Mathematics, 19.02.2020 04:38 kprincess16r
A telecommunications company commissioned a study to investigate the amount of time that people spend on phone calls. The study that found that the length of time that people spend on a phone call is approximately normally distributed with a mean of 484 seconds and a standard deviation of 93.7 seconds. Calculate the standardized value (z) for a time of 620 seconds. Give your answer to 2 decimal places.
Answers: 1
Mathematics, 21.06.2019 16:00
The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.
Answers: 2
Mathematics, 21.06.2019 21:30
Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?
Answers: 1
Mathematics, 21.06.2019 22:00
Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²
Answers: 2
A telecommunications company commissioned a study to investigate the amount of time that people spen...
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