what is the probability that a randomly selected person who impoved was given the drug                                                     drug     placebo     control           total   improved         70          55               20              145 not improved   30          45              80              155 would the answer be

Q: A Food Marketing Institute found that 42% of households spend more than $125 a week on groceries.…

A: It was found that 42% of the households spend more than $125 on groceries.That is, the population…

Q: Please answer d and e.

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three…

Q: It has been been found that 1 out of 10 visitors to a museum buys something from a gift shop. If we…

A:

Q: The College Board reports that 2% of the 2 million highschool students who take the SAT each year…

A: Let X be the number of students in the sample needing accommodations Hence, X~Bin(25,0.02) The…

Q: TYPE  Of DOG   Purebred mixed TOTAL Leas than $100 19 21 40 $100 or More 35 15 50 TOTAL 54 36 90…

A:

Q: According to a survey by the Department of Labor and Employment, one-half of Philippine companies…

A:

Q: Eleven percent of American children (ages 4 to 17) have Attention Deficient Hyperactivity Disorder…

A:

Q: A commercial for a manufacturer of household appliances claims that only 3% of all its products…

A: Given: Proportion of the number of products that require a service call within the first year, p =…

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

A: Given Information- p = 0.75 q = 1-0.75 =0.25 n = 100 Here we use Binomial distribution, Binomial…

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

A:

Q: According to a national​ study, 32​% of taxpayers used computer software to do their taxes for a…

A: From the given information, 32​% of taxpayers used computer software to do their taxes for a certain…

Q: The table below shows the results of a survey that asked 2857 people whether they are involved in…

A:

Q: The percentage of adult users of the Internet who use Facebook has increased over time (Pew Research…

A:

Q: A telephone survey conducted by the Maritz Marketing Research company found that 43% of Americans…

A: Comment: As per the our company guideline we are supposed to answer only three subparts. Kindly…

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

A: Givenp=0.75sample size(n)=100Let "x" be the adults do not own a…

Q: A sample of 200 college undergraduates was collected and the student’s gender and method of getting…

A: Given gender drive bike walk total male 95 10 10 115 female 65 5 15 85 total 160 15 25 200…

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

A: Formula : Binomial distribution is given by

Q: What is the probability of randomly selecting a respondent who is female  and uses a taxi? What is…

A:

Q: Based on a​ poll, 61​% of Internet users are more careful about personal information when using a…

A:

Q: A 10 year study conducted by the American Heart Association provided data on how age, blood pressure…

A: Hello thanks for your question. Since you have posted a question with multiple sub-parts, we will…

Q: According to govemment data, the probability that a woman between the ages of 25 and 29 was never…

A:

Q: Whatis the first big change that American drivers made due to higher gas prices? According to an…

A:

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

Q: According to IDC, 70% of smartphones in the world use Google’s Android operating system in the…

A: Given: 70% of smartphones in the world use Google’s Android operating system in the fourth quarter…

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

A: Solution: h. From the given information, the probability of all young adults between the ages of…

Q: The following table shows the results of survey where seniors at a local GCPS high school were asked…

A: This question can be solved using the data from the given table.

Q: What is the first big change that American drivers made due to higher gas prices? According to an…

A: 4) Given data Probability that it is recreational Driving = 0.30 Probability that it is consolidated…

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: The Centers for Disease Control and Prevention reported in 2012 that 1 in 78 American children had…

A: Given : P(ASD) = 1/78 = 0.0128 sample size, n = 200

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: G. What is the probability that a randomly selected person from this study did not use the patch to…

A:

Q: A sample of 200 college undergraduates was collected and the student’s gender and method of getting…

A: The conditional probability for two events "A" and "B" is P(A|B)=P(A∩B)P(B) where P(A|B) denotes…

Q: A commercial for a manufacturer of household appliances claims that only 3% of all its products…

A: As per honor code we will only answer first question. Given information: P(Service call) = 0.03 n =…

Q: The following table shows the numbers of patients classified as underweight, normal weight,…

A: From the given information,

Q: 7.) The Pew Internet and American Life Project reported in 2004 that 55% of current music…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

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

A: The probability of young adults do not owns a landline is, 0.75 The probability of young adults owns…

Q: A local hospital has records of 130 patients who visited the emergency room with a variety of…

A: GivenTotal patients who visited emergency room n(total) = 130number of patients with  high blood…

Q: The table below lists a random sample of 42 speeding tickets on I-25 in Colorado.   0-10 mph over…

A: Obtain the probability that the driver was female. The probability that the driver was female is…

Q: (a) What is the probability that in a randomlý sampled individual, gene 1 is dominant? (b) What is…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Suppose that a box contains five red balls and ten blue balls. If seven balls are selected at random…

A: As per company term and conditions we can answer only one question please  raise another ticket for…

Q: The National Center for Health Statistics reported that of every 1,233 deaths in recent years, 52…

A: Hello. Since your question has multiple, we will solve first question for you. If you want remaining…

Q: It is known that only 20% of college football players are considered as strong candidates for the…

A:

Q: The same issue of The Chronicle for Higher Education Almanac referenced in the previous exercise…

A: Probability is a branch of mathematics or statistics that basically deals with the chances of…

Q: Too Young to Tat Based on a Harris poll, among adults who regret getting tattoos, 20% say that they…

A: It is given that n = 5 and p = 0.20.

Q: USA Today reported that about 20% of all people In the United States are Illiterate. Suppose you…

A: Given that, 20% of all people in US are illiterate and n=11 Let X be the number of illiterate…

Q: A CNN/USA Today/Gallup poll in April 2005 reported that 75% of adult Americans were satisfied with…

A:

Q: A research study uses 800 men under the age of 60. Suppose that 35% carry a marker on the male…

A: as per our guideline we have to solve 1 question per post please upload remaining part separately to…

Q: A random sample of 2072 adults was taken, and they were asked if they prefer watching sports,…

A: Sports Movies News Total Dog 411 328 514 1253 Cat 180 319 320 819 Total 591 647 834 2072

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.