A decibel is a unit that measures the loudness of a sound. The larger the number of decibels, the louder the sound. The Occupational Safety and Health Administration (OSHA) has limits of exposure for different sound levels, as seen in the table below: Sound Level Maximum Allowed Duration
(decibels) [left] per Work Day (hours) [right]

90 | 8

92 | 6

95 | 4

100 | 2

105 | 1

110 | 0.5

115 | 0.25

Suppose a manager wants to know how long a worker can be exposed to a sound level of 120 decibels. Find a line of best fit. Describe how well it fits the data and whether it can make a good prediction for the manager.

Need on this geometry question. explain how you did it.

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 ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither