Q. 1 Suppose that 4.5% of all adults over 50 have cancer. A certair physician correctly diagnoses 94% of all adults over 50 with cance as having the disease and incorrectly diagnoses 4% of all adults ove 50 without cancer as having the disease. (i) Draw a tree diagram and label it with appropriate probabilities. (ii) Find the probability that a randomly-selected adult over 50 i diagnosed as not having cancer. (iii) Find the probability that a randomly-selected adult over 50 actually has cancer, given that he/she is diagnosed as not having cancer

Q: In 2016 Canada was home to 7.54 million foreign-born residents, or 21.9 percent of the population. A…

A: Let X denote the number of residents are foreign-born. Then X follows a Binomial distribution with…

Q: (4) Of 50 fitness buffs, 25 like bicycling, 35 like jogging, and 15 like bicycling and jogging. a.…

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Q: Suppose there is a 25.4% probability that a randomly selected person aged 30 years or older is a…

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Q: Suppose there is a 11.7% probability that a randomly selected person aged 20 years or older is a…

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Q: randomly selected person aged 30 years or older is male, given that he or she jogs. What is the…

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Q: Suppose there is a 10.1% probability that a randomly selected person aged 35 years or older is a…

A: To find: 1.The probability that randomly selected person aged 35 years or older is male and smoker…

Q: Suppose that 70% of students in Prof. Leen’s statistics class do their homework regularly and 65%…

A:

Q: Suppose that four out of 20 liver transplants done at a hospital will fail within a year. Consider a…

A: The given case follows a Binomial distribution with parameters, p = 4/20 = 0.2 n = 3   Now, we are…

Q: Suppose there is a 11.2% probability that a randomly selected person aged 35 years or older is a…

A: Given Information: There is 11.2% probability that a randomly selected person aged 35 years or older…

Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…

A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…

Q: Suppose there is a 24.6% probability that a randomly selected person aged 40 years or older is a…

A:

Q: Suppose that 71% of diners ask for a manager when they have a complaint, while 29% of diners ask for…

A: event A : have complaint and ask for manager B : gave question about the menu and ask for manager C…

Q: 3. Suppose your school is in the midst of a flu epidemic. The probability that a randomly-selected…

A: Given information Let event A denotes that the student has flu Event B denotes that the student is…

Q: Suppose that a poll finds that 33.7​% of taxpayers who filed their tax return electronically​…

A: n=3p=0.337A random variable XBinomial(n=3, p=0.337)P(X=x)=

Q: A vendor supplies 200 parts and claims that no more than 25% of them are defective. The receiving…

A: Total number of parts=200 Sample size(n)=5 Claim is that not more than 25% are defective

Q: Suppose a county's recent health report gives a pet allergy prevalence of Pet allergy Test result…

A: Given in the diagram- P(pet allergy)=0.23P(no pet allergy)=0.77 When test is conducted then the test…

Q: A recent poll indicates that 48% of all registered voters in America plan to vote for a specific…

A: given data, p=0.48n=12q=1-0.48=0.52p(X=x)=nCx *px*q(n-x) (binomial distribution)x= no. of ragisterd…

Q: Suppose a there is a 40% chance a randomly selected person likes strawberry ice cream, a 70% chance…

A: (1) Obtain the probability that a randomly selected person likes chocolate ice cream but not…

Q: omly selected person aged 20 years or older is male and jogs? Would it be unusual to randomly sel r…

A: Given P(J)  = 26.6% =0.266 P(M|J) = 12.4% =0.124

Q: mple of twelve such machines is drawn. Given that fewer than 3 such machin chnical issue, what is…

A: To find the probability that at most one machine has at least one technical issue:   Given that…

Q: In 2003, 5% of all light vehicles sold (SUVs, pickups, passenger cars, and minivans) in a country…

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Q: Suppose there is a 21.9% probability that a randomly selected person aged 25 years or older is a…

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Q: What happens to trees over a five-year period? A study lasting more than 30 years found these…

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Q: Suppose a county’s recent health report gives a pet allergy prevalence of 0.15 for kids. There is a…

A: Given data, P(Positive | Not have allergy)=0.07 P(Not have allergy)=1-0.15=0.85 P(Negative |…

Q: Golden Years Insurance company estimates the probability that a randomly selected male senior…

A: In here we've the details of senior citizens own supplemental health insurance from Golden Years…

Q: Suppose there is a 17.6% probability that a randomly selected person aged 35 years or older is a…

A: Unusual event: An event is said to be unusual if they have smaller probability of occurrence.…

Q: Whenever horses a, b, c race together, their respective probabilities of winning are 0.3, 0.5, 0.2.…

A: Whenever horses a, b, and c race together, their respective probabilities of winning are 0.3, 0.5,…

Q: Suppose there is a 14.1% probability that a randomly selected person aged 30 years or older is a…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.