统计与概率
数据分析、概率分布、假设检验与统计方法。
-
what is the correct meaning of the word guarantor? during the new deal …
one who provides assurance of something
-
what is the correct meaning of the phrase cold feet? as levar waited in…
fear that stops a planned action
-
what does it mean if someone says, \that movie was like watching the gr…
The movie was boring.
-
use this quote below to fix the faulty paraphrasing examples on the rig…
- The box for "Does not change sentence structure enough" should be checked. - The box for "Only replaces original words with synonyms" should be checked. - The box for "Uses same…
-
what is the correct meaning of the word peculiar? she had a peculiar lo…
strange
-
what is the correct meaning of the word imitate? i laughed as i watched…
act like
-
2. what is meant by the word \gustatory\ as it is used in paragraph 19?…
B. related to eating
-
what is the correct meaning for the word incomplete? the teacher asked …
not complete
-
surveys quick check a neighborhood organization wants to determine how …
Non - response bias.
-
the quadratic function ( h(x)=-16t^{2}+100x + 10 ) models the height ab…
The time at which the projectile hits the ground
-
take note of the details that support the authors central idea. code on…
D. to explain why individuals try to fit in
-
which is the correct meaning of the word sea? a storm tossed the boat a…
A large body of salt water.
-
in a class of students, the following data table summarizes the gender …
\(\frac{3}{5}\)
-
in a class of students, the following data table summarizes how many st…
The probability that a student has a sister given that they have a brother is $\frac{9}{11}$.
-
a number cube is rolled and a coin is flipped. how many possible outcom…
The number of possible outcomes is \(12\), \(a = T2\), \(b=T6\)
-
which word means the opposite of happy? hot sad soft
sad
-
what is the correct meaning of the word colorful? having less color ful…
full of color
-
surveys quick check why are random surveys important? (1 point) random …
Random surveys provide results with as little bias as possible.
-
for a certain class, the following data table compares how many student…
\(\frac{20}{27}\)
-
questions 5 through 9 refer to the following. adapted from charles mee,…
D. determine one's location
-
ella: right. silence do you think you could ever live in the woods? ben…
B. encourage Benny to express his thoughts.
-
surveys quick check which of the following describes a statistical ques…
What percentage of runners in New York City prefer brand A of running shoes over brand B?
-
mai conducted an experiment by flipping a fair coin 200 times. the coin…
The experimental probability of the coin landing heads up is \(\frac{11}{20}\) and the theoretical probability of the coin landing heads up is \(\frac{1}{2}\) (the bottom - right …
-
luis rolled a number cube 60 times. he rolled the number 6 four times. …
He did not perform enough trials.
-
josh used a standard deck of 52 cards to conduct an experiment. half of…
He used too few trials for the sample space.
-
match the bolded word in each excerpt from \song of myself\ by walt whi…
- "to be revealed" → "transpire" - "to mark with spots" → "mottling" - "to combine or integrate" → "graft"
-
james conducted an experiment with 4 possible outcomes. he determined t…
Completing the experiment many more times and combining the results to the trials already done
-
a set of cards contains the numbers 1 through 20. mathieu chooses a car…
40
-
select the correct answer. state governments have a form of government,…
B. unitary
-
alberto conducted an experiment by rolling a fair six - sided number cu…
The experimental probability of rolling a 2 is \(\frac{1}{4}\) and the theoretical probability of rolling a 2 is \(\frac{1}{6}\) (the second option).
-
a set of cards contains cards numbered 1 - 8. mrs. jacobs class is cond…
125
-
find the lower and upper quartiles for the data set. 1. order the data …
Lower quartile \(Q_1 = 15\), upper quartile \(Q_3=75\)
-
nadine conducted an experiment with four possible outcomes. trevor cond…
Trevor has more experimental outcomes than Nadine. Trevor's experimental probability is more likely closer to the theoretical probability.
-
jamie rolls a 6 - sided die 30 times and determines that the experiment…
He can increase the number of trials.
-
jonas is conducting an experiment using a 10 - sided die. he determines…
He can increase the number of trials.
