Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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given that a student is in 10th grade, what is the relative frequency t…
\(0.43\)
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determine word meanings using context clues 1 - instruction - level e w…
a deep cut in a surface
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which would most likely indicate an association between the categorical…
The value of \(G\) is not similar to the value of \(H\).
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the venn diagram below represents the number of students taking english…
61
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ready determine word meanings using context clues 1 - instruction - lev…
to make a hole in something
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the venn diagram below represents the number of students taking english…
7
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the conditional relative frequency table was calculated by row using da…
Given that the program was targeted at adults, there is a 37.5% chance that it was recorded.
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look at the table on texts assigned to students. which value for a comp…
\(0.1\) (corresponding to the third option)
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which value for x completes the conditional relative frequency table by…
\(0.17\)
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the coach attempts to determine an association between shirt size and h…
There is likely an association because \(0.8\) is not similar to \(0.52\).
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you can see the oozing mushroom. just go to the woods where it lives. i…
to move in a certain direction
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an experiment was conducted to determine whether giving candy to dining…
\(-3.76<\mu_1-\mu_2<-1.58\)
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you invest in a new play. the cost includes an overhead of $41,250, plu…
a. \(C(x)=41250 + 2500x\) b. \(R(x)=3125x\) c. The break - even point is \((66,206250)\). C. The point where the cost and revenue are equal.
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read the excerpt from \what to the slave is the fourth of july?\ is it …
C. Black people were performing the same duties as others without the same rights.
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you pick a card at random from an ordinary deck of 52 cards. if the car…
\(a = 9\), \(b = 48\), \(c=-1\)
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herky found that 8 out of every 100 beans in his garden were nibbled by…
36 beans
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you play a game in which two coins are flipped. if both coins turn up t…
\(\frac{1}{3}\)
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you are considering two investment opportunities. for investment a ther…
The expected value of investment A is \(15000\). The expected value of investment B is \(21000\). Based on the expected value, you should make investment B.
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roll a number cube. if the number cube comes up odd, you win the same n…
\(-0.5\)
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hours of practice this week the dot plot shows the number of hours stud…
There is a cluster from 3 to 4, There is a gap between 1 and 3, There is a peak at 4.
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systolic blood pressure readings for a population of adults are normall…
The z - score is \(2\). The percentage of people with blood pressure readings below \(155\) is \(97.72\%\)
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the figure illustrates a normal distribution for the prices paid for a …
$49.85$
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determine word meanings using context clues 1 - quiz - level c look at …
The clue "kind" helps understand what "form" means.
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the two - way table shows the results of a recent study on the effectiv…
\(P(N|V) = 0.62\), \(P(N)=0.59\), Are events \(N\) and \(V\) independent events? No.
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a researcher studied the relationship between the number of times a cer…
\(56\) degrees Fahrenheit
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a formula for determining the mean free path for sound, or the average …
\(2395.56\)
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a survey was conducted with high school students in each grade to see h…
- "Thirty - five twelfth graders prefer math and nine tenth graders prefer English." - "Twenty - three ninth graders and fourteen eleventh graders prefer math."
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a researcher studied the relationship between the number of times a cer…
\(56\) degrees Fahrenheit
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a survey asked a group of adults and youths if they prefer reading book…
\(50\%\)
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use the display of data to find the mean, median, mode, and midrange. t…
The mean of the data is \(12.0\). The median of the data is \(12.0\). A. The mode of the data is \(13\). The midrange of the data is \(12.0\).
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the boxplot below shows salaries for actuaries and cpas. cpa actuary 20…
A. Jacy
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a researcher studied the relationship between the number of times a cer…
\(66\)
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read the excerpt from the joint statement by president roosevelt and pr…
Roosevelt and Churchill are aiming to bring peace and freedom to the people of all nations.
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in the probability distribution to the right, the random variable x rep…
A. If many individuals aged 15 years or older were randomly selected, the observed number of marriages will be equal to the mean number of marriages for most individuals.
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suppose you are interested in whether or not the students at your high …
C. Assign each student at the school a number, write each number on a card, and place all of the cards in a box. Then, randomly select 100 cards.
