Archive day

January 22, 2026

3,230 public questions were asked on this day.

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Use the image to answer the question. A coordinate plane with 4 quadrants ranges from negative 7 to 7 in unit increments on both the x and y axes. Eight points are plotted and labeled from upper A to upper H. The plotted...
Asked by IGotYa 1 answer
Which of the following case studies are observational studies? Select the two correct answers. (1 point) Responses In the Good Samaritan Study, participants were placed in different situations to see if they would help s...
Asked by kk 1 answer
How can you identify if a case study is an observational study?(1 point) Responses The study randomly assigns participants to different groups and changes variables to observe the effects on the outcomes. The study rando...
Asked by kk 1 answer
Is the following case study an observational study or experimental study? Explain your reasoning. The Perry Preschool Project, run by the US Department of Education, studied the long-term effects of high-quality early ch...
Asked by kk 1 answer
As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities: skiing, snow tubing, or sleigh rides. Participants have an equal chance of receiving each type of coup...
Asked by sjscj b 1 answer
A line segment has endpoints (0, 5) and (6, 5) . After the line segment is reflected across the x -axis, how long will it be?(1 point) Responses 11 units 11 units 1 unit 1 unit 6 units 6 units 5 units
Asked by IGotYa 1 answer
A scientist is interested in researching which plant fertilizer will yield the largest roses. Which study design would be best suited to this research question?(1 point) Responses an experimental study using different fe...
Asked by kk 1 answer
In which scenario is the experimental probability equal to the theoretical probability?(1 point) Responses A coin is flipped six times and the head appears three times. A coin is flipped six times and the head appears th...
Asked by sjscj b 1 answer
Which of the following describes a statistical question that would best be answered by an experiment?(1 point) Responses Does the preference for pre-workout supplements differ by gender? Does the preference for pre-worko...
Asked by kk 1 answer
Which of the following describes a statistical question that would best be answered by an experiment?(1 point) Responses What is the most popular attraction at a local park? What is the most popular attraction at a local...
Asked by kk 1 answer
A quality controller inspected 1,000 units of a product and rejected 150 units due to defects. Approximate the empirical probability that a unit will pass the inspection.(1 point) Responses 0.15% 0.15% 17/20 Start Fracti...
Asked by sjscj b 1 answer
Which of the following statistical questions would best be answered by an experiment?(1 point) Responses Do buyers prefer a generic natural sleeping aid or a brand name? Do buyers prefer a generic natural sleeping aid or...
Asked by kk 1 answer
A line contains the points (6,−3) and (3, 1) . When this line is reflected across the y -axis, what are the two new points?(1 point) Responses (−6,−3) and (3, 1) left parenthesis negative 6 comma negative 3 right parenth...
Asked by IGotYa 1 answer
Which of the following questions could be answered by an observational study?(1 point) Responses Does using a new educational app improve academic performance compared to traditional textbooks? Does using a new education...
Asked by kk 1 answer
A line segment has endpoints (1, 1) and (4, 4) . Demonstrating the properties of reflections across the y -axis, what are the reflected endpoints?(1 point) Responses (1, −1) and (4, −4) left parenthesis 1 comma negative...
Asked by IGotYa 1 answer
You toss a coin 50 times and get 12 tails. What is the empirical probability of getting heads? Write your answer in percent form.(1 point) Responses 0.76 0.76 24% 24% 76% 76% 19/25
Asked by sjscj b 1 answer
If a line segment with endpoints (6, 3) and (6, 7) is translated 3 units up and 4 units to the right, how long is the line segment after the translation?(1 point) Responses 4 units 4 units 10 units 10 units 0 units 0 uni...
Asked by IGotYa 1 answer
Demonstrate the translation of a line segment of 3 units to the left and 5 units down if the endpoints of the line segment are (−2, 7) and (0, 3) .(1 point) Responses (1, 2) and (3,−2) left parenthesis 1 comma 2 right pa...
Asked by IGotYa 1 answer
Jay's health insurance states that all preventative care is paid for by the insurance company. What is the insurance company MOST likely to pay for? (1 point) O an office visit to a specialist for an x-ray O Jay's treatm...
Asked by AYDXN 1 answer
A calculator manufacturing company checks 500 calculator units, and 25 of them have non-functioning keys. Approximate the relative frequency of a non-defective unit from this batch of items. Express your answer in the si...
Asked by sjscj b 1 answer
A line contains the points (−4, 2) and (−4, 6) . The line is translated 3 units to the right and 2 units down. What are the new points on the translated line?(1 point) The new point for (−4, 2) is: ( ). The new point for...
Asked by IGotYa 1 answer
A line segment is translated 8 units down and 3 units to the right. One of the endpoints after the translation is (−6, 4) . What was this point before the translation? The translated point is ( , ​​​​​​​).
Asked by IGotYa 1 answer
A company wants to know if its employees prefer to start their workdays at 7:00 a.m. or 9:00 a.m. They conduct a survey and send it to 300 randomly selected employees who already chose to start work at 7:00 a.m. Why do t...
Asked by kk 1 answer
A soft drink company is developing a new flavor. To gather customer feedback, the company offers samples of the new drink at food shows all around the state of Texas and observes the fraction of those who tried the drink...
Asked by kk 1 answer
Bessie wants to find out the fraction of pet owners whose favorite pet is a cat. She conducts a small survey at the local pet store by asking every other customer who enters the store on a Saturday morning. Decide whethe...
Asked by kk 1 answer