TABLE 5-1 The Probability That a Particular Type of Smoke Alarm Will

Short Answer

TABLE 5-1
The probability that a particular type of smoke alarm will function properly and sound an alarm in the presence of smoke is 0.8. You have 2 such alarms in your home and they operate independently.
-Referring to Table 5-1, the probability that at least one sounds an alarm in the presence of smoke is ________.