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in gambling, the chances of winning are often written in terms of odds …
\(3:1\)
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use the frequency distribution to the right, which shows the number of …
\(0.945\)
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identify the sample space of the probability experiment and determine t…
B. \(\{11,12,13,14,15,16,21,22,23,24,25,26,31,32,33,34,35,36,41,42,43,44,45,46,51,52,53,54,55,56,61,62,63,64,65,66\}\); 36; A.
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claim: more than 3.6% of homes have only a landline telephone and no wi…
\(H_0:p = 0.036\) \(H_1:p>0.036\)
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rick went on a hike with his family in big bend national park. during t…
- Deer and lizards are both modes of the data. - Less than half of the animals Rick saw were lizards.
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the soccer coach looked up how many goals his team members scored last …
\(3\)
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8. which formula represents the calculation of an expected value? a. ev…
C. EV = Probability of Outcome × Impact of Outcome
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intelligence quotas on two different tests are normally distributed. te…
B. The individual who scores 130 on Test B.
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read the excerpt from the joint statement by president roosevelt and pr…
C. the allied powers will defeat Nazi Germany.
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which term refers to the possibility of an investor losing some or all …
A. risk
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linear, strong linear, weak nonlinear, strong nonlinear, weak
nonlinear, weak
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there is a positive correlation in the data set. there is a negative co…
There is a positive correlation in the data set.
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determine whether the random variable is discrete or continuous. in eac…
A. The random variable is discrete. The possible values are \(x = 0,1,2,\cdots\)
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use the accompanying table of z - scores and percentiles to find the pe…
a. \(24.20\) b. \(75.80\)
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find the value of the test statistic ( z ) using ( z=\frac{hat{p}-p}{sq…
D. \(2.88\)
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fill in the blank. a type i error is the mistake of ______ when it is a…
B. rejecting the null hypothesis
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fill in the blank. the______is the probability of getting a test statis…
B. p - value
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which of the following is a requirement for testing a claim about a pop…
B. The conditions \(np\geq5\) and \(nq\geq5\) are both satisfied
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a set of data items is normally distributed with a mean of 800 and a st…
\(860\)
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intelligence quotas on two different tests are normally distributed. te…
B. The individual who scores 134 on Test A.
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scores on a standardized intelligence test are normally distributed wit…
$2.5$
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the reason for the red stuff. they think it helps the mushroom, but the…
The clue "time" helps understand what "period" means.
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a committee has fourteen members. there are three members that currentl…
\(0.0005\)
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a class has 30 students. in how many different ways can five students f…
\(142506\)
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bloody pulled tooth!determine word meanings using contact clues 1 — qui…
an understanding of something
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the accompanying table shows the numbers of male and female students in…
\(0.908\)
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the accompanying table shows the numbers of male and female students in…
\(0.521\)
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the percent of college students marijuana use for a sample of 93,818 st…
\(19.7\)
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the percent of college students marijuana use for a sample of 93,818 st…
\(45.7\%\)
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the percent of college students marijuana use for a sample of 93,818 st…
\(17.0\%\)
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determine word meanings using context clues 1 - quiz - level c what doe…
a certain type or sort
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the percent of college students marijuana use for a sample of 93,818 st…
\(46.7\%\)
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the percent of college students marijuana use for a sample of 93,818 st…
\(53.3\)
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which sentences use conjunctive adverbs correctly? check all that apply…
- I believe, therefore, that this is the best course of action. - Regular exercise makes you stronger; also, it helps you sleep. - Meanwhile, Cassie collected shells on the beach.
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into a curve. this is because wind and water wore down the front of the…
The clue “very top end” helps understand what “edge” means.