-
john is about to roll a six - sided, fair number cube 60 times. he want…
John's prediction is low, because \(60(\frac{1}{2})=30\).
-
experimental vs. theoretical probability roll the number cube to find t…
- The second statement: "As the number of trials increases, experimental probability is closer to theoretical probability." - The third statement: "As the number of trials increas…
-
a number cube is rolled 60 times. the results of those 60 trials are re…
\(\frac{1}{5}\)
-
a number cube is rolled 60 times. the results of those 60 trials are re…
\(A = 0.2\), \(B=\frac{2}{15}\)
-
jacob, high school student \oh man, i sent in my tasfa, but it is sayin…
You need to submit more documentation to have your application approved.
-
emma conducted an experiment in which she rolled a six - sided, fair nu…
50
-
maya wants to perform an experiment with a spinner labeled a, b, and c.…
The middle spinner.
-
a six - sided, fair number cube is rolled 100 times as part of an exper…
The theoretical probability is \(\frac{1}{6}\) and the experimental probability is \(\frac{1}{5}\), so the correct statement is "The theoretical probability is \(\frac{1}{6}\). Th…
-
during samuels experiment, the experimental probability was 0.25. what …
The experimental probability of the outcome is \(\frac{1}{4}\) and four trials were run during the experiment.
-
practicing with probabilities during samuels experiment, the experiment…
The experiment has four possible outcomes.
-
match each correlation coefficient to the appropriate scatter plot. the…
\(r = 0\) matches the first scatter - plot and \(r=0.5\) matches the second scatter - plot.
-
mali performed an experiment with a standard deck of 52 cards. she want…
Increase the number of trials
-
match each correlation coefficient to the appropriate scatter plot. the…
Left scatter - plot: \( r=-0.8\), Right scatter - plot: \( r=-0.1\)
-
match each correlation coefficient to the appropriate scatter plot. the…
Left scatter - plot: \(r=-0.3\); Right scatter - plot: \(r=-0.8\)
-
which acronym do we use to mean that people need and want landfills, bu…
NIMBY - Not In MY Back Yard
-
four trucks were used to make deliveries. the drivers recorded the numb…
Truck A
-
four friends are playing a game. they randomly choose a handful of marb…
A. Pedro
-
pre-algebra ic sem 2 fall 2025 experimental vs. theoretical probability…
The experimental probability (\(\frac{1}{6}\approx0.167\)) is approximately the same as the theoretical probability (\(\frac{1}{5} = 0.2\)) considering small - sample variations.
-
the table shows the results of the experiment to determine the 9 - day …
The experimental probability for rain (\(\frac{1}{6}\)) is less than the theoretical probability (\(\frac{1}{5}\)).
-
pre - algebra ic sem 2 fall 2025 experimental vs. theoretical probabili…
Sunshine is predicted for \(36\) days. Cloudiness is predicted for \(27\) days. Rain is predicted for \(18\) days. Wind is predicted for \(9\) days.
-
simulating an experiment select spin to start the spinner. use the inte…
\(\frac{5}{11}\)
-
use the interactive spinner to simulate who among ellison dra and her t…
\( \frac{\text{Observed frequency of Sarah ordering first}}{40} \)
-
which line plot describes this data set? 91, 90, 91, 92, 88
The second line - plot.
-
which line plot describes this data set? 10, 12, 13, 10, 14, 12
The first line - plot.
-
use the interactive spinner to simulate who among elisondra and her thr…
\(0.25\)
-
which line plot describes this data set? 21, 20, 18, 21, 22
The first line - plot.
-
which line plot describes this data set? 7, 8, 9, 7, 8
The second line - plot.
