Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 2 of them use...

Extracted text: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.)


Extracted text: Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D A В C D Order Accurate 327 263 247 125 Order Not Accurate 39 50 33 15 If one order is selected, find the probability of getting an order from restaurant A or C or an order that is not accurate. The probability of getting an order from restaurant A or C or an order that is not accurate is (Round to three decimal places as needed.)