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of the cartons produced by a company, 8% have a puncture, 5% have a sma…
\(12.2\)
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the probability of event a, given that event b has occurred, can be fou…
\(0.192\)
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during a snowstorm the snow fell 57.75 inches deep. due to rising tempe…
A. \(g(x)=-6.25x + 57.75\) B. \(g(0) = 57.75\), it means the initial amount of snow (at day \(0\)) is \(57.75\) inches. C. \(g(5)=26.5\), it means after \(5\) days of melting, the…
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stripes of colored rock make the “wave” even more unusual. the stripes …
the outward side of something
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a patient has a 57% chance of surviving bypass surgery after a heart at…
\(0.1596\)
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two cards are selected from a standard deck of 52 playing cards. the fi…
\(0.006\)
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wave rock is amazing in many ways. at 50 feet high and 300 feet long, i…
The clue "50 feet high and 300 feet long" helps understand what "area" means.
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the accompanying table shows the numbers of male and female students in…
\(0.539\)
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wave rock is amazing in many ways. at 50 feet high and 300 feet long, i…
the size of a piece of land
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imagine that you are walking in farmland, far from the ocean. you look …
The clue "standing at the bottom" helps understand what "foot" means.
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a probability experiment consists of rolling a fair 8 - sided die, numb…
\(0.125\)
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identify the sample space of the probability experiment and determine t…
B. \(\{11, 12, 13, 14, 15, 16, 21, 22, 23, 24, 25, 26, 31, 32, 33, 34, 35, 36, 41, 42, 43, 44, 45, 46, 51, 52, 53, 54, 55, 56, 61, 62, 63, 64, 65, 66\}\) There are \(36\) outcomes…
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diane is a camp counselor. she designs a new obstacle course, and tests…
\(2\)
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diane is a camp counselor. she designs a new obstacle course, and tests…
\(7\)
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the dot plot shows the number of students who attended the first five m…
The mean increases from \(9\) to \(10\) students.
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the dot plot shows the number of students who attended the first five m…
\(9\)
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the graph shows the value of a comic book over time after a collector b…
5. The rate of change is positive. It means the value of the comic book is increasing over time. 6. After \(15\) years, the comic book is worth \(40\) dollars. 7. A. The initial v…
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the graph shows the value of a comic book over time after a collector b…
5. The rate of change is positive. It means the value of the comic - book is increasing over time. 6. After \(15\) years, the comic - book is worth \(40\) dollars. 7. A. The initi…
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a zookeeper records the number and types of primates housed in a single…
Part A: The zookeeper used \(32\) (sum of ring - tailed lemur and capuchin monkey counts) as the denominator instead of \(35\) (total number of primates). Part B: \(69\%\)
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simplifying variable expressions with distribution simplify this expres…
\(21x + 9\)
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closely read these two paragraphs from kings letter. for years now i ha…
He questions whether waiting will produce results.
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his question has two parts first, answer part a. then, answer part b pa…
\(452300\)
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use the following data set to answer the questions below. what is the c…
The correlation coefficient \(r\) (with the outlier) is approximately \(0.8\) and the correlation coefficient \(r_{wo}\) (without the outlier) is approximately \(0.9\)
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use the following data set to answer the questions below. what is the c…
The correlation coefficient of the original data \( r\approx - 0.27 \), and the correlation coefficient without the outlier \( r_{wo}\approx0.79 \)
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simplifying variable expressions with distribution simplify this expres…
\(15+15h\)
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simplifying variable expressions with distribution simplify this expres…
\(15h + 15\)
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leon is interested in the relationships among geographic region and pol…
B. Given that a senator is an Independent, it is certain that the senator represented the northeast. C. Given that a senator represents the southeast, it is likely that the senato…
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lara surveyed all of the 11th grade students at her school about the nu…
1 language: \(63.6\%\), 2 languages: \(31.8\%\), 3 languages: \(2.3\%\), 6 languages: \(2.3\%\)
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wednesday homework topic: constant of proportionality (unit rate) direc…
1. \(k = 0.5\), meaning: Each pack of gum costs \(0.5\) dollars. 2. \(k = 8\), meaning: The runner travels \(8\) miles per hour. 3. \(k = 30\), meaning: \(30\) photos are uploaded…
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lara surveyed all of the ( 11^{\text{th}} ) grade students at her schoo…
Allergies: $57.6\%$, No Allergies: $42.4\%$