Mathematics, 02.04.2020 15:29, trillred
With such a large number of people using text messages as a means of communication, a company is interested in determining the number of work hours lost due to text messaging. Based on a survey of 42 randomly selected employees (anonymously, of course), the company has determined that the average amount of time spent texting over a one-month period is 171 minutes with a standard deviation of 68 minutes. What is the probability that the average amount of time spent using text messages is more than 203 minutes in this one-month period? Round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 18:10, lulustar13
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
Mathematics, 21.06.2019 20:40, haltomnatnathan3548
Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?
Answers: 3
Mathematics, 22.06.2019 01:30, heidiallen565
Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?
Answers: 3
With such a large number of people using text messages as a means of communication, a company is int...
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