Question 7 Acompany exploring ways to help its employees improve workflife balance conducted a survey of 360 of its workers that asked [among other things]I about the number of hours typically spent on Facebook each day and about their stress level. 1)0'f the employees who had medium stress level, what percent spent less than 2 hours on Facebook? Please enter your percentage to ONE decimal place only. [2 points) 2) Of the employees who spent less than 2 hours on Facebook, what percent had Medium or High stress levels? Please enter your percentage to ONE decimal place only.[2 points] 3) What percent of workers spent between 2 to 6 hours on Facebook? ( 1 point) 4) What are the TWO Categorical variables in this study? [2points) Question 11 3 pts Birth weights at a local hospital have a Normal distribution, with a mean of 110 oz and a standard deviation of 15 oz. The proportion of infants with birth weights is more than 112 oz but less than 115 oz is to 3 decimal places is: Please show all work including the two Z values and then calculate the proportion Edit View Insert Format Tools Table 12pt w Paragraph * B I U A By Ty EV EVE To VX CQuestion 13 3 pts The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: 3|2 represents 32 Stem Leaf 44559 44467 567899 89 The 1.5 x IQR rule would identify an age as a lower outlier if it was below:Question 16 1 pts Which type of survey might cause undercoverage of city teenagers in surveys of the general population? O a. surveys that employ randomly dialed cell phone numbers O b. surveys conducted at shopping malls O c. surveys conducted at city high schools and/or at GRC O d. None of the above answer options are correct