Mathematics, 21.05.2020 21:01 AmbitiousAndProud
The usher at a wedding asked each of the 808080 guests whether they were a friend of the bride or of the groom. Here are the results:Find the probability that a randomly selected person from this sample was a friend of the bride OR of the groom.
Answers: 3
Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
Answers: 1
Mathematics, 22.06.2019 01:00
Here is another math questions. i will keep asking different questions. 4^2x=6
Answers: 2
The usher at a wedding asked each of the 808080 guests whether they were a friend of the bride or of...
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