Q8- An American Association of Individual Investors survey found that 23% of AAII members had purchased shares of stock directly through an initial public offering (IPO) (AAII Journal, July 1994). In a sample of 12 AAII members, a. What is the probability that exceed one member has purchased IPOS? b. What is the probability that no more than two members have purchased IPOS?

Q: Fifty-eight percent of American adults eat at a table-service restaurant at least once a week.…

A:

Q: 38. The Institute for Higher Education Policy, a Washington, D.C.-based research firm, studied the…

A: Given information     College Degree       Yes No   Loan Status…

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

A: Given,A fuel company conducts a geologic surveythat has a 20% chance of striking an oil reserve

Q: What is the probability that in a sample of 200 employed adults of age 62 and older, more than 40%…

A: The mean of the sample proportion is, μ=p=0.35 The mean of the sample proportion is 0.35. The…

Q: Fifty-NINE percent of American adults eat at a table-service restaurant at least once a week.…

A: GivenNo.of American adults eat at a table service restuarant =0.59

Q: Provide an appropriate response. The National Association of Realtors estimates that 23% of all…

A: Given information Probability that homes purchased in 2004 considered investment properties(p) =…

Q: 10 The incidence of occupational discase in an industry is such that the workers have a 20% chance…

A:

Q: A survey of 200 college graduates who have been working for at least three years found that 65 owned…

A: We have to use union and intersection of set to find the various probabilities.

Q: Students in a school were surveyed about their study habits. Forty-two percent of students said they…

A: Let weeknight = A and weekends=B P(A∩B) =42100=2150 P(B) =47100 P(A∪B) = 65100=1320 P(A) =? (have to…

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: Data on the 4000 largest mutual funds shows which funds provided a high 5-year return and a high…

A: Consider an event A that defines the number of mutual funds with high 5-year return, and another…

Q: The Dow Jones Industrial Average has reached 27,164 points this week.  An investment advisor…

A: The probability that a stock she recommends is profitable is 0.40, which is fixed. Thus, we have a…

Q: 3. YO-Magic! Bakery receives on average 13 take-out orders of their best-selling cheesecake in one…

A: Given that, YO-Magic! Bakery receives on average 13 take-out orders of their best-selling cheesecake…

Q: A survey of magazine subscribers showed that 45.8% rented a car during the past 12 months for…

A: General Probability Addition Rule: For any two events A and B, the probability of occurrence of A or…

Q: A liquor store owner is willing to cash personal checks for amounts up to $50, but she has become…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

Q: 3. According to a July, 1999, article in the New York Times, venture capitalists had this rule of…

A: Solution

Q: In a Gallop Poll conducted from January 30th - February 2nd, 2008, 43% of 18 - 29-year-olds said…

A: Given,       P=0.43       n=15       X~Binomial n=15, P=0.43       PX=x=nCxPxqn-x;…

Q: 6. In a Gallup Survey, 90% of the people interviewed were unaware that maintaining a healthy weight…

A: We have given that,  X be the random variable from binomial distribution with probability of success…

Q: A survey of magazine subscribers showed that 45.8% rented a car during the past 12 months for…

A: Let A and B are the two events then,  probability of happening events A (or) B defined as shown…

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: Q2. An association of coffee producers has estimated that 50% of adult workers drink coffee at least…

A: Binomial distribution allows us to compute the probability of observing a specified number of events…

Q: (b) In one high school, the athletic director found that 8% of the varsity athletes had concussions…

A: Solution: Let A be the event that the athletes had concussions while playing at the school. P( A)=…

Q: Wi-Fi Based on a poll conducted through the e-edition of  USA Today , 67% of Internet users are more…

A: In this context, the probability that the internet users are more careful about the personal…

Q: According to a study conducted by the a public health school, a child seated in the front seat who…

A: Let the events,A: Airbag deploys during an accident,K: Child is killed.It is given that airbags…

Q: 1990s Internet Stock Boom   According to an article, 19.8% of Internet stocks that entered the…

A:

Q: Based on a USA today poll, assume that 10% of the population believes that the college is no longer…

A: Solution: Let X be the number of people believes that the college is no longer a good investment and…

Q: Do Generation X and Boomers differ in how they use credit cards? A sample of 1,000 Generation X and…

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

Q: In the July 29, 2001, issue of the Journal News (Hamilton, Ohio), Lynn Elber of the Associate Press…

A: Let A be the event that the American families own a television set with a V-chip installed to block…

Q: Harley Davidson, director of quality control for the Kyoto Motor company, is conducting his monthly…

A:

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

A: It is given that 70% of smartphones in the world use Google’s Android operating system . Then , the…

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

Q: A survey of 200 college graduates who have been working for at least three years found that 85 owned…

A:

Q: 3. A recent article in the Journal of Urban Chicken Farmers reported the fraction of chickens that…

A: The distribution:Denote X1, X­2 and X3 as the numbers of chickens out of the n = 18 tested chickens,…

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A:

Q: An airline offers discounted "advance purchase " fares to customers who buy tickets more than 30…

A:

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A:

Q: According to a study conducted by the a public health school, a child seated in the front seat who…

A:

Q: - An American Society of Investors survey found 30% of individual investors have used a discount…

A: 13 Given that 30% of individual investors have used a discount broker. The sample size is 9. Let us…

Q: 21. A survey involving 600 Democrats, 400 Republicans and 200 Independents asked the question: "Do…

A: Let A be the event that the selected person is Democratic. PA=6001200        =0.5 B be the event…

Q: A survey of 200 college graduates who have been working for at least three years found that 65 owned…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: 2) In a Canadian population, 30% of people spend 4 hours or more per day on smartphone; 25% of…

A:

Q: - What is the probability that a product attains a good review? - If a new design attains good…

A: Let us define some events A : a product is highly successful. B : a product is moderately…

Q: According to a study conducted by the a public health school, a child seated in the front seat who…

A: Let C= event that a child was killed B= event that the airbag deployed Given that P(C|B)=1.79P(C|B')…

Q: Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a…

A: As per the guidelines we are allowed to solve maximum of 3 subparts. If you need help with other…

Q: An airline offers discounted "advance purchase " fares to customers who buy tickets more than 30…

A:

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Given  Mean = 5

Q: 2a. What is the probability a salesperson selected at random will have a fair potential for…

A: Probability: The formula for probability of an event E is as follows: P(E) = (number of favorable…

Q: Bicycles for hire at the Durban Beach front are deemed beyond repair when one or both its wheels are…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

Q: for MGMT2021 during the 2021/2022 academic year, what is the probability that this student attended…

A: here from given information , attend the live class  = L attend tutorial  = T

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.