Market-share-analysis company Net Applications monitors and reports on internet browser usage. According to Net Applications, in the summer of 2014, Google's Chrome browser exceeded a 20% market share for the first time, with a 20.37% share of the browser market.† For a randomly selected group of 25 Internet browser users, answer the following questions. (Round your answers to four decimal places.) (a) Compute the probability that exactly 7 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (b) Compute the probability that at least 3 of the 25 Internet browser users use Chrome as their Internet browser. (Round your answer to four decimal places.)   (c) For the sample of 25 Internet browser users, compute the expected number of Chrome users.   (d) For the sample of 25 Internet browser users, compute the variance and standard deviation for the number of Chrome users. (Round your answers to four decimal places.) variancestandard deviation

Q: At TCNJ, 35% of the engineering majors belong to ethnic minorities. If 6 students are selected at…

A: Given,n=6p=0.35X=no.of students belong to ethnic minorityX~Binomial (n=6 , p=0.35)P(X=x)=nx pxqn-x…

Q: 2016, 48.3% of college students voted.  What is the probability of getting 40 or fewer students who…

A: Number of trail n=100Probability of success p=0.483

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A:

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)

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A:

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: According to the National Highway Traffic Safety Administration, 83% of Americans used seat belts…

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A: Given that n =7 , p= 0.80 Find P ( X =5 ) =?

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A: Design of experiments

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A: Givensample size(n)=64p=0.04Let "x" be the no.of defects in a batchx~Binomial(n=64 ,…

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A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

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A: Introduction to Geometric distribution: Suppose there are independent trials and the probability of…

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A:

Q: ind the probability that in a randomly selected office hour, the number of student arrivals is 66.

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Q: event has a 50% chance of occurring

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Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

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A:

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

A:

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

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Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: large metropolitan area, the past records revealed that 30% of all high school graduates go to…

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A: Number of sample =250p=0.96

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.