Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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a normal distribution has mean $\\mu = 505$ and standard deviation $\\s…
\(81.85\)
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use the table below to calculate the area of virginia. round your answe…
\(42774\) square miles.
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assume the random variable x is normally distributed with mean μ = 50 a…
The probability \(P(X>38)\approx0.9564\). For the multiple - choice part (assuming we are just asked about the probability calculation here, but if we consider the curve - selecti…
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in this part of the selection, what does the phrase \your luck has run …
C. You have no more good luck.
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according to a recent reporting on a standardized test, the average mat…
\(729\)
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in china, the word for rice means food. when chinese people meet friend…
A. "May your rice never burn!" D. "Have you had your rice today?"
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according to a recent reporting on a standardized test, the average mat…
The score that would qualify students for the scholarship program is approximately \(729.1\). For the normal curve, option A is correct as it shows the shaded area (top 5%) on the…
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problem 6 this table shows the population of a city from 1988 to 2016. …
1992 and 1996
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according to a recent reporting on a standardized test, the average mat…
The percentage of the math test - takers from this state who scored between 600 and 652 is \(16.1\%\) (rounded to one decimal place). For the Normal curve: - The x - axis is label…
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according to a recent reporting on a standardized test, the average mat…
\(34.5\%\)
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according to a recent reporting on a standardized test, the average mat…
Approximately \(34.46\%\) of the math test - takers scored 600 or more.
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according to a medical journal, the distribution of weights of newborn …
The percentage of newborns classified as "low birth weight" is \(3.6\%\). The correct graph is B.
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according to a medical journal, the distribution of weights of newborn …
The percentage of newborn babies that weigh between \(3100\) and \(3900\) grams is \(52.6\%\) (rounded to one decimal place). For the graph: The correct graph is \(C\) because the…
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problem 5 this table shows the population of a city from 1988 to 2016. …
\(-1125\)
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according to a medical journal, the distribution of weights of newborn …
\(17.6\)
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according to a medical journal, the distribution of weights of newborn …
C.
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three skeleton key watching her sailing dead for us, a white wave boili…
1. The ship's crew may have abandoned the ship. 2. The reference to the Flying Dutchman creates a sense of mystery and foreboding, suggesting that the ship is cursed or doomed.
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assume that the random variable x is normally distributed, with mean μ …
\(0.2514\)
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problem 4 r(t) and k(t) model the savings account balances of rafael an…
Katie has a lower average rate of change in the last two years.
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assume that the random variable x is normally distributed, with mean μ …
The probability \(P(X\leq44)\approx0.1271\). For the multiple - choice part (assuming the options are about the position of the shaded region on the normal curve), the correct sha…
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find the value of $z_{\\alpha}$ $\\alpha = 0.26$ the value of $z_{0.26}…
\(0.64\)
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find the value of $z_{\\alpha}$ $z_{0.33}$ $z_{0.33}=\\square$ (round t…
\(z_{0.33}=0.44\)
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find the z - scores that separate the middle 72% of the distribution fr…
\(-1.08,1.08\)
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what does \teacher\ mean? the result of teaching something a building w…
a person whose job is to teach
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what does \politeness\ mean? the state of being polite an act that isnt…
the state of being polite
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a construction crew is paving a road. the function graphed below shows …
(a) \(P(11) = 6\). This means that after the crew has been working for \(11\) weeks, they will have \(6\) kilometers left to pave.
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find the z - scores that separate the middle 77% of the distribution fr…
\(-1.20,1.20\)
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you roll a six - sided die twice. what is the probability of rolling an…
A. \(\frac{1}{4}\)
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you are rolling two dice at the same time. what is the probability of r…
C. \(\frac{2}{9}\)
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find the z - scores that separate the middle 77% of the distribution fr…
\(-1.20,1.20\)
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randy is starting a beehive so that he can have fresh honey. he decides…
A. 1,200
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nullification has the same or almost the same meaning as: annulment nou…
Annulment
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which is most important when drawing a line of best fit for data on a s…
# Explanation: ## Step1: Understand the concept of line[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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informally fit a straight line which is most important when drawing a l…
A. graph A
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in your own words, describe what separation of powers means.
