Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 20 adult smartphone users are randomly selected, find the probability that exactly 14 of them use their smartphones in meetings or classes.
es
The probability is
(Round to four decimal places as needed.)

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.