Mathematics, 25.09.2019 05:00 graygraygray6402
Acustomer service survey was conducted of 500 customers: 250 men and 250 women. the data on one of the questions show that 175 men and 160 women rate the customer service as excellent. what percentage of men gave an excellent rating? what percentage of women gave an excellent rating? what was the total percentage of customers giving an excellent rating?
Answers: 1
Mathematics, 21.06.2019 18:00
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
Answers: 1
Mathematics, 21.06.2019 19:40
It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?
Answers: 1
Mathematics, 21.06.2019 22:30
21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?
Answers: 1
Mathematics, 21.06.2019 22:30
An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute
Answers: 2
Acustomer service survey was conducted of 500 customers: 250 men and 250 women. the data on one of...
Mathematics, 12.08.2020 05:01
Mathematics, 12.08.2020 05:01
Mathematics, 12.08.2020 05:01
Mathematics, 12.08.2020 05:01