Mathematics, 17.01.2021 01:00 Raquelerol
A radio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 3 are reggae songs, and 3 are country songs. The disc jockey randomly chooses the first song to play, and then she randomly chooses the second song from the remaining ones. What is the probability that the first song is a reggae song and the second is a rock song? Write your answer as a fraction in simplest form
Answers: 3
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 22:50
Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288
Answers: 1
A radio disc jockey has 8 songs on this upcoming hour's playlist: 2 are rock songs, 3 are reggae son...
English, 27.10.2020 16:30
Mathematics, 27.10.2020 16:30
Mathematics, 27.10.2020 16:30
English, 27.10.2020 16:30
English, 27.10.2020 16:30
English, 27.10.2020 16:30
English, 27.10.2020 16:30
Mathematics, 27.10.2020 16:30
Computers and Technology, 27.10.2020 16:30
Social Studies, 27.10.2020 16:30
Mathematics, 27.10.2020 16:30
History, 27.10.2020 16:30