Mathematics, 24.10.2019 16:43 raquelqueengucci25
Assume that random guesses are made for seven multiple choice questions on an sat test, so that there are nequals 7 trials, each with probability of success (correct) given by pequals 0.25 . find the indicated probability for the number of correct answers. find the probability that the number x of correct answers is fewer than 4 .
Answers: 3
Mathematics, 21.06.2019 15:30
Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.
Answers: 1
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 20:00
Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?
Answers: 3
Assume that random guesses are made for seven multiple choice questions on an sat test, so that ther...
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