On average, a professor receives 24.7 e-mails from students the day before a final exam. What sort of probability distribution will he use to calculate the probability of receiving at least 10 e-mails on such a day? A) Poisson distribution B) Binomial distribution C) All of the above D) None of the above O a A Ob. D OC. C

Q: the binomial probability distribution, let the number of trials be n = 4 , and let the probability…

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Q: In an election, suppose that 65% of voters support the incumbent candidate. If we poll 172 of these…

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Q: Question3…

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Q: he probabilities that a patient will have 0,1 ,2 , or 3 medical tests performed on entering a…

A: Given that The data of number of medical tests performed on entering a hospital. Number of tests…

Q: a. 27% students have passed their last year's degree examination. A random sample of 7 students is…

A: Given data ,PPass=27 %=0.27PFail=1-PPass=1-0.27=0.37If n=7P4≤x≤6=?

Q: Assume that when adults with smartphones are randomly selected? 53% use them in meetings or classes.…

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Q: Assume that when adults with smartphones are randomly​ selected, 64​% use them in meetings or…

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Q: One airline averages about 2.4 fatalities per month. Assume that the probability distribution for x,…

A: From the provided information, One airline averages about 2.4 fatalities per month that is (λ) = 2.4…

Q: The number of visitors to a webserver per minute follows a Poisson distribution. If the average…

A: Recall the following. PX=k=e-λtλtkk!, k=0,1,2,... a) The probability that there are three or fewer…

Q: 6) A sports announcer researched the performance of baseball players in the World Series. The random…

A: Given:    Hits          0         1          2        3         4         5         6      7…

Q: Suppose that the number of car accidents per day in Wilmington, NC has been recorded for the past…

A: Probability of at least two accidents = P(2accident) + P(3 accident) + P(4 accident)

Q: The probability that a patient will have 0,1,2,3 medical tests performed on a hospital is…

A: Given : The prob. that a patient will have 0 , 1 , 2 , 3 medical tests performed on a hospital is…

Q: On average, 8 persons visit the doctor in a given hour. Assuming a Poisson probability distribution,…

A: Given that 8 persons visit the doctor in an hour And follow Poisson distribution

Q: b) Create a probability distribution for the random variable C

A: From the give information, Consider, probability distribution table: C=c P (C=c) 2…

Q: A safety engineer claims that 1 in 10 automobile accidents are due to driver fatigue. If 5 accidents…

A: Given: A safety engineer claims that 1 in 10 automobile accidents are due to driver fatigue.   5…

Q: 5) 74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random…

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Q: neighborhood of 40 households records the following distribution, based on the number of pets per…

A: Solution: Let X represent the number of pets per household.  Total frequency = 40 The relative…

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

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Q: The mean customer aarival for a book store in a day is 8. What is the probability that on a given…

A: We have givenλ = 8X ~ Poisson (λ = 8)Formula: P(X = x ) = (e-λλx)/x!

Q: The probability that a police officer is hiding behind a billboard next to the highway is 0.06. The…

A: Conditional probability:   Let A and B be two events, then the condition probability for event A,…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A: Givenno.of people uses them in meaatings(p)=0.46sample…

Q: According to one poll, 54% of households in a certain region had no landline and only had cell phone…

A: The following information has been provided: The probability of success is p=0.54. The probability…

Q: on has blood type A is 0.3.Two persons are selected at random. What is the probability that neither…

A: Consider: E: The event that selected person has Blood type A. We have P(E)=0.3 The probability of…

Q: Which of these is not a proper probability distribution?

A: Given that  There are four probabilities distribution is given in question  Sum of all probabilities…

Q: at is the probability that 9 shoppers from this sample felt that regifting was socially acceptable?…

A: We have given that  Sample size n = 10 Success of probability p= 0.81 X~binomial ( n , p)…

Q: Assuming no other ethnicity group is represented, what is the probability of a death row inmate…

A: A distribution of probability of race and/or ethnicity of the inmates is:   African American…

Q: Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or…

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Q: In the first draft of a book on probability theory, there are an average of 15 spelling errors per…

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Q: 2. Dale conducted a survey of the students in his cla to observe the distribution of eye color. The…

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Q: During peak period, customers arrive at random at a fish and chip shop at the rate of 20 customers…

A: Given: Rate of customer arrival every 15 minutes λ=20 Let X be number of customers  So, X be…

Q: All students in a high school were surveyed about two sports. The results are shown in the graph.…

A: The graphs show a sports survey of the high school students.

Q: 6. Which of the following table represents probability distribution? A. P(X) О.11 0.15 0.42 0.44 в.…

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Q: Certain class is attended by 15 females and 16 males. Suppose two students must be selected…

A: The given information is, Total number of females = 15 Total number of males = 16 The variable X…

Q: According to an​ airline, flights on a certain route are on time 80​% of the time. Suppose 17…

A: p(flight on time) = p = 0.80 n = 17 flights selected x = No. of flight on time   p(x=X) = nxC  px…

Q: Assume that when human resource managers are randomly​ selected, 38% say job applicants should…

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