Answer a word problem (Math 110)

Question 17 4 pts A company has 80 employees whose salaries are summarized below. What is the mean salary? Round to the nearest dollar. Score Students $5,001 - 10,000 17 $10,001 - 15,000 12 $15,001 - 20,000 12 $20,001 - 25,000 15 $25,001 - 30,000 24D Question 16 3 pts A certain chain of retail stores has a mean of 473 customers and a standard deviation of 36.2 customers at each location every day. One day one of the locations has 512 customers. How many standard deviations from the mean is that? Round your answer to the nearest hundredth.Question 14 3 pts The weights (in pounds) of 30 newborn babies are listed below. Find P16 5.5 5.7 5.8 5.9 6.1 6.1 6.4 6.4 6.5 6.6 6.7 6.7 6.7 6.9 7.0 7.0 7.0 7.1 7.2 7.2 7.4 7.5 7.7 7.7 7.8 8.0 8.1 8.1 8.3 8.7D Question 13 4 pts 5.5 5.7 5.8 5.9 6.1 6.1 6.4 6.4 6.5 6.6 6.7 6.7 6.7 6.9 7.0 7.0 7.0 7.1 Tutoring 7.2 7.2 7.4 7.5 7.7 7.7 7.8 8.0 8.1 CS 8.1 8.3 8.7 e What is the 5 number summary for the data set above?Question 11 4 pts Which is better, a score of 92 on a test with a mean of 71 and a standard deviation of 15, or a score of 688 on a test with a mean of 493 and a standard deviation of 150? The score of 688 is better because it has a lower z score O The score of 92 is better because it has a higher z-score. V The score of 92 is better because is has a lower z-score. The score of 688 is better because it has a higher z scoreQuestion 12 4.pts The mean time at a certain school for the 100-meter sprint is 17.6 seconds and the standard deviation is 2.1 seconds. How fast would a student have to run in order to be considered unusually fast or unusually slow? Unsually slow would be more than seconds Unusually fast would be less than secondsQuestion 15 6 pts The size of the last 12 graduating classes of a certain high school are given below. 227 239 215 > 219 221 233 229 233 235 228 245 231 Mean: Median: Standard Deviation: Round each answer to the nearest tenth as needed.D Question 10 4 pts At one college, GPAs are normally distributed with a mean of 3 and a standard deviation of 0.6. According to the empirical rule, what percentage of students at the college have a GPA between 2.4 and 3.6?Question 9 4 pts A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. The blood pressure readings were given to the nearest whole number. Approximately what percentage of the people aged 25-40 had a systolic blood pressure reading between 110 and 119 inclusive? Relative Frequency 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 100 110 120 130 140 150 160 Systolic Blood Pressure (mm Hg)