If a person is chosen at random, what is the probability that he or she does not smoke? (round your answer to 2 decimal places)

Q: In a recent study nationwide, it was found that 41% of people own dogs. If you pick two people at…

A: Given that  It was found that 41% of people own dogs. P(Dog) = 41% = 0.41   We know that…

Q: on an uninfected person. What is the probability that a randomly tested person from this area will…

A: given that

Q: A statistician calculates that 8%8% of Americans own a Rolls Royce.   If the statistician is…

A: It is known that, the mean of the sampling distribution of p-hat is equal to the population…

Q: Hospital records show that of patients suffering from a certain disease, 35% die of it. What is the…

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Q: The incidence of occupational disease in an industry is such that the workmen have a 20% chance of…

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Q: A history class is comprised of 4 female and 8 male students. If the instructor of the class…

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Q: Suppose the probability of having a boy or a girl is equally likely.  In 6 births, what is the…

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Q: You may need to use the appropriate appendix table or technology to answer this question. In a large…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A pharmaceutical company claims that 20% of those taking its new allergy medication will experience…

A: Of the people who take the new allergy medication of the company, p = 20% will experience…

Q: If the probability of a machine producing a defective part is 0.05, what is the probability of…

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Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

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Q: A financial talk show host claims to have a 63 % success rate in his investment recommendations. You…

A: here given , A financial talk show host claims to have a 63 % success rate in his investment…

Q: A researcher believes that 4%4% of females smoke cigarettes. If the researcher is correct, what is…

A: Where,

Q: More than a decade ago, high levels of lead in the blood put 81% of children at risk. A concerted…

A: Given: For More than a decade ago, p= 0.81 For Now, p= 0.12

Q: In a recent poll, 13% of all respondents said that they were afraid of heights. Suppose this…

A: Given : In a recent poll, 13% of all respondents said that they were afraid of heights.  p = 0.13

Q: Last week, a flower delivery business conducted a survey on customer happiness. They found that 51%…

A:

Q: A researcher believes that 7% of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Given, p=0.07 1-p = 1-0.07 =0.93 n=538

Q: A survey by the American Automobile Association (AAA) revealed 60 percent of its members made…

A: Let p be the probability that a person had made airline reservation last year. Then, p=0.6.

Q: If 15% of adults in a certain country work from home what is the probability that fewer than 30 out…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A statistician calculates that 7% of Americans are vegetarians. If the statistician is correct,…

A: From the given information, Consider population proportion be p = 0.07 Sample size (n) =403 The…

Q: A new brand of drug-free nasal strip claims to be 90% effective in relieving nasal congestion to…

A: From the given information the probability of success is 0.9

Q: If 15% of adults in a certain country work from home, what is the probability that fewer than 48 out…

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Q: It is known that 70% of adult workers have a high school diploma.  If a random sample of 25 adult…

A: Here 70% of adult workers have high school diploma. From them a random sample of 25 adult workers is…

Q: The director of a health club conducted a survey and found that 23% of members used only the pool…

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Q: A fuel company conducts a geologic survey, that has a 20% chance of striking an oil reserve. What is…

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: If 15% of adults in a certain country work from home, what is the probability that fewer than 60 out…

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Q: According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

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Q: A textile manufacturing process finds that on average, two flaws occur per every 50 yards of…

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Q: What is the probability that 8 out of 12 customers will see dramatic results? What is the…

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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 survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

Q: What is the probability of exactly one flaws in a 110-yard piece of material? Note: Do not round…

A: Given, Let the number of flaws per every 110 yards of material produced be represented by the random…

Q: A survey was conducted to determine the proportion of Grade 11 students who engage in under-age…

A: We have given that p = 0.70 n = 100 We have to calculate  P(x> 0.65)

Q: More than a decade ago, high levels of lead in the blood put 80% of children at risk. A concerted…

A: Given : Sample size = n = 202

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: Ten percent of people in Western countries consider themselves lucky. If 3 people are selected at…

A: Given, It is an example of binomial distribution with parameters n = 3,p =0.1    A probability mass…

Q: According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are planted,…

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Q: According to a study on teenage shopping behavior, it was found that 74% of female teens regularly…

A: Answer: Given that: p= 0.74 , n= 6 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 11 seeds are planted,…

A: Solution Given: Sample size (n) = 11 p (don't grow into a healthy plant) = 1- p (grow into a healthy…

Q: An urn contains 10 white ball and 7 green balls. If Sam chooses 11 balls at random from the urn ,…

A:

Q: A tax specialist has estimated the probability that a tax return selected at random will be audited…

A: Given that P(audited)=0.06P(additional assessments | audited)=0.50

Q: According to a study conducted by a statistical organization the proportion of Americans were…

A: The conditions for normal approximation to the binomial distribution are given below:   np≥5…

Q: A psychiatrist believes that 80% of all people who visit doctors have psychosomatic problems. She…

A: Let p be the probability that a person who visits doctors has psychosomatic problem. Given that p =…

Q: A box contains 15 green marbles and 16 white marbles. If the first marble chosen was a white marble,…

A: Solution: From the given information, a box contains 15 green marbles and 16 white marbles. Total…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Let x be number of plants don’t grow. Here x follows binomial distribution with parameters n = 7 and…

Q: cording to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with…

A: Given data,  the percentage of boys who are diagnosed with autism by the age of 8 is 2.7%.…

Q: Data from a large national study reports that 10% of pregnant women deliver prematurely.  A local…

A:

Q: A researcher believes that 8 % of pet dogs in Europe are Labradors. If the researcher is right, what…

A: Where,

Q: What is the probability that a non-infected person contracts mumps after 10 brief encounters with…

A: Since , P(contracting mumps from an infected person from even a brief encounter)=0.10 Our aim is to…