The probability that a person living in a certain city owns a dog is estimated to be 0.25. Find the probability that the tenth person randomly interviewed in that city is the sixth one to own a dog.
P(Tenth person randomly interviewed in that city is the sixth one to own a dog)
= P(First five in initial 9 persons)*P(6th in 10th person)
= 0.00973
The probability that a person living in a certain city owns a dog is estimated to...
solve 1. analyzing graphically: The probability that a person living in a certain city has a dog is estimated at 0.3. Find the probability that the tenth person interviewed at random in this city is the fifth person who has a dog.
In a certain community, 35% of the families own a dog, and 20% of the families that own a dog also own a cat. It is also known that 32% of all the families own a cat. What is the probability that a randomly selected family owns a dog? What is the conditional probability that a randomly selected family doesn't own a dog given that it owns a cat?
The probability that a person owns a microwave oven is 0.75. The probability that a person owns a compact disk player is 0.25. The probability that a person owns both a microwave and a compact disk player is 0.16. Find the probability that a person owns either a microwave oven or a compact disk player but not both.
GHIJKLM Sup, use the probability of a person owning a pet is independent and the probability a person owns a cat is 32% and the probability of a person owning a dog is 28%. The probability of a person owning both a cat and a dog is 15%. a. Find the probability of a person having a cat or a dog. answer: b. Find the probability of a person having neither a cat nor a dog. answer: C. Suppose you...
The mean salary of people living in a certain city is $37500 with a standard deviation of $1589. A sample of 46 people is selected at random from those living in the city. Find the probability that the mean income of the sample is less than $38000.
The probability that an individual owns a tablet computer is 0.4. The probability that a person owns a smart phone given that they own a tablet computer is 0.9. The probability that an individual owns a smart phone given they do not own a tablet computer is 0.6 What is the probability that an individual owns a smart phone? 0.75 0.72 0.50 0.90
The mean salary of people living in a certain city is $37,500 with a standard deviation of $2,041. A sample of 63 people is selected at random from those living in the city. Find the probability that the mean income of the sample is within $500 of the population mean. Round your answer to 4 decimal places.
Find the indicated probability. 23) In January in a certain city the unconditional probability of rain on any given day of the month is 0.300.But the probability of rain on a day that follows a rainy day is 0.650 and the probability of rain on a day following a nonrainy day is 0.250. Find the probability of rain on three randomly selected consecutive days in January. Find the indicated probability. 23) In January in a certain city the unconditional probability...
In a certain city, the true probability of a baby being a boy is 0.559. Among the next eight randomly selected births, find the probability that at least one of them is a boy. (round to three decimal places)
1. Let E be the event that a household owns a pet. In a full sentence, what is the complement of this event? 2. The probability that a randomly chosen household owns a dog is 0.38. What is the probability that a randomly chosen household does not own a dog? 3. A sample of 482 students showed that 20 of them had taken an online course. Based on this information, is it unusual for a student to have taken an...