The number of absences for one week for all students at a high school were compiled, and the probability distribution t was created. what is the probability in any given week that a randomly selected student will be absent no more than one day?
a) 008
b) 0.14
c) 0.78
d) 0.92

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120