-
given ( h_0:muleq12 ), for which confidence interval should you reject …
A. (13,16)
-
what could be predicted if elisondra and her friends use the spinner to…
Elisondra will order first approximately 10 times (if there are 4 people, wrong assumption in original thought, correct if 2 people: Each person will order first approximately the…
-
given ( h_0: mu = 25 ), ( h_a: mu eq 25 ), and ( p = 0.026 ). do you re…
A. fail to reject $H_0$
-
given ( h_{0}: p geq 80 % ) and ( h_{a}: p<80 % ), determine whether th…
B. left - tailed
-
a brewery claims that the mean amount of beer in their bottles is at le…
B. left - tailed
-
use the spinner to determine who will order first. use the interactive …
The theoretical probability of the spinner landing on Elisondra's section is \(\frac{1}{4}\)
-
eilsondra is eating at a restaurant with three friends. they want to ch…
\(4\)
-
the mean iq of statistics teachers is greater than 150. if a hypothesis…
A. There is sufficient evidence to support the claim $\mu>150$.
-
which of the following is a review of records associated with the produ…
Pre - shipment review
-
the statement represents a claim. write its complement and state which …
D. \(H_0:p\leq0.84\) (claim); \(H_a:p > 0.84\)
-
which line from \safari day in kenya\ contains an example of assonance?…
A family of elephants meanders, trunks dance to unheard chorus.
-
suppose you want to test the claim that μ < 65.4. given a sample size o…
B. Reject \(H_0\) if the standardized test is less than \(-1.645\).
-
gustavo tested 1000 calculators to see if any were defective. the compa…
Predicted frequency: \(10\); Relative frequency: \(0.015\)
-
question 18 (1 point) the length and width of a rectangle are 1.125 m a…
3.46 m.
-
find the standardized test statistic t for a sample with ( n = 20 ), ( …
C. - 0.89
-
how to calculate mean absolute deviation step 1: calculate the mean (av…
\(5\)
-
the numbers of customers at a café over five days were 40, 50, 35, 45, …
5.2
-
you wish to test the claim that \\( \\mu = 780 \\) at a level of signif…
D. - 2.16
-
how to calculate mean absolute deviation choose the correct answer the …
\(2.4\)
-
find the standardized test statistic t for a sample with n = 12, \\( \\…
D. 1.89
-
how to calculate mean absolute deviation step 1: calculate the mean or …
1.2
-
use the given information to find the p - value. also, use a 0.05 signi…
C. 0.0202; reject the null hypothesis
-
find the critical value for a right - tailed test with $\\alpha = 0.01$…
A. \(2.33\)
-
the table below shows the score on a test for different numbers of ques…
With each question missed, the score （Choose one） decreases by \(6\) points.
-
find the critical value for a right - tailed test with \\( \\alpha = 0.…
A. \(2.33\)
-
test the claim about the population mean μ at the level of significance…
A. Reject \(H_0\). There is enough evidence at the \(5\%\) level of significance to support the claim.
-
n elementary school claims that the standard deviation in reading score…
A. left - tailed
-
in act iv, what finally convinces malcolm that macduff is loyal? macduf…
For the first question: Macduff’s despair when Malcolm portrays himself as unfit to govern. For the second question: Her action deserves praise.
-
core for all nba games during a particular season was less than 103 poi…
There is not sufficient evidence to support the claim \(\mu < 103\).
-
passage 3: the great gatsby (adapted, ch. 3) at least once a fortnight …
A. Excess and materialism often mask emptiness beneath the surface.
-
find the critical value for a left - tailed test with $\\alpha=0.05$ an…
D. \(-1.645\)
-
10. the description of grendel as darkness itself is an example of whic…
10. B. Personification 11. B. The destruction of community joy and safety 12. B. It creates a suspenseful tone, emphasizing fear and brutality. 14. A. Excess and materialism often…
-
a candidate for governor of a certain state claims to be favored by at …
B. There is not sufficient evidence to reject the claim \(p\geq0.5\).
-
the critical value and rejection region for the type of t - test with l…
D. \(t_0=-1.694;t < - 1.694\)
-
find the critical value for a two - tailed test with $\\alpha=0.07$ and…
A. \(\pm1.81\)
-
a number cube will be rolled 100 times as part of an experiment. which …
\((100)(\frac{1}{6})\)
-
chau is deciding how many trees to plant. here are his estimates of the…
With each additional tree, the estimated time increases by \(10\) minutes.
-
caleb performed an experiment in which he rolled a number cube 100 time…
\(0.14\)