Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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which word is associated with multiplication when computing probabiliti…
B. And
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if 5 people are randomly selected, find the probability that no 2 of th…
\(0.973\)
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joe wants to do something fun this weekend. weekend options which diagr…
C.
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for a class project, anita compared the price of a medium - sized box o…
\(1.70\)
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among 6707 cases of heart pacemaker malfunctions, 364 were found to be …
The probability is \(0.8\). This procedure is likely to result in the entire batch being accepted.
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the principle of redundancy is used when system reliability is improved…
\(0.00633\)
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the principle of redundancy is used when system reliability is improved…
\(0.03423\)
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writing in chronological order means that your writing a follows a sequ…
A. follows a sequence
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the principle of redundancy is used when system reliability is improved…
\(0.185\)
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use the data in the following table, which lists survey results from hi…
\(0.000102\)
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when randomly selecting adults, let m denote the event of randomly sele…
For the first question: D. The probability of getting a male, given that someone with blue eyes has been selected. For the second question: No, \(P(M|B)\) is not the same as \(P(B…
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determine the probability of the given complementary event. what is the…
\(0.49\)
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what is the term for a word that has the opposite meaning from another …
A. antonym
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find the indicated complement. a certain group of women has a 0.13% rat…
\(0.9987\)
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what is the term for words that sound the same but have different meani…
B. homonym
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a research center poll showed that 79% of people believe that it is mor…
\(0.21\)
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what is the term for a word that has the same meaning as another word? …
D. synonym
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listed below are prices in dollars for one night at different hotels in…
The standard deviation of the sample data is $42.0$ dollars.
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listed below are prices in dollars for one night at different hotels in…
\(111.0\) dollars
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listed below are the numbers of hurricanes that occurred in each year i…
C. The measures of variation reveal nothing about the pattern over time.
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juvenile laws and crimes exam robbie is 15 year old high school student…
an adult and charged with aggravated assault with serious bodily injury
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listed below are the numbers of hurricanes that occurred in each year i…
The range of the sample data is \(19.0\) \(hurricanes\). The variance of the sample data is approximately \(39.1\) \(hurricanes^{2}\). The standard deviation of the sample data is…
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listed below are the numbers of hurricanes that occurred in each year i…
\(19.0\)
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below are the jersey numbers of 11 players randomly selected from a foo…
C. Jersey numbers are nominal data that are just replacements for names, so the resulting statistics are meaningless.
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below are the jersey numbers of 11 players randomly selected from a foo…
\(408.0\)
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below are the jersey numbers of 11 players randomly selected from a foo…
Sample standard deviation \(=20.2\)
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below are the jersey numbers of 11 players randomly selected from a foo…
\(63\)
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identify the symbols used for each of the following: (a) sample standar…
a. grams b. grams c. grams² d. grams²
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identify the symbols used for each of the following. (a) sample standar…
a. \(s\) b. \(\sigma\) c. \(s^{2}\) d. \(\sigma^{2}\) Units: - Sample and population standard deviation: grams. - Sample and population variance: grams squared.
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3 true or false 1 point civil disobedience means to break laws and part…
B. False
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analyzing the authors use of irony squealer called the animals together…
Dramatic irony occurs because the reader knows that Napoleon won't die—he drank too much alcohol.
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writers place proofreading marks on their rough draft __________. a in …
A. in the margins B. capitalize a word
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the brain volumes (cm³) of 20 brains have a mean of 1193.5 cm³ and a st…
Significantly high values are \(1446.3\mathrm{cm}^3\) or higher. Since \(1426.3<1446.3\), a brain volume of \(1426.3\mathrm{cm}^3\) is not significantly high.
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the brain volumes (cm³) of 20 brains have a mean of 1193.5 cm³ and a st…
Significantly low values are \(940.7\) \(cm^{3}\) or lower.
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how did the development of hieroglyphics and the invention of papyrus l…
The development of hieroglyphics provided a means of symbolic representation for language, enabling the recording of complex ideas such as laws, religious texts, and historical ac…
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the 150 heights of males from a data set of body measurements vary from…
The estimated standard deviation using the range rule of thumb is \(s = 8.53\) cm. Since the difference \(1.68>1.2\) cm, the estimate from the range rule of thumb is not accurate.
