When аdults with smаrtphоnes аre randоmly selected, 54% use them in meetings оr classes (Based on data from a previous Smartphone survey). Let X be the variable "number of adults that use smartphones in meetings or classes in a random sample of 10 adults with smartphones. What is the probability that at least 8 of them use their smartphones in meetings or classes?. (Report a numerical value. Round your answer to two decimal places)