The probability that a particular type of smoke alarm will function properly and sound an alarm in the presence of smoke is 0.80 Suppose you have 2 such alarms in your house and they operate independtly. If a burnt hamburger causes your house to fill with smoke, what is the probability that at least one of the two alarms will sound? O 0.96 O 0.80 O 0.04 O 0.64

Q: connection and one for his phone connection. The probability that the home connection will fail at…

A: Given Data: P( home connection failure)=0.23 P( phone connection failure)=0.18

Q: Gertrude owns a movie theatre in the town of Northern Millstone. Assume the following to be true.…

A: From the given information, If a resident of Northern Millstone patronizes Gertrude’s movie theatre…

Q: Two engines (one old and one new) fail independently of one another. The probability that both…

A: Independent events: Those two or more events are considered independent events if the appearance of…

Q: A bag contains 3 red marbles, 5 blue marbles and 2 green marbles. Two marbles are drawn, one at a…

A:

Q: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

A: The probability that Mr. Johnson goes for an evening walk on any given day during the summer is…

Q: Mary and Susan are each to play a tennis match. Let the probability that Mary wins her match be 0.65…

A:

Q: A student is writing a quiz with four t/f questions.  The student wants to know the theoretical…

A: The provided information is as follows:The total number of questions is .There are two choices for…

Q: If the probability that one student can solve a problem is 4/5 and that the probability of another…

A:

Q: The probability of event A to happen is 3/4, and the probability of event B to happen is 3/5. If the…

A: Given : p ( A ) = 3/4 p ( B ) = 3/5 p ( A n B ) = 1/4

Q: Current flows through switches 1 and 2 to a lamp and back to the battery. Suppose the probability…

A: Given : the switch 1 is closed is 0.85, the probability that switch 1 is open = 1 - 0.85 = 0.15 the…

Q: Dr. Hill, a physical therapist, compared the average length of office visits for his male and female…

A: Here, mean1 is 5.9 and mean2 is 6.3. Standard deviations are 2.2 and 1.7. Sample numbers are 7 for…

Q: In a city, the probability that it will rain on a certain day is 0.9 if it rained the day before.…

A: The random digits below simulate the weather for the rest of the week.Random Digits: 989599The…

Q: The probability that a man will be alive in 25 years is 3/5, and the probability that his wife will…

A:

Q: If two dice are rolled one time, find the probability of getting a sum less than 8. O 9/12 10/12…

A: According to the given information, we have Two dice are rolled.

Q: An event A will occur with a probability of 0.7. An event B will occur with a probability of 0.2.…

A:

Q: 1 The probability of a man hitting a target is How many times must he fire so that the probability…

A:

Q: The bison population lives and breeds in the central and northern regions of the Yellowstone…

A: Let X be a random variable representing the number of bison sightings such that the rate of bison…

Q: The probability that a man will live until 70 years 3/4 and the probability that his wife will live…

A: Given,P(a man will live until 70 years)=34P(a wife will live until 70 years)=45

Q: The probability that a particular type of smoke alarm will function properly and sound an alarm in…

A:

Q: Q. No.1: Find the probability of two persons being born on the same day?

A: Classical Definition of Probability: If there are n mutually exclusive, exhaustive and equally…

Q: A spinner of a board game can land on any one of three regions​ labeled: A,​ B, and C. If the…

A: Probability of an event is the ratio of number of favourable event and total number of events. It is…

Q: An automobile is being filled with petrol. The probability that oil is also need to be changed is…

A: If a certain condition is imposed on happening of an event, then the probability of happening of…

Q: A section of an electrical circuit has two relays, numbered 1 and 2, operating in parallel. The…

A: Solution

Q: Ex.3 if the probability of someone sick from a disease is = 0.4 If there are 5 persons having this…

A: Given data: Probability of someone sick from a disease = 0.4 Total number of persons having this…

Q: A probability of 0 means that an event cannot occur. O True O False

A: Given statement, A probability of 0 means event can not occur.

Q: On any particular Friday evening, the probability  that Jason will go to the mall and go for a…

A: event A : go to the mall event B : go for a coffee P(A∩B) = 13P(B|A) = 47P(A) = ?

Q: Suppose you have a possibility to pass in mathematics 0.5. Also you have a possibility to pass in…

A: Let A represents mathematics1 and B represents mathematics2 so given that P(A) = 0.5 and P(B) = 0.7…

Q: Suppose that A, B and C are three independent events with P(A)=0.20 P(A interception B)= 0.08 and…

A:

Q: Suppose that two persons are working on a project together. The probability that person A works for…

A: Given

Q: The probability of Mark getting an offer from company A is 0.7, and the probability that he gets an…

A: here define Event  A= Mark getting an offer from Company A  B = Mark getting an offer from Company B…

Q: Your drawer contains 10 red socks and 6 blue socks. It's too dark to see which are which but you…

A: As per our guidelines we are suppose to answer only one question. Given,no.of red socks=10no.of blue…