Phone choices According to the National Center for Health Statistics, in December 2012, 60% of U.S. households had a traditional landline telephone, 89% of households had cell phones, and 51% had both.7 Suppose we randomly selected a household in December 2012. What's the probability that the household has a traditional landline telephone or a cell phone?

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: A survey of California community college statistics students were asked their student status and…

A: The table shows the student status and type of class.

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A: It is given that, 16 of the 200 digital video recorders in an inventory are known to be defective.

Q: D. Based on the ercent chance of

A: The event A and event B are the mutually exclusive events , they are not the dependent events which…

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A: The given scenario satisfies the characteristics of binomial distribution.Formula for binomial…

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A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

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A: Given, n=9 p=8%=0.08

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A: We have to find the probability that at least 90 of them have purchased a drawing board..

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

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A:

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

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A:

Q: Approximately 9% of people are left-handed. If two people are selected at random, what is the…

A:

Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: Today, only 25% read the New York Times. Five percent of residents read both papers. Suppose we…

A: event  USA : read USA today NY : read New York times P(USA) = 0.40 P(NY) = 0.25 P(USA∩NY) = 0.05

Q: In an assembly of 200 people there approximately 2% of them are civil engineers. If we randomly…

A: Givenn=200p=0.02x=no.of people being civil engineersx~Binomial(n=200,p=0.02)P(X=x)=Cxn px (1-p)n-x…

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A:

Q: Suppose that 84% of students in a college have a smart phone. If you select three students at…

A: sample size(n)=3 p=0.84 Let "x" be no.of students have a smart phone x~Binomial(n=3,p=0.84)…

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A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…

Q: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

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A: Let us define some events A : a woman has breast cancer. B : a woman does not have breast cancer. E…

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A:

Q: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

A: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

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A: According to the given information,Probability of success, p = 41% = 0.41Sample size, n = 10Let X be…

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

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A:

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: Given,

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

A:

Q: We are told that 37%37% of students at a large university are minorities. If a student from this…

A:

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A: given data, p= business have eliminated jobs p=0.28q=1-0.28=0.72n=10x= no.of have elimated jobs…

Q: According to the 2001 Kids Count Data Book, about 80% of children under the age of 2 in the United…

A: Let Y be the number of children who have been immunized.It is given that 80% of children under the…

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A:

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Let X be the number of dogs from binomial distribution with probability (p) = 30% = 0.30 and sample…

Q: 4. According to the South Carolina Department of Mental Health web site, for every 200 U.S. women,…

A: given dataone out of 200 suffer from anorexia∴ λ = 1200t=n=600 people group∴ λt = 1200*600 = 3p(x=X)…