Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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9 multiple choice 1 point in haggai’s messages, he repeated the phrase,…
C. Are you focusing on your most important priorities in life? ### Question 10
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what is the purpose of the first paragraph of this section of the iroqu…
to describe the meaning of the shell strings
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46) jessica left the science museum and traveled toward the lake at an …
3 hours
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which piece of text uses this meaning of rare? rare adjective lightly c…
The text: "Ian prefers to eat well - done beef and lamb, but Mabel prefers hers rare."
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read the passage from act 1 of the play. krogstad: i promised to get yo…
C. It causes the audience to become anxious about what Krogstad intends to do with the evidence he presents to Nora.
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which piece of text uses this meaning of prune? prune noun a dried plum…
To make your own trail mix, simply toss together some nuts, sunflower seeds, raisins, and a diced prune or two.
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which piece of text uses this meaning of hamper? hamper verb to hold ba…
"The planned lane and ramp closures will likely hamper the flow of traffic into the city," the newscaster reported.
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which piece of text uses this meaning of content? content noun the mate…
The content of a cover letter should be organized and concise; it shouldn't simply reiterate everything on your résumé.
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which piece of text uses this meaning of interest? interest noun attent…
Lorenzo doesn't show much interest in astronomy, but Elena spends hours looking through her telescope in the backyard.
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which piece of text uses this meaning of formula? formula noun a recipe…
When the Coca - Cola Company introduced a new formula for its popular soft drink in 1985, it was the first time the product had been changed in ninety - nine years.
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which piece of text uses this meaning of accessory? accessory noun an i…
The second text: "That green paisley print silk scarf must be Ms. McDowell's favorite accessory, because she wears it almost every day."
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which piece of text uses this meaning of temple? temple noun a building…
Completed in 438 BCE, the Parthenon in Athens, Greece, is a temple that was dedicated to the goddess Athena.
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which piece of text uses this meaning of value? value noun a moral prin…
Celine believes that honesty is the most important value in personal relationships.
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which piece of text uses this meaning of effect? effect noun a change t…
Do you believe that technology has had a positive effect on your social interactions and relationships?
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which piece of text uses this meaning of minor? minor noun a person who…
In most states, a minor must have permission from a parent or guardian to get his or her ears pierced.
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a basketball player’s free - throw percentage is the ratio of the numbe…
The rational expression \(\frac{13 + x}{20 + x}\) (the bottom - left option among the given boxes)
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which piece of text uses this meaning of compact? compact adjective pac…
About eight percent of the skeletal system consists of compact bone; the remaining twenty percent is spongy bone, which is lighter and less dense.
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which piece of text uses this meaning of current? current noun a flowin…
In 1992, a powerful current carried away thousands of rubber bath toys that fell from a ship. Scientists studied where the toys came ashore to better understand how ocean waters c…
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which piece of text uses this meaning of season? season verb to add sal…
"Being able to properly season meat is what separates the amateurs from the professionals," the cooking instructor said.
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frank joined a fitness club. he paid a $50 registration fee, and dues a…
\(y = \frac{50+12x}{x}\) (the third option among the given expressions)
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a pharmacist has 80 milliliters of a 25% saline solution. which express…
\( y = \frac{0.25(80) + 0.1x}{80 + x} \cdot 100 \) (the third option in the original problem's display)
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the function $f(x) = \\frac{600 + 2x}{x}$ yields the average cost in do…
The company spends $600 on a new computer and printer before beginning the project.
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craig bought a treadmill for $400. he estimates that the annual costs t…
\(f(x)=\frac{400 + 36x}{x}\) (the first option among the given ones)
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the function $f(x) = \\frac{30 + 0.25x}{x}$ yields the average cost in …
Lincoln uses 25 cents worth of supplies per cup.
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when you own a pet, there are one-time costs, such as a leash, and cont…
1. The function is \( \boldsymbol{f(x)=\frac{180 + 400x}{x}} \) 2. The average annual cost for dog in 10 years is \( \boldsymbol{418} \) 3. The pet that costs more is \( \boldsymb…
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an employee at a health food company is making a new type of trail mix.…
5
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an employee at a health food company is making a new type of trail mix.…
$y=\frac{2.5 + 0.4x}{10 + x}\times100$ (the third option)
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a horse owner has 50 lbs of hay that is 6% protein by weight. he adds x…
The amount of protein the feed has if no oats are added
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this is a multi - part item. a refrigerator costs $850. the estimated y…
\( 850 + 62x \)
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cades monthly income is $3,859. after accounting for all his expenses, …
