 proble…
40 problems
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review the passage. the hyperbole is shown in bold. true!—nervous—very,…
It produces a feeling of madness.
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the table shows the educational attainment of the population of a certa…
\(\boxed{\dfrac{115}{173}}\)
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review the passage. the simile is shown in bold. as i was waiting, a ma…
It highlights Long John's impressive physical stature.
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the table shows the educational attainment of the population in a certa…
\(\frac{121}{163}\)
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it is equally probable that the pointer on the spinner shown will land …
\(\frac{3}{4}\)
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you are dealt one card from a 52-card deck. find the probability that y…
\(\frac{11}{26}\)
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a single, six - sided die is rolled. find the probability of rolling an…
\(\frac{2}{3}\)
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riding along in your automobi your trip is planned, but its time to fig…
Estimated total distance: 4300 miles Exact total distance: 4287 miles Difference between estimated and exact: 13 miles Difference in distances (longest-shortest): 1113 miles Diffe…
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the table shows the distribution, by age, of a random sample of 3170 mo…
\(\frac{206}{317}\)
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in 7-card poker, played with a standard 52-card deck, \\(_{52}c_7\\), o…
\( 0.999962 \)
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in 7-card poker, played with a standard 52-card deck, $_{52}c_7$, or 13…
\(0.999994\)
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you are dealt one card from a 52-card deck. find the probability that y…
\(\frac{12}{13}\)
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field goal % cle 65.0 ind 42.9 3-pointer % cle 37.5 ind 42.9 cle ind fi…
The subfield that best applies is Statistics (under Mathematics) as we are analyzing numerical sports data (percentages, counts) using statistical calculations like percentage for…
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narrator: tortoise cut hyena’s fur into different lengths. some stood s…
C. what the actors are doing or how they sound ### Question 2
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if the value of the item increases at a rate of 8% each year, what is t…
D. $10,206
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question 1 (multiple choice worth 2 points) the swimming team has compe…
15
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directions: answer the questions below based on the text, \exploring ca…
1. d. They organize the text so the reader can follow the step - by - step guidance 2. a. They summarize key information 3. d. It makes the text seem more interesting by using num…
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dramatic structure quick check romeo and juliet by william shakespeare …
She interrupts Juliet’s speech to Romeo
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the function $f(t) = 340(1.021)^t$ can be used to estimate the populati…
B. The growth factor of the population of rabbits in the neighborhood is 1.021. C. The initial population of rabbits increased at a rate of 2.1%
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a population of mosquitos increases by 3.5% everyday. at the beginning …
The city started with 25000 mosquitoes, The growth factor is 1.035, The mosquitoes are increasing everyday
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calculate residual from context (hot cocoa) this is the only question i…
-1
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calculate residual from context (catfish) this is the only question in …
3
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question rajani has a part - time job at an ice skating rink selling ho…
\(-6\)
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5. a mother is preparing her daughter’s bath. she fills the bathtub. th…
At 3 minutes, the bathtub stops filling for 1 minute: Yes The bathtub is filled to a height of 12 inches: No The total bath time is 12 minutes: No The total bath time is 15 minute…
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calculate residual from context (hot cocoa) this is the only question i…
# Explanation: ## Step1: Recall Residual Formula Residual is calculated as \( \text{Residual} = \text{Observed Value} - \text{Predicted Value} \). ## Step2: Identify Observed and …
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question ximena’s math teacher plots student grades on their weekly qui…
\( -6 \)
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find the mean proportional for 2, 18
\(6\)
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question jose decides to research the relationship between the length i…
-1.2
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caring lara 1. lara was at peter’s house because she never broke a prom…
B. destroyed by a tenth.
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11. match the descriptions below with the graphs. be sure to explain yo…
Albert won the race because his distance - time graph reaches the finish line (maximum distance) in the shortest time among the three runners. ### Final Answer for Question 13:
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tomato chutney a. gautam mother goes on an exploration of our backyard …
C. continually present
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because the greek root aisthetikós means pertaining to sense, perceptio…
D. perceived or sensed as beautiful or pleasing
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2. 12.6 is what percent of 42?
\(30\)
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which correctly lists all of the belligerents in the crimean war? ○ rus…
A. Russia, the Ottoman Empire, France, and Britain
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as a result of the crimean war, the ottoman empire became more reliant …
B. Britain and France helped the empire win the war.
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use the graph to estimate the average rate of change of the percentage …
2.5 0 1.25
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find the mean, median, and mode of the data, if possible. if any of the…
- Median score: \(11.3\) (Option A for median calculation, Option A for median representing the center) - Mode of the scores: \(11.8\) (Option A for mode calculation, Option A for…
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the numbers of regular season wins for 10 football teams in a given sea…
The range is \(\boldsymbol{13}\) The population mean is \(\boldsymbol{8.3}\) The population variance is \(\boldsymbol{21.41}\) The population standard deviation is \(\boldsymbol{4…
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based on the data shown below, calculate the correlation coefficient (t…
\(-0.924\)
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40 bugs are in a bucket. 17 of them are ladybugs. a bug is randomly dra…
0.17
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an item is randomly drawn from a bag with 16 fruit cups, 3 vegetable cu…
0.93
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a marble is randomly drawn from a bag that with 5 blue marbles, 8 red m…
0.65
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use the frequency histogram to complete the following parts. (a) identi…
### (a) Greatest: 40.5 to 42.5 cm; Least: 46.5 to 48.5 cm (or the right - most small class) ### (b) Greatest ≈ 0.25; Least ≈ 0 ### (c) Unimodal, peaking at 40.5 - 42.5 cm, with fr…
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a random sample of students were surveyed as to how much non - school s…
20
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which is most useful in understanding how the cost of a college educati…
B. data and statistics
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find the unknown quantity in the following percent problem using the fo…
94.41
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a survey stopped men and women at random to ask them where they purchas…
\(57\%\)
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a survey asked a group of adults and youths if they prefer reading book…
| | Print | Electronic | Total | |---|---|---|---| |Youths|30|26|56| |Adults|29|39|68| |Total|59|65|124|
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alec borrows $1,500 from the bank. to pay back the loan this year, he w…
$\$1,680$
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a survey asked a group of adults and youths if they prefer reading book…
| | Print | Electronic | Total | |--|--|--|--| | Youths | $29$ | $26$ | $55$ | | Adults | $37$ | $29$ | $66$ | | Total | $66$ | $55$ | $121$ |