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
Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (รขโ4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)
Answers: 1
Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-โ13, 0) and (โ13,0) (0, -โ13) and (0,โ13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
Mathematics, 21.06.2019 23:00
Find the distance between c and d on the number line c=3 and d=11
Answers: 1
Find the answer. 3 1/3 x -3 1/6 =...
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