B. It is slightly over his budgeted amount.
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a chemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% …
Number of milliliters of 40% solution: 400 mL Total volume of final mixture: 600 mL Mass of sucrose in final mixture: 180 g
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the rational function $y = \\frac{19,800}{x}$ models the time, in hours…
Total flow rate: 1100 gal/hr Completion time: 4 a.m. on Wednesday
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the relationship between x and y can be modeled by an inverse variation…
1. \( k = 19800 \) 2. \( k \) represents the total volume of the liquid (in gallons) 3. The rational function is \( y = \frac{19800}{x} \)
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jane is a surfer. she kept track of the number of waves she surfed each…
27 ### Part (b)
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nicole deposits $20,000 into an account that pays simple interest at a …
### Year 1: - Interest Nicole earns: $\boldsymbol{800}$ - Interest Chris earns: $\boldsymbol{800}$ - Who earns more? $\boldsymbol{\text{Neither (Equal)}}$ ### Year 2: - Interest N…
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here are the shopping times (in minutes) for each of fifteen shoppers a…
For part (a), the frequencies are: 18 to 22: 4, 23 to 27: 3, 28 to 32: 3, 33 to 37: 5. For part (b), the histogram will have bars with heights 4, 3, 3, 5 for the respective interv…
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3 decrease 32 gal by 75% 5. decrease 40 in. by 35% 7. decrease 280 by 4…
- Decrease 32 gal by 75%: \( \boldsymbol{8} \) gal - Decrease 40 in. by 35%: \( \boldsymbol{26} \) in - Decrease 280 by 45%: \( \boldsymbol{154} \) - Decrease 50 by 15%: \( \bolds…
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there is a negative correlation between the number of hours a student s…
The upper scatter plot (the one with more data points showing a downward trend as hours studied increase)
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2. decrease 320 cm by 15% 4. decrease 1800 by 5% 6. decrease 2500 by 90…
2. 272 cm 4. 1710 6. 250 8. 204 10. 15 oz
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a pottery factory kept track of the number of broken plates per shipmen…
The height of the missing (30 - 39) bar should be set to 2 (corresponding to 2 shipments with broken plates in the 30 - 39 range).
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2. increase 160 yds by 10% 4. increase 6 inches by 10% 6. increase 5 in…
176 yds ### Problem 4: Increase 6 inches by 10%
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kenny counted the number of peanuts in each bag of trail mix. use the d…
The height of the missing bar (for 80 - 99 peanuts per bag) should be set to 2.
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select the correct answer. which is the correct definition of an econom…
B. a social institution responsible for the production, distribution, and consumption of goods and services
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3. increase $130 by 15%
\$149.5
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a machine dispensed red gumdrops into bags of various sizes. use the da…
The height of the missing bar (for the 1 - 20 interval) should be 3 (since there are 3 bags with red gumdrops in the range 1 - 20). So on the histogram, the bar for 1 - 20 should …
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9. increase 140 miles by 8%
151.2 miles
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select the correct answer. which factor is responsible for the emergenc…
B. the creation of surplus food and job specialization
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professor brady released the results of yesterdays pop quiz. use the da…
The height of the missing bar (for score range 20 - 29) should be set to 20 (aligning with the number of students, 20, from the table).
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the scatter plot shows the relationship between the daily high temperat…
As the temperature increases, the number of people that visit the park increases.
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use the data in the table to complete the histogram below. pieces of pe…
The height of the missing bar (for 0 - 4 pieces of pepperoni per pizza) is set to 8.
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zach counted the number of silver beads on each bracelet at richmond je…
The height of the missing bar (for 1 - 5 silver beads) should be set to 8 (corresponding to the number of bracelets with 1 - 5 silver beads).
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the oakland soup company recorded the number of rotten tomatoes in each…
The height of the bar for 1 - 10 number of rotten tomatoes is 4.
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at their family reunion, the blake family recorded everyone’s age. use …
The height of the missing bar (for 30 - 39 age group) should be set to 1 (corresponding to the number of people in that age group, which is 1).
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a candy dispenser put various numbers of orange candies into bags. use …
The height of the missing bar (for 1 - 20 orange candies per bag) should be set to 20 (matching the number of bags for that category).
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this scatter plot shows the relationship between the number of absences…
There is a negative correlation between the number absences a student has in their math class and their exam grade.
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a pet store owner had her staff count the number of fish in each tank. …
The height of the missing bar (for 15 - 19 fish) should be set to 5.
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miss sweeney ran a sit-up competition among her p.e. students and monit…
The height of the missing bar (for the 20 - 39 range of sit - ups) is 1. So we set the bar to have a height corresponding to 1 student.
