Suppose it is reported that 74 % of people subscribe to a cable or satellite television service. You decide to test this claim by randomly sampling 125 people and asking them if they subscribe to cable or satellite televsion. What is the probability that at least 78 subscribe to cable or satellite television service?

Q: According to a recent study, 79% of kids believe in the tooth fairy. Suppose we obtain a random…

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Q: According to the Center for Paranormal Activity and Defense (a secret division of the FBI), 10% of…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: ased on historical data, your manager believes that 37% of the company's orders come from first-time…

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Q: The median age of residents in a certain town is 33 years. If a survey of 100 randomly sampled…

A: In the given data since the median value is 33 years, we can say that the probability of any…

Q: Based on historical data, your manager believes that 44% of the company's orders come from…

A: Obtain the probability that the sample proportion is between 0.22 and 0.33.   The probability that…

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

Q: What is the probability that a randomly selected survey participant prefers the NFL? (Round to four…

A: Note : According to our guidelines we are solving only first three sub-parts of a question and the…

Q: A recent survey found that 62% of college students attend more than one institution during their…

A: Let the R.V X denotes the number of students attend more than one institution and it follows the…

Q: Based on historical data, your manager believes that 32% of the company's orders come from…

A: Given p=0.32n=89 Let the sample proportion be denoted by p^

Q: A recent survey found that 63% of college students attend more than one institution during their…

A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…

Q: A CBS News/new York times survey found that 97% of Americans believe that textingwhile driving…

A:

Q: Suppose 58% of politicians are lawyers. If a random sample of size 681 is selected, what is the…

A: It is given that n =681 and p =0.58.

Q: A CBS News/new York times survey found that 97% of Americans believe that textingwhile driving…

A:

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: Given p = 0.33, n = 219 Mean, μ =np = 219 x 0.33 = 72.27 Standard deviation, σ= npq = 219×0.33×0.67…

Q: A quality control inspector has drawn a sample of 12 light bulbs from a recent production lot. If…

A: # given : sample size n=12  Proportion of defective=20%  The lot will be accepted if no of…

Q: A TV executive is interested in the popularity of a particular streaming TV show. She has been told…

A: Let X: number of households in her city being monitored by the tv industry would tune in to the new…

Q: Based on historical data, your manager believes that 26% of the company's orders come from…

A: Given information Population proportion = 0.26 Sample size = 175 Probability that the sample…

Q: When correctly adjusted, a machine that makes widgets operates with a 5% defective rate. However,…

A: Consider D as an event that machine is defective that is (D=5%) in terms of probability P(D)=0.05…

Q: An experimental drug was given to a sample of 107 hospital patients with an unknown sickness. Of the…

A: From the given information the total number of samples are 107. 68 reacted favorably. 14…

Q: What is the probability that a randomly chosen respondent believes the earth is warming given that…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: Given: 56% of politicians are lawyers that is proportion (p) = 0.56 Sample size (n) = 564

Q: What is the probability that a randomly selected representative votes yes on El Salvador aid? Round…

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Q: At a very large university, 70% of students that apply are accepted. Suppose 18 applicants are…

A: Givenp=0.70n=18x~Binomial(n=18,p=0.70)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,...,n

Q: Suppose a birth control pill is 98% effective in preventing pregnancy. (Round your answers to three…

A: Let us denote X= number of non-pregnant women  n= number of trials= 100 p= probability of a success=…

Q: A courier service company wishes to estimate the proportion of people in various states that will…

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Q: Industry standards suggest that 10% of new vehicles require warranty service within the first year.…

A: Given that  10% of new vehicles require warranty service within a year . P = 0.10 (1-P)  =q = 1-0.10…

Q: The arduous task of combing and tying up long hair and a desire to assimilate has led to…

A: Given - 25% of Sikh youths do not wear turbans. To find -  P= Probability of an Event x a) P(x=2) b)…

Q: A sample of 500 adults were surveyed on their interest in winter activities. 74 of those studied do…

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Q: What is the probability that exactly 5 of them have hypertension What is the probability that more…

A: Let p be the probability that an adult has hypertension. Given that p = 0.30 Let X denotes the…

Q: A politician running for Senate in California claims that only 34% of CaliforhlanS dp her competitor…

A: From the given information, n=50 p=0.34

Q: When purchasing bulk orders of​ batteries, a toy manufacturer uses this acceptance sampling​ plan:…

A: Solution

Q: Based on historical data, your manager believes that 40% of the company's orders come from…

A:

Q: It is known that 10 out of 15 members of the board of directors of a company are in favor of paying…

A: We have given that  Success of probability p = 10/15=0.67 Number of trials n=3 X~binomial (n,p)

Q: A CBS News/New York Times survey found that 97% of Americans believe that texting while driving…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan:…

A:

Q: Sixty percent of all children in a school do not have cavities. The probability, rounded to four…

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Q: During a power blackout, 100 persons were arrested on suspicion of looting. Each person is made to…

A:

Q: Based on historical data, your manager believes that 35% of the company's orders come from…

A: Concept of sampling distribution of sample proportion: Let a particular characteristic of a…

Q: A sample of 400 adults were surveyed on their interest in winter activities. 87 of those studied do…

A:

Q: Based on historical data, your manager believes that 34% of the company's orders come from…

A:

Q: A sample of 400400 adults were surveyed on their interest in winter activities. 6767 of those…

A: Given information- Sample size, n = 400 Number of adults those studied do not like cold weather = 67…

Q: A certain group of symptom-free women between the ages of 40 and 50 are randomly selected to…

A: Probability of breast cancer= 0.9%=0.009  Probability of false negative= P(tested negative | has…

Q: Based on historical data, your manager believes that 39% of the company's orders come from…

A:

Q: Suppose that more than a decade ago high levels of lead in the blood put 82% of children at risk. A…

A: From the provided information, More than a decade ago high levels of lead in the blood put 82% of…

Q: Two friends are opening a coffee shop. As they write their business plan, they research the amount…

A: Answer is explained below-

Q: Suppose that more than a decade ago high levels of lead in the blood put 82% of children at risk. A…

A: From the provided information, Sample size (n) = 100 Proportion (p) = 0.82 Let X is a random…

Q: A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If…

A: Consider X as the number of successes (the lot passes inspection) out of the n = 19 light bulbs.…

Q: The arduous task of combing and tying up long hair and a desire to assimilate has led to…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Suppose that jurors are selected randomly from an adult population. What is the probability that all…

A:

Q: A quality control inspector has drawn a sample of 10 light bulbs from a recent production lot.…

A: We have to find given probability using binomial distribution.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.