In the 2010 US Census, we learn that 13% of all people in the US are 65 years old or older. If we take a random sample of 9 people, what is the probability that 3 of them are 65 or older? What is the probability that 4 of them are 65 or older? Round your answers to three decimal places. P(X = 3) = P(X = 4) =

Q: employees in an office wear eyeglasses. 33 have single-vision correction, and 8 wear bifocals. If…

A: From the given information, Total number of employees = 41 Number of employees with single vision…

Q: A lottery game costs $3 to play and the probability of winning is 0.0022. If you get $99 with a…

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Q: the in a large town (voting population over 100,000). An exit poll of 200 voters finds that 104…

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Q: In a certain year, 27.1% of all light vehicles were light trucks, 27.1% were SUVs, and 45.8% were…

A: Let L denotes light truck, S denotes SUV, C denotes Car and A denotes accident.

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 126 randomly selected…

A:

Q: Ruby has a bird feeder which is visited by an average of 13 birds every 2 hours during daylight…

A:

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

A: Givensample size(n)=4The probability that case is never solved=80%The probability for the case is…

Q: The table below shows the predicted testing outcome for a disease that affects 2% of a population,…

A: Given,   Positive Test Negative Test Total Has Disease 18 2 20 Does Not Have Disease 98 882…

Q: television program reported that the U.S. (annual) birth rate is about 22 per 1000 people, and the…

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Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: You purchase boxes of cereal until you obtain one with the collector's toy you want. If, on average,…

A: given that an average, a toy is getting in every the 22nd cereal box. Consider that n is defined as…

Q: A physics student has a 25% chance of passing their physics final. If 148 randomly selected physics…

A: (d)   Obtain the probability that exactly 32 of them pass their physics final.   The probability…

Q: In 2017, a website reported that only 10% of surplus food is being recovered in the food-service and…

A: Given n=545 p=0.10

Q: (a) What is the probability that none of the crimes will ever be solved? (Round your answer to three…

A: Here AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS The FBI Standard Survey of Crimes showed that…

Q: Based on her numbers, what is the probability that customer selected at random is a woman and she…

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Q: A dog allergy test for people has a 98% accuracy rate. Only 1% of the population has an allergy to…

A: It is given that the dog allergy test for people has a 98% accuracy rate and only 1% of the…

Q: What is the probability that the drug will wear off in less than 200 minutes? 1. What is the…

A: We have given that The drug is normally distributed with mean 240 and standard deviation 40.

Q: In the New York State Numbers lottery, you pay $1 and can bet that the sum of the numbers that come…

A: We are given the following in the question: P(winning) = 0.075 Thus, P(Loosing) = 1 - 0.075 = 0.925…

Q: Given a binomial probability distribution in which the probability of success is 0.80 and n = 10,…

A: The probability mass function of the binomial distribution is as follows: P(X=x) = nCxpx(1-p)n-x…

Q: &Moving to another question will save this response. estion 4 In a binomial distribution where…

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Q: In a certain year, 27.6% of all light vehicles were light trucks, 27.6% were SUVs, and 44.8% were…

A: The probability that the victim of a deadly side-impact accident was driving an SUV is obtained…

Q: Job satisfaction: In a poll, 422 out of 1611 people said that their main satisfaction in life comes…

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Q: Market-share-analysis company Net Applications monitors and reports on Internet browser usage.…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Please re-post last part…

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

A: Let X be the random variable that number of the crimes will ever be solved. Here we have given the…

Q: a) what is the probability that the sample will include more than 15% African Americans?   b) below…

A: a) The US population is 13% African American, an simple random sample of 500 Americans are…

Q: (c) Repeat part (b) for a community of 750 people.(round your answers four decimal places) P(5…

A: Given: birth rate is about 16 per 1000 people death rate is about 13 per 1000 people. P( birth) =…

Q: d) What is the probability that exactly 213 of them did not get the flu? Round final answer to 4…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: Holiday Depression. According to the Opinion Research Corporation, 44% of U.S. women suffer from…

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Q: If records indicate that 14 houses out of 1000 are expected to be damaged by fire in any year, what…

A: Let us denote X= number of damaged houses Given that the probability of a damaged house= 14/1000 =…

Q: 5.50 What is the probability that we observe exactly 29 alcoholics with cirrhosis of the liver who…

A: 5.50) Obtain the probability that one observes exactly 29 alcoholics with cirrhosis of the liver…

Q: College GraduatesFrom the 2010 US Census, we learn that 27.5% of US adults have graduated from…

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Q: Part 1 of 3 (a) What is the probability that an asthma patient is between 18 and 44 years old? The…

A: It is given that  Total number of patients = 409689 Number of patients between 18 and 44 years old =…

Q: In a product liability case, a company can settle out of court for a loss of $350,000, or go to…

A: Let X denotes the loss to the company. The probability of not guilty verdict is, Pnot guilty…

Q: 1) If 6 bottles are randomly selected, what is the probability that this results in two bottles of…

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Q: In a certain year, 28.9% of all light vehicles were light trucks, 28.9% were SUVS, and 42.2% were…

A: Let us denote L=light truck , S=SUV, C=car, D=side impact crash will prove deadly to a driverGiven…

Q: A door delivery florist wishes to estimate the proportion of people in his city that will purchase…

A: Given: p=0.06n=420

Q: The probability that a statistics graduate from a Canadian university gets a data science job is…

A: Given that  Number of trials n=10 Success of probability p=0.6 X~Binomial ( n,p) Probability mass…

Q: Question Number 02:…

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Q: (c) Given that at least one of the two projects is successful, what is the probability that only the…

A: It is given that P(A)=0.5 and P(B)=0.3.

Q: In a poll, 461 out of 1939 people said that they checked their email multiple times per day. What is…

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Q: Box A contains seven white marbles and three black marbles. Box B contains four white marbles and…

A: The probability of selecting a white marble from Box A is, P(W)=7/10The Box B consists of four white…

Q: You are performing a cohort study. (i) If the probability of developing the disease in the exposed…

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Q: City crime records show that 40% of all crimes are violent and 60% are nonviolent, involving theft,…

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Q: recent survey revealed that 37 % of College students exercise regularly. If 5 College students are…

A: From the given information we find the probability.

Q: According to geologists, the San Francisco Bay Area experiences five earthquakes with a magnitude of…

A: Let X denote the number of earthquakes with a magnitude of 6.5 or greater striking San Francisco Bay…

Q: Because of the continued successful implementation of an urban renewal program, it is expected that…

A: Given data: 6% of the population move to the suburbs 7 % of the population move to the city

Q: A geologist has collected 19 specimens of basaltic rock and 19 specimens of granite. The geologist…

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Q: USA Today reported that approximately 25% of all state prison inmates released on parole become…

A: The probability distribution of X is given below:

Q: It has been estimated that only about 30% of California residents have adequate earthquake supplies.…

A: Given that, It has been estimated that only about 30% of California residents have adequate…

Q: When playing the game Clash of ClansM, RedArmy6 has earned 3 stars during 9 of her last 65 war…

A: Suppose a random experiment E is repeated n times under same essential conditions and an even A,…

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.