Number of mobile users in a particular country, 40% prefer Android and 60% prefer iOS, of those mobile users who prefer Android, 30% are males and of those who prefer iOS, 40% are male. What is the probability that a randomly selected mobile user prefers Android, given that the user selected is a male?

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: given, p =0.13 n = 225 p^ = 0.071   To find, P (x < 0.071) = ?

Q: 40% of the managers in an international company have traveled abroad, 50% of them can speak foreign…

A: Let event T:Manager travelled abroad event F:Manager can speak foreign language. PT=0.4 therefore…

Q: The 118 passenger list for a particular flight includes five terrorists. What is the probability…

A: Here, n = 20. Consider X denotes the passenger is terrorists. The probability of success is, p=5118…

Q: Answer the questions below. (a) The 9 participants in an experiment had the following reaction times…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: There are 18,230,322 veterans in your state. There are 3,055 veterans in your city. What is the…

A: Nstate = 18230322 Ncity = 3055 Probability of selecting a veteran from state, P(S) = 1/18230322.…

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: In a family with 7​children, excluding multiple​ births, what is the probability of having7 ​girls?…

A: total no.of possible outcomes of a family having a 7 children iss=27s=128

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: Based on surveys, 97% of students own cell phones.  What is the probability that 10 randomly…

A: Given,p=0.97n=10X=no.of students own cell phones.X~Binomial(n=10 , p=0.97)P(X=x)=Cxn px(1-p)n-x ;…

Q: In a sample of 1000 US adults 106 think that most celebrities are great role models.  Two US adults…

A: Given that, in a sample of 1000 US adults, 106 think that most celebrities are great role models. We…

Q: A survey shows that about 65% of all respondents chose to have dogs over cats. Suppose that 15…

A:

Q: A survey showed that 50% of customers like Toyota cars, 40% customers like Nissan cars, and 70% like…

A: A survey showed that 50% of customers like Toyota cars, P(toyota) = 0.5 40% customers like Nissan…

Q: According to​ statista.com, 66.7​% of U.S. households have Cable TV​ / Satellite TV. If six…

A: From the given information, the percentage of U.S households have Cable TV​ / Satellite TV 66.7% and…

Q: randomly pick 10 such

A: Let X be the random variable such that number of institutions offering online courses. N: Total…

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant.If 12 seeds are planted,…

A: The objective of this question is to find the probability that exactly 2 out of 12 seeds do not grow…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

A:

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A:

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant.

A: Given that the 70% chance of growing into a healthy plant. P(growing a plant)=0.70 P(not…

Q: Six percent of American adults are considered millionaires. If 100 randomly selected adults are…

A: Here it is given that 6% of American adults are millionaire. We need to find the probability of 7 or…

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: about 38% of the population have blood type-O positive. If you randomly choose 4 people, what is the…

A: It is given that p = 0.38 and n = 4. The probability mass function of the binomial distribution is…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that if a seed is planted, the chance of growing into a healthy plant is 90%.

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

Q: f a seed is planted, it has a 75% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Probability of growing  into a healthy plant when a seed is planted=0.75Sample size(n)=12

Q: If 15% of students like tennis and I expect 500 new students on campus what is the probability that…

A: Probability that students like tennis, p=15% = 0.15 q=1-p= 1-0.15= 0.85 Sample size n=500…

Q: A survey showed that 60% of customers Toyota cars, % customers Nissan car, and 30% like both cars…

A: P(Toyota) = 0.6 P(Nissan) = 0.4 P(Nissan and Toyota) = 0.3

Q: Out of 176 students surveyed at a sporting event, half were males and athletes. 120 students…

A:

Q: If 42% of students own a car and 27% of students own a bike. What is the probability that a student…

A: Given Data: The probability that student own a car is: P(A)=42% The probability that student own a…

Q: A company gets 5 letters of complaint (in average) per day. What is the probability of having 4…

A: Given :-   A company gets 5 letters of complaint (in average) per day , so λ=5  probability of…

Q: In a sample of 900 adults, 171 think that most celebrities are good role models. Two adults are…

A: Given,Total no.of adults=900no.of good role models=171

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The probability that the plant doesn't grow into a healthy plant (p) .

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: In a sample of 380 actors, 120 have Facebook accounts on social media, 150 have Instagram, while 130…

A:

Q: according to study, 75% of K-12 schools or districts in a county use digital contents such as…

A: It is given that, 75% of K-12 schools or districts in a county use digital contents such as ebooks,…

Q: What is the probability of drawing two red cards from a standard deck of 52 playing cards?

A:

Q: The owner of Maumee Ford-Volvo wants to study the relationship between the age of a car and Its…

A: The independent variable is Age. The dependent variable is Selling Price. We have to find the…

Q: In a family of six children, what is the chance that at least three are girls?

A: Let X be the number of girl's  let p be the probability of getting girl  n be the sample size

Q: 50% of patients are affected by viral fever, of the patients affected by viral fever, 40 % also…

A: Solution: From the given information,

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if three…

A:

Q: In a recent survey 72% of community favorite building a health center in their neighborhood and 14…

A: