Bad gums may mean a bad heart. Researchers discovered that 81% of people who have suffered a heart attack had periodontal disease, an inflammation of the gums. Only 32% of healthy people have this disease. Suppose that in a certain community heart attacks are quite rare, occurring with only 11% probability. If someone has periodontal disease, what is the probability that he or she will have a heart attack?

Q: What is the probability that a randomly selected ice cream was vanilla or was ordered on a Sunday?

A: The data is given by   Saturday Sunday Total Chocolate 4 10 14 Vanilla 3 7 10 Cookie dough…

Q: on an uninfected person. What is the probability that a randomly tested person from this area will…

A: given that

Q: It is estimated that 1 in 59 students in Canada have been diagnosed with Austism Spectrum Disorder.…

A: Given data: The expression for the probability that 1 in 59 students in Canada has been diagnosed…

Q: In a study of fatal car accidents, some accidents were attributed to high speed or drunk driving.…

A: Let the events be denoted by: A : fatality was attributed to high speeds B : fatality was attributed…

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A: Let event A denotes that the interest rates will decrease in a given period And event B denotes that…

Q: If a randomly selected female student abstains from​ alcohol, what is the probability she attends a…

A: Given info: 20.4% of women attending all-women colleges abstained from alcohol, compared to 17.7% of…

Q: In a recent​ survey, it was found that the median income of families in country A was $57,300. What…

A:

Q: What is the probability that a randomly selected balloon animal is green given that the balloon…

A: Since , the table given below ,    Giraffe Dog Total Purple 15 15 30 Green 5 12 17 Total 20…

Q: In humans, the presence of freckles is a dominant trait and their absence is a recessive trait. The…

A:

Q: A physical therapist at Enormous State University knows that the football team will play 40 percent…

A: Let the probability of injury if he playing on grass is = x So, the probability of injury on turf is…

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A: The probability of union of two sets are given as, P(A or B) = P(A) + P(B) – P(A and B).

Q: Although studies continue to show smoking leads to significant health problems, 20% of adults in the…

A: Note: Hey, since multiple sub parts are posted, we will answer first three sub parts according to…

Q: Robert Smith uses either regular plowing or minimal plowing to prepare the cornfields on his…

A: Given: Probability of regular plowing is, P(R)=40%=0.4 Probability of  high-yield acres from…

Q: It is estimated that 1 in 59 students in Canada have been diagnose Austism Spectrum Disorder. In a…

A: It is given that, 1 in 59 students in Canada has been diagnosed with Autism Spectrum Disorder.  i.e.…

Q: In a past presidential election, it was estimated that the probability that the Republican candidate…

A: Given information: The probability that the republican candidate would be elected in past election…

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Five birds hit the Washington Monument and are killed on average, each week. Funds will be allocated…

Q: What is the probability that an adult has a high BMI? What is the probability that an adult lives in…

A: ----------------------------------------------------------------------------------------------------…

Q: In an eight-child family, what is the expected number of boys? (Assume that the probability of a boy…

A: Let, X= number of boys  number of observations = n =8  probability of a boy= p = 1/2  So, X follows…

Q: A gambler states that the probability of getting a "1" and a "2" when rolling two four-sided dice is…

A: here two 4 sided dice are rolled

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

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A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: An analyst estimates that the probability of default on a seven year AA-rated bond is 0.49, while…

A: Let; AA = Default on a seven year AA-rated bond A = Default on a seven year A-rated bond Given;…

Q: Every year many people hiking the australian outbacks are reported to be lost, and around 40% are…

A: Let R be the event to denote found by rescue missions       R' be the event to denote not found by…

Q: A baby born in 2011 is randomly selected. What is the probability that the baby was born in March?

A:

Q: It is known that 10% of the calculators shipped from a particular factory are defective. What is the…

A: Givenp=0.10n=5x~Binomial(n=5,p=0.10)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1...,n

Q: (a) Suppose a mechanic begins to diagnose the problem by checking the spark plugs first and find…

A:

Q: (a) What is the probability that a randomly chosen male respondent or his partner has blue eyes? (b)…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: In a certain year, the probability that a person in the United States would declare personal…

A: Given: In a certain year, the probability that a person in the United States would declare personal…

Q: A large national study finds that 10% of pregnant women deliver prematurely. A local obstetrician is…

A: Given: Probability of women deliver prematurely is, p=10%=0.1. Number of pregnant women is, n=16.…

Q: If a person tests negative, what is the probability that the person is actually free of the disease?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A:

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Formula : P(A') = 1 - P(A)

Q: The monthly incidence of necrotizing fasciitis in the U.S. is 50 cases. The population of the U.S.…

A: Solution: It is given that the monthly incidence of necrotizing fasciitis in the U.S. is 50 cases.…

Q: During a study of auto accidents, the Highway Safety Council found that 60 percent of all accidents…

A:

Q: A flu test shows that about 31% of all patients visited the hospital. Suppose that 90 patients…

A:

Q: A large national study finds that 10% of pregnant women deliver prematurely. A local obstetrician is…

A: As per bartleby guidelines only 3 subparts are answered, please upload the rest separately. It is…

Q: A recent survey showed that 18% of MIS students have experienced some form of anxiety during the…

A: It is an important part of statistics. It is widely used.

Q: Suppose that in the small state of Rhode Island in the USA, the average number of women suffering…

A:

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: 14 percent of the school age population attends private schools and 1% of those get​ executive-level…

A:

Q: A physical therapist at Enormous State University knows that the football team will play 40 percent…

A:

Q: What is the probability that a randomly selected passenger survived on the Titanic? What is the…

A:

Q: Statistics released by a reputable traffic safety organization show that on an average weekend…

A: Answers: a) The probability is 0.0011 b) The probability is 0.0222 c) The probability is 0.3693

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Given  Mean = 5

Q: ) What is the probability that a randomly selected adult regularly consumes both coffee and soda? )…

A:

Q: Empirical evidence suggests that 25% of Florida drivers are uninsured. If four random Florida…

A: The probability of more than one driver is uninsured can be calculated using Binomial distribution:

Q: Bicycles for hire at the Durban Beach front are deemed beyond repair when one or both its wheels are…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: It is found that a certain pharmaceutical cures symptoms in 35% adults. If 500 people take the…

A: Givenp=0.35n=500x~Binomial(n=500,p=0.35)P(X=x)=(nx)(p)x(1-p)n-x   ; x=0,1,..,n