The Centers for Disease Control and Prevention reported in 2012 that 1 in 78 American children had been diagnosed with an autism spectrum disorder (ASD). If a random sample of 200 American children is selected, what is the probability that the number of children in the sample who have been diagnosed with ASD is at most 0.5 x (μ- σ)? 0.076 0.924 0.736 0.264

Q: A researcher wants to test the claim of an online article that 78% of Americans eat healthy each…

A:

Q: e blood test used to confirm this diagnosis gives positive results for 94​% of people with the…

A:

Q: It is known that 17% of people ride public transport without paying for it. We talk to 95 people who…

A: We have given that,  p= 0.17 and N= 95  Then,  We will find P( p̂≥0.22) = ?

Q: 25% of a certain breed of rabbits are born with long hair. What is the probability that in a litter…

A: Obtain the probability that in a litter of 8 rabbits exactly 5 will have long hair. The probability…

Q: In a STA215 class there are four students who are sometimes late from class. P(Matt on time)=.9,…

A: Given ,  P(Matt on time)=0.9 P(Zach on time)=0.8 P(Greg on time)=0.6 P(Alex on time)=0.5

Q: t is reported that the market share of iphones is 40%. (i.e. 40% of all cell phones are…

A: Given data, p=40% =0.40 n=50 P(X=22)=?

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

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

A: Where,

Q: survey of 2436 men age 18 and older in 1998 for the commonwealth Fund indicated that more than half…

A: If the prior information is not known, we assume that sample proportion is, Critical value: From…

Q: In the US, 10.5% of the population is diabetic. What is the probability that in a random sample of…

A: Suppose p is the true proportion of diabetic people in the U.S.

Q: A particular blood pressure medication is stated to have a 17% chance of producing a certain side…

A: p=17%, n=25

Q: The Cincinnati Enquirer reported that, in the United States, 60% of adults and 82% of youths ages 12…

A: Let X be a random variable following normal distribution with mean μ and variance σ2, i.e.,…

Q: According to a candy​ company, packages of a certain candy contain ​20% orange candies. Find the…

A: Given p=20%=0.20 n=200

Q: Suppose that 80% of drivers are "careful" and 20% are "reckless." Suppose further that a careful…

A:

Q: Age is a variable that is almost always included in any prospective study. Suppose in one particular…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: A recent study by Allstate Insurance Co. finds that 78% of teenagers have used cell phones while…

A:

Q: A 2020 Pew Research poll found that 65% of U.S. adults believe that President Donald Trump was too…

A: From the provided information,

Q: Note that 5% of the population suffers from a particular disease. There is a diagnostic test to…

A:

Q: Five percent of all credit card holders eventually become delinquent. The probability, rounded to…

A: Given, p = 5% = 0.05 q = 1 - p = 1 - 0.05 = 0.95 n = 19

Q: The Bureau of Labor Statistics reported in a recent year that 5% of employed adults in the United…

A: From the given information we can write that, Proportion of employed adults in the United States who…

Q: Approximately 10% of all people are left-handed. Out of a random sample of 15 people, what is the…

A: We have given that Probability (p) = 0.10sample size (n) = 15

Q: Suppose a large consignment of cell phones contained 11% defectives. If a sample of size 271 is…

A:

Q: The incidence of a certain disease in the population is estimated to be 0.5%. That is, the…

A:

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

A:

Q: The annual average number of times Barron's subscribers take local flights for personal reasons is 4…

A:

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

A:

Q: A study showed that the sex ratio of children born to families in a native community of Ontario…

A: A study showed that the sex ratio of children born to families . Given: A news paper report about…

Q: A telemarketing firm conducts surveys with a 40% historical response rate. What is the probability…

A:

Q: It is known that roughly 2/3 of all human beings have a dominant right foot or eye. Is there also…

A: sample n=136x=85

Q: Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in…

A: Note: If the post contains multiple questions only allow to do first question as per guidelines of…

Q: A study on acohol consumption on college campuses was recently conducted. The authors of the study…

A:

Q: control inspector has drawn a sample of 1515 light bulbs from a recent production lot. Suppose…

A: Answer  Given  P =30%     =30/100    =0.3 sample size [n] =15   P [X=11] =?

Q: According to a survey, only 15% of customers who visited the web site of a major retail store made a…

A:

Q: Suppose the random variable X has a population mean u=20 and a population standard deviation o=9. If…

A:

Q: According to a survey, only 18% of customers who visited the web site of a major retail store made a…

A: We have to find correct answer.....

Q: 33% of a certain breed of rabbits are born with long hair. What is the probability that in a litter…

A: Given that 33% of a certain breed of rabbits are born with long hair. Sample size, n = 8

Q: According to a candy​ company, packages of a certain candy contain 24​% orange candies. Find the…

A: A candy​ company, packages of a certain candy contain 24​% orange candies. That is, p=0.24. The…

Q: probability of an individual not having ebola, given they received a negative test result?

A: Here use tree diagram