10.0cherwise, Compute the probability

Q: The probability that a painting job is finished in 3-9 days is 0.42, in 9-12 days is 0.67 and in…

A: We have to find out given probabiity..

Q: Three students from a 15 student class will be selected to attend a meeting. 8 of the students are…

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Q: Let X be the number of times '4' is rolled out of a total of 8 rolls.  What is the probability that…

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Q: There is a product that is defective with a probability of 0.03. They are sold in packages of 12.…

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Q: Three students from a 20 student class will be selected to attend a meeting. 9 of the students are…

A: Given that there 20 students in a class. Three students from a 20 student class will be selected to…

Q: Assume that each child who is born is equally likely to be a boy or a girl. Suppose that a family…

A: Each child who is born is equally likely to be a boy or a girl, Family has 4 children : Possible…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: Let the random variable X denote the no. of adult Smartphone users  use their smart phones in…

Q: Assume that when adults with smart phones are randomly selected, 59%. Use them in meetings or…

A: Given that  n = 5 , p = 59% = 0.59 , q = 1 - p = 1 - 0.59 = 0.41 X ~ Binomial ( n = 5 , p = 0.59 ) X…

Q: e. Compute the probability that the sales are larger than 1500 gallons on a given day f. Compute the…

A: The pdf of the random variable Y is  fy=ky-1y3     , 1≤x≤2        0             , elsewhere

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: P(use smartphone in meeting or classes) : p = 0.54sample size : n = 9x = Number of adults use…

Q: A basketball player succeeds in making a basket 3 tries out of 4. How many tries are necessary in…

A: Given: P(Success in a single shot) = 3/4 = 0.75

Q: Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A: Given Information: Probability of success, p = 44% = 0.44 Number of trials, n = 7 To find the…

Q: A fair die is rolled until a 6 occurs. Compute the probability that 10 rolls are needed. an odd…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Three students from a 16 student class will be selected to attend a meeting. 5 of the students are…

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Q: 40% of consumers believe that cash will be obsolete in the next 20 years. Assume that 7 consumers…

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Q: A baseball player’s batting average is 0.320 (32%). This player batted 100 times. 1) Find the…

A: Solution Given That, A baseball player’s batting average is 0.320 (32%). This player batted 100…

Q: find the probability that exactly 2 of them use their smartphones in meetings or classes.

A: Let p be the probability that a student use smartphone in meetings or classes. Given that p= 54% =…

Q: The probability that your call to a service line is answered in less than 30 seconds is 0.75. Assume…

A: Given, The probability that your call to a service line is answered in less than 30 seconds is 0.75.…

Q: Assume that when adults with smartphones are randomly selected,56​% use them in meetings or classes.…

A: Given,n=5p=0.56Let X=no.of adults use their smartphones in meeting or classesX~Binomial(n=5 ,…

Q: Assume that private preschool costs in the city are normally distributed. The average amount that…

A: The given data is as follows:Population mean, Population standard deviation, Sample size,

Q: A tennis player makes a successful first serve 80% of the time. Assume that each serve is…

A: From the given information, probability of a successful first serve is 0.80 sample size(n)=5 Let X…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

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

A: given data, p=use smart phone in meetings or classes.p=0.57q=1-p=1-0.57=0.43n=5x= no . of   smart…

Q: The probability that the bus is late any one day is 0.20. Find the probability that, in a week of…

A: Introduction: Denote X as the random variable representing the number of days that the bus is late…

Q: Assume that a survey of 200 randomly selected people showed that 105 will vote in the 2020 General…

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