Current estimates suggest that 70% of the home-based computers in a foreign country have access to on-line services. Suppose 20 people with home-based computers were randomly and independently sampled. Find the probability that more than 9 of those sampled currently do not have access to on-line services

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A: Given: Sample size (n) = 100 Probability of success (p) = 0.60 Let X ~ Bin (100, 0.60)

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A: The proportion of orange candies in a certain package is : p=0.18 The sample size is given to be…

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

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Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

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Q: a. Assuming that 50% of all workers who change jobs cash out their pension plans, if 16 workers who…

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Q: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

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Q: In a Gallop Poll, 35% of 30 - 49 states that they believe in ghosts. Find the probability that out…

A: (a) The probability that college students do not believe in ghosts is, P(do not believe in ghosts)…

Q: 13 percent of the patients in a study reported previous episodes of stroke or transient ischemic…

A: Solution: Given information: n= 70 Sample size  p= 0.13 Population proportion.

Q: Based on a​ poll, 62​%of Internet users are more careful about personal information when using a…

A: Since 62% of the internet user is more careful about personal information when using a public ​Wi-Fi…

Q: According to a poll of​ adults, about 4848​% work during their summer vacation. Assume that the true…

A: From the given information, it is clear that sample size, n = 600.The probability of success, p hat…

Q: A pew research center survey asked adults in the United States which technology would be very hard…

A: Given information P(Internet) = 0.7 P(Smartphone) = 0.6 P(email) = 0.3 P(Landline) = 0.25 No of…

Q: Suppose a recent study determined that 29% of Americans favorite ice cream flavor is If a sample of…

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Q: Based on a​ poll, 69​% of Internet users are more careful about personal information when using a…

A: Given Data Probability of success,p = 0.69 Probability of failure,q=(1- 0.69 )= 0.31…

Q: It is estimated that 75% of all young adults between the ages of 18 and 35 do not have a landline in…

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Q: Based on a​ poll, among adults who regret getting​ tattoos, ​17% say that they were too young when…

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Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

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Q: 8. If 30 percent of the mice used in an experiment will become very aggressive within one minute…

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Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

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Q: The Club reports that among individuals in the 28 to 32 age, 35% are football fans. If 200 people of…

A: We have given that p = 35% = 0.35 n = 200

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A: p=0.68  _________________________ P(x≥1) = ?

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Givenp=0.23n=10x~Binomial(n=10,p=0.23)P(X=x)=(nx)×px×(1-p)n-x     ; x=0,1,...,n

Q: Suppose a large consignment of cell phones contained 19% defectives. If a sample of size 399 is…

A: Given Population proportion is 19% sample size is 399

Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…

A: Given : n = 500 p = 0.62 q = 1 - p  q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A:

Q: It has been estimated that 43% of business graduates believe that a course in business ethics is…

A: Given : sample size n = 80 p = 0.43

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

Q: A report indicates that 75% of all Parliament members agree with the proposal to lower the voting…

A: Given : Let X : No. of Parliament members disagree with the proposal A report indicates that 75% of…

Q: According to data on the sale of Vehicles in Barbados, it was calculated that men purchase 75% of…

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Q: a. If a lost hiker is carrying an emergency GPS locator, what is the probability of them being…

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Q: Current estimates suggest that 80% of the home-based computers in a foreign countr have access to…

A: Given : Probability of success,p = 0.80 Probability of failure,q=(1- 0.80)= 0.2…

Q: An economics professional body estimates that 80% of the students taking undergraduate economics…

A:

Q: In a recent year, Delaware had the highest capita annual income with $51, 803. If σ = $4850 , what…

A: Given,  = 51803 ,  = 4850 Using central limit theorem, P( < x) = P(Z < ( x -  ) / (  / sqrt…

Q: If the population proportion is 0.90 and a sample of size 64 is taken, what is the probability that…

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Q: 13 percent of the patients in a study reported previous episodes of a stroke. Use 13 percent as the…

A: The mean and the standard deviation of the sampling distribution of the sample proportion is,

Q: According to a poll of​ adults, about 40​% work during their summer vacation. Assume that the true…

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Q: A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and…

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Q: A report indicates that 75% of all Parliament members agree with the proposal to lower the voting…

A: we have to find the probability that fewer than 65 Parliament members of 220 disagree with the…

Q: A car insurance company has determined that 9% of all drivers were involved in a car accident last…

A:

Q: What is the probability that a randomly chosen survey respondent is a male or chose "recreation" as…

A: There are totally 200 people are considered in which 96 are males, 62 are recreations, and 23 are…