Mathematics, 28.10.2020 01:50 coco8560
Student life did a survey of students in which they asked about voting in the most recent student election. The results were: Part-time Student Full-time Student Row Total Voted 15 20 35 Did not vote 25 30 55 Column Total 40 50 90 If a student is selected at random from this group of 90 students, find the probability that: a) the student voted in the most recent election. b) the student voted in the most recent election, given the student is part-time. c) the student voted in the most recent election and the student is part-time. d) Are the events “student voted” and “student is part-time” independent? Explain.
Answers: 2
Mathematics, 22.06.2019 00:30
When you flip a biased coin the probability of getting a tail is 0.6. how many times would you expect to get tails if you flip the coin 320 times?
Answers: 1
Mathematics, 22.06.2019 00:40
Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?
Answers: 2
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