a sales firm an average of four calls per hour on its toll free number. for any given hour, find the probability that it will receive exactly three calls. use the poission distribution​

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h