Single Americans In a recent year, about 22% of Americans 17 years and older are single. What is the probability that in a random sample of 220 Americans 17 or older, more than 38 are single? Round the final answer to at least 4 decimal places and intermediate z-value calculations to 2 decimal places. P(X>38) -D

Q: In a certain village sports club, 36 % of members play football, 32 % of members play cricket, and…

A: We have given that,  Probability of members play football P(F) = 36%=0.36, probability member play…

Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

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A: Sample size = 12 Probability = 0.49

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Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

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Q: The probability of flu symptoms for a person not receiving any treatment is 0.023. In a clinical…

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Q: The probability of flu symptoms for a person not receiving any treatment is 0.042. In a clinical…

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Q: Q4: Based on data collected by the National Center for Statistics, an estimate of the percentage of…

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Q: The mean percent of childhood asthma prevalence in 43 cities is 2.06%. A random sample of 34 of…

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Q: -) Company A has 283 employees. What is the probability that Company A will get the discount? (Round…

A: Here Given  Sample size= 283 Employees Proportion of hourly paid workers in a region want the…

Q: Single Americans In a recent year, about 22% of Americans 16 years and older are single. What is the…

A: Given that 22% of Americans 16 years and older are single.  n=sample size=225 p=probability of…

Q: The probability of flu symptoms for a person not receiving any treatment is 0.034. In a clinical…

A: Given, n = 817 p = 0.034

Q: TF.6 The probability of finishing a statistics exam on time is .80. Assuming binomial distribution,…

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Q: Selected Technologies According to recent surveys, 60%  of households have personal computers. If a…

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Q: Marketing analysts have determined that a particular advertising campaign should make at least 20%…

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Q: (4) Battery lifetime is a Normal r.v. with μμ=500 days and σσ=61 days. (a) What is the probability…

A: Mean ( u ) =500Standard Deviation ( sd )=61Normal Distribution = Z= X- u / sd ~ N(0,1)…

Q: Population of College Cities College students often make up a substantial portion of the population…

A: Given,         n=160    Let  P=probability of non college students.          P=1-0.711=0.289…

Q: For next year, 46% of veterans will buy a single-family home. If we pick a random sample of 5…

A: Use TI-84 function, "binompdf(trails, p, x value)" to find the probability.

Q: Suppose that it snows in Greenland an average of once every 21 days, and when it does, glaciers have…

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Q: In studies for a medication, 7 percent of patients gained weight as a side effect. Suppose 652…

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Q: ACT composite scores are normally distributed with µ=21.0 and σ=5.4. A sample of nine students is…

A: Denote X as the ACT composite scores. It is given that X is normally distributed, with mean μ = 21…

Q: Schnitzler syndrome has an incidence rate of 9%. It is found that 92% of people suffering from…

A: Given problem Given that

Q: For next year, 45% of veterans will buy a single-family home. If we pick a random sample of 5…

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Q: The probability of flu symptoms for a person not receiving any treatment is 0.042. In a clinical…

A: Given : n = 906 p = 0.042 Use normal approximation to binomial, X~N(μ=np,σ2=npqi.e…

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A: Statisticians use different probability distributions based on verifications of assumptions to…

Q: Single Americans In a recent year, about  22%of Americans 16 years and older are single. What is…

A: According to the provided information, n = 225  p = 0.22 The mean and standard deviation can be…

Q: Does crime pay? The FBI Standard Survey of Crimes showed that for about 80% of all property crimes…

A: Given,n=9p=0.2q=1-0.2=0.8Let X=no.of crimes will be solvedX~Binomial(n=9 , p=0.2)P(X=x)=9x0.2x0.89-x…

Q: A certain insecticide kills 60%60% of all insects in laboratory experiments. A sample of 1111…

A: Given ,n=11P=60%=0.60PX=5=?

Q: 19. In a recent year, there were 2,515,458 deaths, and 787,650 of them were due to cardiovascular…

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Q: Flaws in a sheet of paper tend to occur randomly and independently at a rate of one every 160 square…

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Q: For next year, 49% of families will go on a vacation. If we pick a random sample of 5 families, find…

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Q: Q2. (a) If a hurricane forms in the eastern half of the Gulf of Mexico, there is a 76 percent chance…

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Q: Seventy percent of adults favor some kind of government control on the prices of medicines. Assume…

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Q: a) Find the probability that at least 0.175 of a random sample of 2,596 US adults respond…

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Q: The population of College Cities College students often make up a substantial portion of the…

A:

Q: The student government claims that 85% of all students favor an increase in student fees to buy…

A: Givenp=0.85n=12Let "x" be the no. students produced in favour of the…

Q: The probability of flu symptoms for a person not receiving any treatment is 0.056. In a clinical…

A: We want to find the probability  P(x≥55)

Q: Residences of U.S. Citizens According to the U.S. Census, 67.5% of the U.S. population were born in…

A: Given, Proportion of US citizens born in their residence p = 0.675 Sample size n = 181

Q: A Food Marketing Institute found that 25% of households spend more than $125 a week on groceries.…

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Q: Wyatt buys a bag of cookies that contains 7 chocolate chip cookies, 8 peanut butter cookies, 7 sugar…

A: Given that: Bag of cookies contains 7 chocolate chip cookies, 8 peanut butter cookies, 7 sugar…

Q: The population mean annual salary for environmental compliance specialists is about $63,500. A…

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

Q: Selected Technologies According to recent surveys, 60% of households have personal computers. If a…

A:

Q: a) Find the probability that at least 0.175 of a random sample of 2,596 US adults respond…

A: It is given that Sample size n = 2596 Phat(p̂) follows N(0.17, 0.007), then Z = (p̂ - 0.17)/0.007…

Q: In a survey of 1170 people, 816 people said they voted in a recent presidential election. Voting…

A: Given : n = 1170 p = 0.67

Q: oilet Flushing In the Healthy Handwashing Survey conducted by Bradley Corporation, it was found that…

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Q: A politician claims that 65% of voters favor reducing the number of troops stationed in Germany.  A…

A: Solution-: Given: (or 65%) We find,

Q: fter a serious crime was committed in a small town: The police are going to take the fingerprints of…

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