Which of the following is a rational number?
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Answers: 2
Mathematics, 21.06.2019 14:10
which best describes the transformation from the graph of f(x) = x2 to the graph of f(x) = (x – 3)2 – 1? left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit right 3 units, up 1 unit
Answers: 1
Mathematics, 21.06.2019 18:20
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?
Answers: 2
Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
Mathematics, 21.06.2019 22:30
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
English, 13.05.2021 20:10
Social Studies, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10
Mathematics, 13.05.2021 20:10