Indicate which of the following variables are discrete.  1)Number of persons in a family.  2) Monthly TV cable bills.  3)Lottery revenues of states.  4)Number of wheels of a car.  5) Monthly spendings of a family.

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A: The histogram shows the distribution of the data set.

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A: Given that SSwithin = 2689

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A: The margin of error is 0.13 and the variance is 2.56.

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A:

Q: For the following data, the value of SSE = 30.75. Dependent Variable Independent Variable (x) (y) 14…

A: From the provided information,

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A: From the provided information,p = 0.81n = 10

Q: In each case, determine the value of the constant c that makes the probability statement correct.…

A: (a)    Φ(c) = 0.9846(b)    P(0 ≤ Z ≤ c) = 0.2995(c)    P(c ≤ Z) = 0.1335

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A: Number of trail n=10Probability of success p=0.37X~Bin(n,p)

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A: Given thatX       Y0      205      4010      90We have to find the slope of the simple linear…

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A: Let X be the number of activities that a college freshman participates in.The PMF of X is,…

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A: Given, has a gamma distribution with  anThe pdf is given by,0 \)" data-mce-style="cursor:…

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A: Sample size(n)=10Probability of employed students (p)=0.6q=1-pq=1-0.6=0.4A random variable…

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Q: reate a 95% confidence interval for a population proportion from a sample of size 71 with sample…

A:

Q: A sample, from a population has a μ = 45 and σ = 10, has M = 49. If the sample corresponds to a…

A: Population mean Population standard deviation Sample mean

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A: Suppose the random variable X defines the SAT score of a student.

Q: The maintenance department at the targe state university receives daily r replace fluorecent…

A: Solution :68-95-99.7 rule is also known as empirical rule.

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A: The mean is 100 and the standard deviation is 15.

Q: Calculate the upper 99% confidence interval for the population mean. (round to the nearest tenth)…

A:

Q: 5. A boat capsized and sank in a lake. Based on an assumption of a mean weight of 143 lb, the boat…

A: The provided information is as follows:The mean weight is .The standard deviation is .

Q: Advertising Year Expenditure Membership Year $ (000) Subscriptions 2013 51 62 2014 58 68…

A: YearExpenditure($000)Subscriptions201351622014586820156266201665662017686720187672201977732020787220…

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Q: Consider a sample with data values of 10, 20, 12, 17, and 16. Round your answers to the nearest…

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Q: 2.4-9. Suppose that the percentage of American drivers who multitask (e.g., talk on cell phones, eat…

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A: n=sample size=206, p=16.6% X~Bin(n=206, p=0.166)

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

Q: 6. Let M = σ= 0 = σ= 0 = IN ن احر 4 6 10 4 -10- .6 .3 be a stochastic matrix. Which one of the…

A: The given stochastic matrix is: For the given vector, the stochastic matrix M is considered to have…

Q: A machine makes metal rods that have lengths that may be modeled by a normal model with a mean of 50…

A: We have given that a machine makes metal rods that have lengths that may be modeled by a normal…

Q: 96 percent of adults own a smart phone around the world. In a random sample of 250 adults, what is…

A: Number of sample =250p=0.96

Q: Please answer the following: You can use the graphing calculator-just explain how to input into…

A: For the distribution of the tread life of the snow tiers, it is given that:The mean life (in miles),…

Q: 100 pieces of fruits and vegetables marinate in a pot of pickles. Their flavors vary between mild,…

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A:

Q: The accompanying data are measured body temperatures of adults at 12 AM on a certain day. Use the…

A: The data on the body temperature of adults is given as…

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A: The question is about sample size estimation.Given :Level of confidence ( C ) = 0.95Maximum error (…

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A:

Q: Yt = Y(t-1) + e(t) - .1 e(t-1) Which ARIMA model is this? (Identify p, d, and q.) What are the…

A: ARIMA model is given as  :It is denoted as ARIMA(p,q,d)where ,p represents the autoregressive…

Q: 18. Suppose that the distribution of scores on the Graduate Record Exam (GRE) is approximately…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.Thus,…

Q: Twenty-five randomly selected students were asked the number of movies they watched the previous…

A: Given frequency distribution table is,# of movies (Xi)Frequency (fi)0519263441Using formulas,

Q: Use the table below to answer the following questions 3 or more 6 3 9 # of Children 0 2 From the U.S…

A: Given data is available in the following table# of children0123 or moreTotalFrom the U.S7917639From…

Q: Suppose that  A  and  B  are complementary events and you know that  P(A) = 0.41,  what is the…

A: It is known that  and A and B are complementary events.

Q: Heights of women can be modeled by a normal model with a mean of 63.6 inches and a standard…

A: Mean()=63.6standard deviation()=2.5The Beanstalk Club, a club for tall people, has a requirement…

Q: In a random sample of 670 cows in a country, 282 cows tested positive for brucellosis. Calculate the…

A: The provided information is as follows:The total number of cows in the country is  .The total number…