C1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also incorrectly send 1% of legitimate emails to my junk folder. Suppose that 1 in 10 emails are spam. What proportion of emails in my junk folder are actually legitimate emails?

Q: According to the U.S. Census Bureau, 69% of children under the age of 18 years in the United States…

A: a. Here, it is of importance to know whether the new sample shows 69% of the children live with two…

Q: Twenty percent of the trees in a particular forest have a disease, 30% of the trees are too small to…

A: Bayes' Theorem :  Bayes’ theorem is a mathematical formula used to determine the conditional…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: 9% of the employees suffered lost-time accident last year. Management believes that a special safety…

Q: 4. Businesses today regularly deal with malicious emails (also known as phishing attacks). Last…

A:

Q: If 40% of candidates for the soccer team pass the fitness test, and only 30% of all athletes are…

A: It is given that there are 40% of candidates for the soccer team pass the fitness test. There are…

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: In our day-to-day life, we use probability without knowing to us. We use the word probably many…

Q: 5. Suppose that, after five years of use, 45% of tablet computers have problems with the camera, 30%…

A: Solution

Q: How would I go about answering this question?

A:

Q: percent of those that play FIFA also play DOTA?

A: Here use Bayes rule

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Let P1 be the percent of lost time accidents in the first year.P1=10%15% of the employees having an…

Q: A company receives complaints about their product bending and needs to determine how many faulty…

A: Let A be the event that product is defective. P(A)=0.04 Let Ac be the event that product is not…

Q: .7. In a very hotly fought battle, at least 80% of the combatants lost an eye, at least 70% lost an…

A: Given  that, in a battle, at least  80% of the combatants lost an eye, at least  70% lost an ear, at…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Given that 9% of the employees suffered lost-time accidents last year. Let this be event A1. P(A1) =…

Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…

A: 0.3% of 100000 population have virus.  0.3*100000/100= 300  people have virus.  88% have virus and…

Q: The cancer treatment facts and figures show that for early-stage lung cancer 71% of all patients…

A: Event: In probability theory, an event is an outcome or a set of outcomes of a random experiment to…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: The given data is as follows:

Q: C1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also…

A: Let A represents an event that an email is spam.B represents an event that an email that is not…

Q: company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Let A denotes the number of employees suffered lost time accidents last year and B denotes the…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Probability of an event is the percentage of chances that the event will occur. The probability lies…

Q: In China, the birth ratio is claimed to be 100 girls to 114 boys (46.7% girls). Suppose you don't…

A: As per the guideline, only 3 subparts of questions can be answered at once. please post other parts…

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: The percentage of employees who suffered lost time in accidents  last year was 6%The percentage of…

Q: In a certain city of several million people, 6.9% of the adults are unemployed. If a random sample…

A:

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

A:

Q: A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant.…

A: Let A and B be the employees suffered accidents in last year and current year respectively P( A) =…

Q: Suppose that in a survey of 1,000 U.S. residents, 721 residents believed that the amount of violent…

A: From the provided information, Number of residents = 1000 721 residents believed that the amount of…

Q: 7. A study shows that 80% of the population was vaccinated against the Venusian flu but 2% of the…

A: Let us denote :A=the event that a person got vaccinatedB=the event that a person got fluGiven that…

Q: Suppose the prevalence of "dance fever" at a college is 40% among women and 10% among men. If there…

A: Given that the prevalence of dance fever among women is 40%. The prevalence of dance fever among men…

Q: Suppose the percent of licensed U.S. drivers (from a recent year) that are female is 48.40. Of the…

A: Solution: It is given that 10,000 U.S. licensed drivers are randomly selected. We are also given…

Q: 43% of the students in a school are boys. If there are 399 girls in the school, what is the entire…

A: The term per cent means for every hundred. A fraction whose denominator is 100 is called a…

Q: Suppose that Ford vehicles make up 20% of the U.S. vehicles market. Suppose also that 8% of U.S.…

A: Given information: Percentage of Ford vehicles that make up the U.S. vehicle market = 20% Percentage…

Q: 72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to…

A: For example we take 100 Americans 72% of Americans said that they planned to travel in 2021, 72% =…

Q: swer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p, where p is…

A:

Q: Suppose an internet marketing company wants to determine the current percentage of customers who…

A: Given that  Margin of error =E =2%=0.02 90% confidence level.