Redundancy Using Braun battery-powered alarm clocks, the author estimates that the probability of failure on any given day is 1/1000. (a) What is the probability that the alarm clock works for an important event? (b) When he uses two alarm clocks for important events, what is the probability that at least one of them works?

### Want to see the full answer?

Check out a sample Q&A here*star_border*

## Related Statistics Q&A

Find answers to questions asked by students like you.

Q: Redundancy Using Braun battery-powered alarm clocks, the author estimates that the probability of…

A: a).An author estimates that the probability for Braun battery-powered alarm clocks failing on any…

Q: Redundancy Using Braun battery-powered alarm clocks, the author estimates that the probability of…

A: (a)An author estimates that the probability for Braun battery-powered alarm clocks failing on any…

Q: Redundancy Using Braun battery-powered alarm clocks, the author estimates that the probability of…

A: a)

Q: ome nomadic tribes, when faced with a life-threatening contagious disease, try to improve their…

A: From the given information, there are 21 people. In 21 people, 4 are carriers of the disease and 17…

Q: Composite blood testing is sometimes used to save costs. A Hepatitis-C composite blood test means…

A: Click to see the answer

Q: Life insurance salesman meets his prospective customers separately. At each meeting, he makes the…

A: Frequency distribution is classified as observed frequency distribution and theoretical frequency…

Q: Births in a hospital occur at a random rate of 1.8 births per hour on average, according to the…

A: Given,an average births rate per hour (λ)=1.8Let X=no.of births per hourX~Poisson(λ=1.8)P(X=x)=e-1.8…

Q: Penicillin “Who discovered penicillin: Sean Penn, William Penn, Penn Jillette, Alexander Fleming, or…

A: Probability:The probability of an event defines that the ratio of number of favour outcomes to total…

Q: Penicillin “Who discovered penicillin: Sean Penn, William Penn, Penn Jillette, Alexander Fleming, or…

A: Solution: We have to find the probability that our answer is the correct answer of Alexander Fleming…

*question_answer*

Q: Penicillin “Who discovered penicillin: Sean Penn, William Penn, Penn Jillette, Alexander Fleming, or…

A: The question ‘who discovered penicillin’ has choices ‘Sean Penn, William Pen, Penn Jillette,…

*question_answer*

A: The question ‘who discovered penicillin’ has choices ‘Sean Penn, William Pen, Penn Jillette,…

*question_answer*

A: The question has 5 different choices and out of 5 choices only one of the options ‘Alexander…

*question_answer*

Q: Researchers discover that 85% of people who have suffered a heart attack had periodontal disease (an…

A: P(heart attack )= 0.10∴P(no heart attack )= 1 - P(heart attack )…

*question_answer*

Q: Customers arrive randomly at a checkout counter at an average rate of 2 every five minutes. a)…

A: Click to see the answer

*question_answer*

Q: In an M/MA queueing system, the arrival rate is 9 customers per hour and the service rate is 14…

A: Click to see the answer

*question_answer*

Q: Brand Recognition The brand name of Mrs. Fieļds (cookies) has a 90% recognition rate (based on data…

A: From the provided information, Sample size (n) = 10 The brand name of Mrs. Field (cookies) has 90%…

*question_answer*

Q: A company makes a profit each month with probability .7. What is the probability that it makes a…

A: From the provided information, Company makes a profit each month with probability 0.7 that is p =…

*question_answer*

Q: In an M/MA queueing system, the arrival rate is 3 customers per hour and the service rate is 6…

A: Given that, In an M/MA queueing system, the arrival rate is 3 customers per hour and the service…

*question_answer*

Q: Ouestion2. In a town, 40% are men and 60% are women. 50% of men and 30% of women smoke. What is the…

A: Given,P(men)=0.40P(women)=0.60P(smoker | men)=0.50P(smoker | women)=0.30

*question_answer*

Q: Taxis arrive at Mall of Asia at the rate of 10 per hour a. What is the probability that exactly 5…

A: Click to see the answer

*question_answer*

Q: How to solve the probability that a flight is early? On-time? Late? Canceled Are these outcomes…

A: Given Information: 30 flights arrived early 175 arrived on time 65 arrived late 40 were cancelled.…

*question_answer*

Q: A lamp - exp(A = 1/4 per hour), hence, on average, 1 failure per 4 hours. What is ?the probability…

A: We know that the exponential distribution is given by: Given that, λ=1/4

*question_answer*

Q: 1981, the sole remaining North American population of 130 black-footed ferrets were discovered in…

A: Given: The probability of fixation of a single copy of an allele in a population of size N can be…

*question_answer*

Q: Hi. Can I get help with this Poisson Distribution in the TI-83? Thanks.