Separation of powers is a system dividing government authority among distinct branches (like legislative, executive, judicial) with each having its own functions and powers to pre…
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find the z - score such that the area under the standard normal curve t…
\(1.23\)
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determine the total area under the standard normal curve in parts (a) t…
\(0.0026\)
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24. reading mario has a 500 - page novel which he is required to read o…
a. The function is \(p(d)=500 - 24d\). b. Estimated zero: \(d\approx21\) (by looking at the \(d\) - value where the graph of \(p(d)=500 - 24d\) crosses the \(d\) - axis). c. Algeb…
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determine the total area under the standard normal curve in parts (a) t…
\(0.0633\)
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drag the right word to the words that mean the same thing change, revis…
amendment
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find the expected value (μ) of the random variable with the given proba…
$3.9$
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scintillating has the same or almost the same meaning as: envious intim…
D. lively
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determine the area under the standard normal curve that lies between (a…
\(0.3531\)
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determine the area under the standard normal curve that lies between (a…
\(0.7458\)
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tortuous has the same or almost the same meaning as: subser vient hilar…
knotty
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find the indicated probability using the standard normal distribution. …
\(0.3610\)
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determine the area under the standard normal curve that lies to the rig…
\(0.4168\)
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a pair of standard dice are rolled. find the probability of rolling a s…
\(\frac{1}{12}\)
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drag the right word to the words that mean the opposite reliance, depen…
independence - dependence
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determine the area under the standard normal curve that lies to the rig…
\(0.2061\)
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use technology to find the indicated area under the standard normal cur…
The probability that a z - score will be between - 1.4 and - 1.04 is \(0.0684\)
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10 multiple choice 1 point maggie has been exercising by climbing steps…
\(140\%\)
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use technology to find the indicated area under the standard normal cur…
a. \(0.8186\) b. \(0.1814\) c. \(0.0684\)
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use technology to find the indicated area under the standard normal cur…
\(0.1814\)
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use technology to find the indicated area under the standard normal cur…
a. \(0.8186\) b. Option C c. \(0.0684\)
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use technology to find the indicated area under the standard normal cur…
\(0.8186\)
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use technology to find the indicated area under the standard normal cur…
A.
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use the accompanying radiation levels (\\( \\frac { w } { k g } \\)) fo…
\(1.295\)
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a line of best fit was drawn to the plotted points in a data set below.…
\(13\)
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use the accompanying radiation levels \\( \\left( \\frac { w } { k g } …
\(1.28\)
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the depths (in inches) at which 10 artifacts are found are listed. comp…
\(36.0\)
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the ages (in years) of a random sample of shoppers at a gaming store ar…
\(16.4\)
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the numbers of courses taught per semester by a random sample of univer…
The sample standard deviation is \(s = 0.9\)
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the distribution of the number of hours that a random sample of people …
\(s = 8.0\)
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the mean value of land and buildings per acre from a sample of farms is…
Unusual: B. \(\$249\), F. \(\$1856\) Very unusual: G. None of the data values are very unusual.
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compare the three data sets on the right. (a) which data set has the gr…
(a) - Greatest sample standard deviation: A. Data set (iii), because it has more entries that are farther away from the mean. - Least sample standard deviation: C. Data set (i), b…
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discuss the similarities and the differences between the empirical rule…
- Similarity: C. Both estimate proportions of the data contained within \(k\) standard deviations of the mean. - Difference: A. The Empirical Rule assumes the distribution is appr…
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the ages (in years) of a random sample of shoppers at a gaming store ar…
\(11\)
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the numbers of regular season wins for 10 football teams in a given sea…
The range is \(13\), the mean is \(8.1\), the variance is \(21.09\), and the standard deviation is approximately \(4.6\).
