Mathematics, 05.03.2020 11:49 Rosebud5605
According to a 2010 study conducted by the Toronto-based social media analytics firm Sysomos, 71% of all tweets get no reaction. That is, these are tweets that are not replied to or retweeted (Sysomos website, January 5, 2015).
Suppose we randomly select 100 tweets.
(a) What is the expected number of these tweets with no reaction?
(b) What are the variance and standard deviation for the number of these tweets with no reaction?
Answers: 3
Mathematics, 21.06.2019 18:00
Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.
Answers: 3
Mathematics, 21.06.2019 19:00
1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?
Answers: 1
Mathematics, 21.06.2019 22:30
1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x
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Mathematics, 22.06.2019 01:50
The area of each triangle is 7 square units. the surface area of the triangular prism is
Answers: 1
According to a 2010 study conducted by the Toronto-based social media analytics firm Sysomos, 71% of...
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