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purpose for reading: in this excerpt from bethany hamiltons soul surfer…
Sharp and jagged
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the table summarizes the movie - watching preferences and ages of a gro…
## Part A: \(P(\text{DVD}|\text{Age }18 - 40) = 0.425\). The probability that a person prefers DVDs given that they are in the 18 - 40 age group is \(0.425\) ## Part B: The events…
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what does it mean to be a reformer? one that trusts the political autho…
One that works towards significant, positive change
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the equation for the line of best fit is ( y = -65x + 700 ). based on t…
A. A recipe that has 9 ingredients would likely get about 115 likes.
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(02.05 lc) to \execute\ the laws means to interpret the laws create law…
carry out the laws
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match each type of irony to its definition. verbal irony dramatic irony…
- verbal irony: A character says one thing but means the opposite. - dramatic irony: The audience knows something a character does not. - situational irony: A character expects on…
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a software developer is looking for ways to predict how many bugs will …
\(373\)
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based on the scatter plot below, which i better prediction for x when y…
\(3\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y=x - 10\)
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a property developer has a plan for a massive new amusement park but is…
\(6098\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y =-\frac{2}{5}x + 68\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y=\frac{5}{6}x - 15\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y=-x + 11\)
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7.____ all or most of the factors of production * and distribution (lan…
7. B. Capitalism 8. B. False
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according to bishop barron, peace in scripture means merely the absence…
False
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is it rational? remember that a bar over digits indicates a recurring d…
# Explicaciones breves: - **5.75…**: Si el número es \(5.757575\ldots\) (con \(75\) repetidos), entonces es racional. Un número decimal periódico (recurrente) se puede expresar co…
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which phrase best describes the focus of active - listening techniques?…
listening for understanding
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determine the average rates of change over each of the following time i…
0 minutes to 4 minutes: \(-2\) gallons per minute 4 minutes to 8 minutes: \(-2\) gallons per minute 0 minutes to 24 minutes: \(-2\) gallons per minute The amount of water remainin…
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water in a play pool the graph of ( v(t) ) below shows the amount of wa…
- \(0\) minutes to \(4\) minutes: \(-1.25\) gallons per minute - \(4\) minutes to \(8\) minutes: \(-1.25\) gallons per minute - \(0\) minutes to \(24\) minutes: \(-1.875\) gallons…
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5. during the month of august, the mean of the daily rainfall in one ci…
No, I do not agree with Han. The standard deviations of the two cities' daily rainfall (\(0.05\) inches and \(0.15\) inches) are different. A smaller standard deviation (\(0.05\))…
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water in a play pool the graph of ( v(t) ) below shows the amount of wa…
- \(0\) minutes to \(4\) minutes: \(-1.25\) - \(4\) minutes to \(8\) minutes: \(-1.25\) - \(0\) minutes to \(24\) minutes: \(-1.875\) - The amount of water remaining in the pool i…
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here are some equations that are related to ( x - 0.1x + 2.70 = 56.70 )…
- **Equation B**: - Interpretation: The price of the item after a \(10\%\) discount (before tax) is \(\$54\). - Same solution: Yes, \(x = 60\) is a solution. - **Equation C**: - W…
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student enrollment the enrollment at a local college has been increasin…
The average rate of change \(= 39\). The enrollment at the college has been increasing at a rate of \(39\) students per year.
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lesson 6 - aspire to do inquiry activity worksheet algebra 1 unit 2 6.3…
a. The solution \(x = 60\) means that the original price of the pair of jeans Noah bought is \(\$60\). b. When \(x = 70\), \(x-0.1x + 2.70=70-7 + 2.70 = 65.70 eq56.70\). When \(x…
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4. select all the equations that have the same solution as $2x - 5 = 15…
B. \(2x = 20\), D. \(2x-20 = 0\), E. \(4x - 10=30\)
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vocabulary use context clues or a reference material to determine the m…
1. broth 2. roundhouse kick 3. applauded 4. nervous 5. waltzing 6. sturdy
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you invest in a new play. the cost includes an overhead of $40,000, plu…
a. \(C(x)=40000 + 2500x\) b. \(R(x)=3125x\) c. The break - even point is \((64,200000)\). The break - even point is the point where the cost and revenue are equal (Option C).