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highlight the claim, evidence, and reasoning in the paragraph below. cl…
- **Claim**: By supporting neighborhood gardens, the US government would ensure that people all over the country have access to healthy foods. - **Evidence**: In a 2007 study, res…
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a teacher put all her students quiz scores up on the dot plot below. qu…
\(40\)
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read this prompt create a multimedia presentation about clothing and wa…
a photo of a landfill full of clothing and a graph showing statistics on how much clothing gets thrown away
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an animal is randomly selected from this table. what is the probability…
\(\frac{13}{15}\)
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a bag contains 42 red, 45 green, 20 yellow, and 32 purple candy. you pi…
$\frac{65}{139}$
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a binomial probability experiment is conducted with the given parameter…
\(0.9144\)
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the data set below has 6 values. find the mean absolute deviation for t…
$5.33$
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last week, your delivery runs took 7 hours 12 minutes on monday, 6 hour…
6 hours 57 minutes
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listed below are amounts of strontium - 90 (in millibecquerels, or mbq)…
\(128\), \(140\), \(149\), \(161.75\), \(173\)
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archeologists have studied sizes of egyptian skulls in an attempt to de…
\(128.50\) mm \(<\mu<138.62\) mm
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some states now allow online gambling. as a marketing manager for a cas…
a. \(n = 2401\) b. \(n = 1478\)
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distance he rows in meters. a proportional relationship has a constant …
200
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8. what is the difference between quantitative and qualitative data?
Quantitative data is numerical and measurable. Qualitative data is non - numerical and describes qualities.
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let a and b be two events with the following probabilities. • ( p(a)=0.…
\(0.3\)
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archeologists have studied sizes of egyptian skulls in an attempt to de…
$129.55\ \text{mm}<\mu<137.73\ \text{mm}$
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fill in the blanks. the margin of error ______ with an increased sample…
C. decreases, increases
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read the passage. hanas ambivalence about the trip was understandable. …
indecisiveness
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insert one dash where needed. - \this painting is meant to pay tribute …
"This painting is meant to pay tribute to women throughout society — I mean, throughout history," the painter explained.
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a data set includes 105 body temperatures of healthy adult humans havin…
\(98.539^{\circ}F<\mu<98.861^{\circ}F\)
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find the area of the shaded region under the standard normal curve if c…
\(0.4878\)
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select the sentence that uses a semicolon to link two independent claus…
D. Rattlesnakes are especially fond of bluebonnet patches; so the Texas Wildlife Commission releases warnings for families.
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the bar diagram represents 24 hours in one day and shows a mark at 30%.…
\(7.2\)
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read this text. while in captivity, noc—a beluga whale and a member of …
no, because the text with an ellipsis no longer has the same meaning
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1. use the linear regression function to find the equation of the line …
\(y = 0.857x+4.571\)
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read this text. in 2005, twenty - three - year - old danica patrick bec…
no, because the text with an ellipsis no longer has the same meaning
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read this text. crater lake in oregon was formed by mount mazama, a vol…
no, because the text with an ellipsis no longer has the same meaning
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read this text. abraham lincoln is the only u.s. president to hold a pa…
no, because the text with an ellipsis no longer has the same meaning
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read this text. the titanic wreckage was surveyed by alvin, which is th…
no, because the text with an ellipsis no longer has the same meaning
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2) a) a nutritionist recorded the daily sugar intake (in teaspoons) of …
The 99% confidence interval is $(24.07, 26.33)$. We are 99% confident that the population mean daily sugar intake of all adolescents is within this interval.
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suppose the monthly charges for cell phone plans are normally distribut…
B. The probability is \(0.1587\) that a randomly selected cell phone plan in this population is less than \(\$37\) per month.
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the scatter plot shows the population of the state of ohio x years sinc…
C. In 2020, the population in Ohio was 898,446 and each year it increases by 9,085.