Mathematics, 21.11.2019 04:31 latinotimo4890
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: 2
Mathematics, 21.06.2019 17:30
Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
Answers: 1
Mathematics, 21.06.2019 20:00
Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.
Answers: 1
Mathematics, 21.06.2019 22:40
Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5
Answers: 1
Mathematics, 22.06.2019 02:00
Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.
Answers: 1
According to a 2010 study conducted by the toronto-based social media analytics firm sysomos, 71% of...
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