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read the excerpt from trifles. mrs. hale. dutys all right, but i guess …
through the sound effect of footsteps around the kitchen
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this list shows how many hours twenty batteries lasted when they ran co…
B. mean: 46.85, median: 47, mode: 10, 47, 93
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find the mean, median, and mode of the following data: (round to 1 deci…
a. Mean = $24.2$ b. Median = $25.5$ c. Mode = $15$
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what type of correlation does the following dataset appear to have? pos…
Positive Correlation
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what type of correlation does the following dataset appear to have? neg…
Negative Correlation
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the accompanying table describes the random variable x, the numbers of …
\( 0.028 \)
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what is the equation of the trend line in the scatter plot? use the two…
\(y=x - 10\)
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which graph shows the line of best fit for the data?
The top - left graph shows the line of best fit for the data.
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the accompanying table describes results from groups of 8 births from 8…
\(0.157\)
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the accompanying table describes results from groups of 10 births from …
\(8.6\)
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refer to the accompanying table, which describes results from groups of…
The mean is \(\mu = 4.0\) girl(s).
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five males with an x - linked genetic disorder have one child each. the…
\(\sigma = 1.1\) child(ren)
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the histogram shows the weekly rates charged by different daycares for …
nearly symmetrical
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a football is thrown by a quarterback to a receiver. the points in the …
The football's maximum height is \( 13\) feet. The distance of the football from the quarterback when it reaches its maximum is \( 15\) yards.
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determine whether the following value is a continuous random variable, …
A. It is a continuous random variable.
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the figure below is divided into 100 squares of equal size. what percen…
42%
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at most colleges and universities, weighted means are used to compute s…
\(2.45\)
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determine the shape of the distribution pictured below and the measure …
Shape: Uniform; Measure of center: mean
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an unknown metal has been found and the following experimental results …
A. Volume \(=1.764x + 22.680\) B. \(43.8\)
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annual high temperatures in a certain location have been tracked for se…
Yes, significant correlation
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the equation for the line of best fit is ( y = 1.2x + 2 ). according to…
A student who could not do any chin - ups at the start of the year could likely do about 2 chin - ups at the end of the year.
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the box plots show the average wind speeds, in miles per hour, for two …
Island A because it has a smaller interquartile range.
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the first step in ______ is to determine what training is required. ori…
1. Training 2. Training 3. Performance
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multiple choice 1 point includes some of the most recognizable and best…
Renaissance
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what is the equation of the trend line in the scatter plot? use the two…
\(y=-\frac{3}{4}x + 85\)
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1. which of the following is an important consideration when deciding t…
1. The stage of the disease 2. Non - maleficence 3. Ordinary and extraordinary care 4. FALSE 5. Justice
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what is the equation of the trend line in the scatter plot? use the two…
\(y=\frac{4}{5}x + 4\)
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what percentage of the quality sample is outside tolerance? quality sam…
\(6\)
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what percentage of the quality sample is outside tolerance? quality sam…
\(3\%\)
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1 2 3 3 4 4 4 4 4 5 5 6 7 a. what happens to the mean and standard devi…
a. The mean increases from \(4\) to \(9.25\) and the standard deviation increases from approximately \(1.58\) to approximately \(18.56\). b. The median is a better measure of cent…
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find the midrange of the data set. 1,201 1,134 1,096 1,198 1,071 1,118 …
\(1136\) (corresponding to the fourth option)
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find the midrange of the data set. 31.2 48.6 54.8 47.6 51.5 35.8 37.3 4…
43.0
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find the mean of the data set. 12.18 12.05 11.88 11.97 11.94 12.01 12.1…
12.02
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find the mode(s) of the data set. 44.1 42.9 47.8 45.6 43.5 47.5 44.1 42…
\(44.1\) and \(45.6\)
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find the mean number of cookie boxes sold this week by a girl scout tro…
17
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find the mode of tuesdays math exam scores. 77 84 98 92 81 87 71 82 76 …
no mode
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find the median of the baseball batting averages. 0.264 0.211 0.199 0.2…
\(0.236\) (corresponding to the second option)