Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the Queen City blend with the Arabian Mocha blend, but always in the same proportion. Yesterday, you mixed 50 pounds of the Queen City blend with 15 pounds of the Arabian Mocha blend. Today, there is 40 pounds of the Queen City coffee left in stock. How many pounds of the Arabian Mocha coffee should you mix with it to get your secret blend?

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73