Referring to Table 5-1, the probability that both sound an alarm in the presence of smoke is ( ).(keep 2 decimal places)
举一反三
- Referring to Table 5-1, the probability that neither sound an alarm in the presence of smoke is ________.
- The probability that a particular brand of smoke alarm will function properly and sound an alarm in the presence of smoke is 0.8. You have five such alarms in your home and they operate independently. Which of the following distributions would you use to determine the probability that all of them will function properly in case of a fire A: inomial distribution B: Poisson distribution C: oth of the above D: none of the above
- Referring to Table 6-2, for a given month, what is the probability that John's income as a waiter is between $700 and $1,600
- Referring to Table 6-2, for a given month, what is the probability that John's income as a waiter is between $1,200 and $1,600
- Smoke alarm is very important.