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Brainly is an education company based in Kraków, Poland, with headquarters in New York City.It is an AI-powered homework help platform targeting students and parents. As of November 2020, Brainly reported having 15 million daily active users, making it the world's most popular education app. [2] In 2024, FlexOS reported Brainly as the #1 Generative AI Tool in the education category and the #6 ...
The options are the possible answers that the examinee can choose from, with the correct answer called the key and the incorrect answers called distractors. [4] Only one answer may be keyed as correct. This contrasts with multiple response items in which more than one answer may be keyed as correct.
The answer to the first question is 2 / 3 , as is shown correctly by the "simple" solutions. But the answer to the second question is now different: the conditional probability the car is behind door 1 or door 2 given the host has opened door 3 (the door on the right) is 1 / 2 .
Yahoo! Answers was launched in mid-2005 for internal alpha testing by Director of Engineering Ofer Shaked. [8] [9] [10] The beta version Yahoo! Answers was launched to the general public on December 8, 2005 [11] [12] and was available until May 14, 2006. Yahoo! Answers was finally made available for general availability on May 15, 2006. [13] Yahoo!
They are preferable to closed questions (i.e. one that demands a yes/no answer) because they are better for discussions or enquiries, whereas closed questions are only good for testing. Peter Worley argues that this is a false assumption.
Key takeaways. Printed on a credit card, you'll find the card number, the cardholder’s name, when the card expires and the card's security code — all the details you need to make purchases ...
Classical test theory assumes that each person has a true score,T, that would be obtained if there were no errors in measurement. A person's true score is defined as the expected number-correct score over an infinite number of independent administrations of the test.
A critical aspect of convergent thinking is that it leads to a single best answer, leaving no room for ambiguity. In this view, answers are either right or wrong. The solution that is derived at the end of the convergent thinking process is the best possible answer the majority of the time.