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.

Steffi is reviewing various licenses and their uses. match the licenses to their respective uses. you are eligible to work within the state. you are eligible to sell limited investment securities. you are eligible to sell fixed income investment products. your compensation is fee based. section 6 section 7 section 63 section 65

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding

Consider the following two projects. both have costs of $5,000 in year 1. project 1 provides benefits of $2,000 in each of the first four years only. the second provides benefits of $2,000 for each of years 6 to 10 only. compute the net benefits using a discount rate of 6 percent. repeat using a discount rate of 12 percent. what can you conclude from this exercise?