A: SolutionIt is given that people enter a coffee shop at a rate of 1 person every 3 minutes. The…

*question_answer*

Q: ween cigar smoking and the death from Cancer. NOTE : Current cigar smoker " means cigar smoker at…

A: The number of individuals that dies from cancer is, Number = 782+91+141 =1014 The…

*question_answer*

Q: In an M/MA queueing system, the arrival rate is 4 customers per hour and the service rate is 6…

A: Click to see the answer

*question_answer*

Q: estion 10. In 2002, a group of medical researchers reported that on average, 30 out of every 10,000…

A: Define the following events. A : randomly selected person have colorectal cancer. B : randomly…

*question_answer*

Q: Car Fatalities The recent rate of car fatalities was 33,561 fatalities for 2969 billion miles…

A: Click to see the answer

*question_answer*

Q: Car Fatalities The recent rate of car fatalities was 33,561 fatalities for 2969 billion miles…

A: a)Mean of Poisson distribution:The formula is given by,

*question_answer*

Q: Car Fatalities The recent rate of car fatalities was 33,561 fatalities for 2969 billion miles…

A: Mean of Poisson distribution:The formula is given by,

*question_answer*

Q: Car Fatalities The recent rate of car fatalities was 33,561 fatalities for 2969 billion miles…

A: The probability mass function of Poisson distribution is given as follows:

*question_answer*

Q: Car Fatalities The recent rate of car fatalities was 33,561 fatalities for 2969 billion miles…

A: GivenThe recent rate of car fatalities was 33,561 fatalities for 2969 billion miles traveled.Mean =…

*question_answer*

Q: uppose you roll a 6-sided die, a 10-sided die, and a 20-sided die. What is the probability that the…

A: In the given question, concept of probability is applied. Probability The ratio of the number of…

*question_answer*

Q: In a village 20% children were suffering from malaria. A blood test ordinarily reports positive in…

A: The information provided is, 20% of children in a village suffer from malaria. A blood test…

*question_answer*

Q: Caselet 3: Trailer Trucks in SRP The average number of trailer trucks that passed by the South Road…

A: Click to see the answer

*question_answer*

Q: are defective. You can select an item randomly. Now try to determine the probability that the…

A: Given: total items = 15 defective items = 3 therefore non defective items = 15-3 = 12 To Find:…

*question_answer*

Q: I need help with this question. Warranty records show that the probability that a new car needs a…

A: The probability that none needs a warranty repair is obtained below:Binomial distribution:The…

*question_answer*

Q: A very large bag contains more coins than you are willing to count. Instead, you draw a random…

A: From the given information, the bag contains Quarters: 23 Dimes: 21 Nickels:22 Pennies: 34 Total…

*question_answer*

Q: drawing blood. What is the probability that the nurse would leave a bruise for the first time on the…

A: Click to see the answer

*question_answer*

Q: True or False In a probability model, the sum of allprobabilities is 1.

A: Given In a probability model, the sum of allprobabilities is 1.

*question_answer*

Q: Determine what type of approach should be used to calculate the desired probability: theoretical,…

A: There are mainly three approaches to calculate probability: theoretical, empirical and subjective.

*question_answer*

Q: Complimentary Events: what is a probability that at least two out of 36 people have the same…

A: Given Data: The total number of people is: n=36 There are 365 days in a year. For first-person, the…

*question_answer*

Q: 6. A large insurance company pays out an average of 4 major medical claims in a month. Suppose that…

A: Click to see the answer

*question_answer*

Q: Rolling a Die. If we repeatedly roll a balanced die, then, in the long run, it will come up “4”…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

*question_answer*

Q: Rolling a Die. If we repeatedly roll a balanced die, then, in the long run, it will come up “4”…

A: Click to see the answer

*question_answer*

Q: Rolling a Die. If we repeatedly roll a balanced die, then, in the long run, it will come up “4”…

A: The procedure for obtaining the probability is given below:

*question_answer*

Q: You roll a fair six-sided die. If the die shows an odd number then you toss a fair coin that number…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

*question_answer*

Q: 05: Students of two different schools have examined the math subject. The number of students of the…

A: Click to see the answer

*question_answer*

Q: In assessing the strength of evidence in a legal investigation, a police detective always approaches…

A: Click to see the answer

*question_answer*

Q: IV. PROBABILITY A. A Coin and a Die are tossed together, what is the Probability that a Head e on…

A: Dear student as per guidelines we answer the first question only when multiple different question…