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in the following figures, a unit rectangle is used to illustrate the pr…
a. The individual fractions are $\frac{1}{5}, \frac{1}{5}$, The product is $\frac{1}{25}$ b. (Assuming fractions like $\frac{3}{5}, \frac{2}{3}$), product $\frac{2}{5}$ Wait, but …
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which of the following equations could be the regression line for the s…
\(y=\frac{1}{3}x + 50\)
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driving data scenario you are provided with data collected from a traff…
40
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driving data scenario you are provided with data collected from a traff…
30
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driving data scenario you are provided with data collected from a traff…
110
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rob owns \\( \\frac{1}{7} \\) of the stock in a local bread company. hi…
$\frac{11}{14}$
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environmental and maintenance behaviors by road type which behavior is …
maintenance checks
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environmental and maintenance behaviors by road type environmental and …
D. carpooling (assuming the options are ordered as given, with the last option being carpooling. If options are labeled, e.g., A: maintenance checks, B: behaviors equally common, …
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two-way table setup scenario: suppose we have a dataset detailing the n…
120
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two-way table setup scenario: suppose we have a dataset detailing the n…
200
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two-way table setup scenario: suppose we have a dataset detailing the n…
150
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seat-belt usage across different road types road type yes no total high…
highway
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seat-belt usage across different road types road type\tyes\tno\ttotal h…
40
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seat-belt usage across different road types road type yes no total high…
50%
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seat-belt usage across different road types road type yes no total high…
180
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driving data scenario you are provided with data collected from a traff…
20
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a person collected $2,800 on a loan of $2,400 they made 7 years ago. if…
The interest rate is approximately $\boxed{2.38}\%$ (or if we did the calculation correctly, let's re-express: Wait, maybe I messed up the interest. Wait, maybe the $2800$ is the …
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the scatter plot shows the relationship between a customers bill at a r…
As the bill increases, the tip that people leave their waitress increases. (The option with this statement, assuming it's the fourth option in the list)
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math challenges mashup math. cookie + cookie - milk = 15 cookie - gift …
5
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a $200 suit is on sale for a 30% discount. what is the sale price of th…
154
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determine if the given number belongs to the set. the number is \\(\\fr…
- Natural Numbers (N): No - Whole Numbers (W): No - Integers (I): No - Rational Numbers (Q): Yes - Irrational Numbers (S): No - Real Numbers (R): Yes
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for the inverse variation equation $p = \\frac{8}{v}$, what is the valu…
16
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arrange the following real numbers in order from greatest to least. 0.9…
From greatest to least: \(0.\overline{9}\), \(0.99\overline{7}\), \(\sqrt{0.97}\), \(0.\overline{97}\), \(0.9\overline{7}\), \(0.9\), \(0.7\overline{97}\)
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use the inverse variation equation to fill in the table. p = \\frac{8.3…
\( a = 0.1 \), \( b = 20.775 \), \( c = 0.02 \)
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if $7,000 were invested in a bond with a simple interest rate of 4.5%, …
\( \$1260 \)
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potential sources - solutions substance abuse and mental health service…
### Source 1: - **Source 1 Title**: Drug - Free Communities Program Success - CDC - **Author / date / website**: Centers for Disease Control and Prevention, [Year], https://www.cd…
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36. twenty - six percent of couples who plan to marry this year are pla…
\( \approx 0.0195 \) #### 36b:
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16) taylor swift created a video and posted it on her instagram account…
The residual is \( -679904823.7 \), and the model overestimated the number of views. ### Part 17)
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cal asymptotes of rational functions visible light | wavelength (m) | f…
\( c = 560 \)
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21 is 30% of what number? round to the nearest whole number.
70
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what is 35% of 60? round to the nearest whole number.
21
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what is 28% of 75?
21
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37 is 74% of what number?
The number is \( 50 \).
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what is 16% of 75? round to the nearest whole number.
12
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a. $4\\cdot10^{3} + 7\\cdot10^{2} + 8\\cdot10 + 2 + 9\\cdot10^{-1} + 6\…
a. \(4782.96\) b. \(30000.079\) c. \(70000.008\) d. \(0.01101\)
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is the function described by the points in this table linear or nonline…
nonlinear
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c. compute the decimal equivalent for \\(\\frac{2}{90}\\). choose the c…
B. \(0.02\overline{2}\)
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the graph shows the flavor preferences of 75 males and 75 females. what…
Among the 75 females surveyed, the most preferred flavor is Chocolate (with the highest count), the least preferred is Vanilla (with the lowest count), and Strawberry is moderatel…
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about 4040 calories must be burned to lose 1 lb of body weight. estimat…
About 24000 calories must be burned to lose 6 lb.
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the list below shows the prices of t - shirts at a clothing store. {8, …
the sum of the prices divided by 7
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ty and gajge are both football players who averaged 4 yards per run in …
The lengths of Gajge's runs have greater variability because there is a greater difference between his longest and shortest runs.
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rosa’s work finding the median of a set of test scores is shown below. …
A. She should have reordered the elements from least to greatest.
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first read: comprehension identify the choice that best answers the que…
C. the mirror in a horror movie, into which people disappear