Privacy is a concern for many users of the internet. One survey showed that 62% of internet users are somewhat concerned about their confidentiality in their email. A random sample of 9 people is taken. Use thus information to find the following.  a) The probability that all people sampled are somewhat concerned about confidentiality of their email. b) The probability that 4 or fewer people sampled are somewhat concerned about confidentiality of their email.  c) The probability that exactly 7 people sampled are somewhat concerened about confidentiality of their email.  d) The probability that between 2 and 5 of the people are somewhat concerned about confidentiality of their email.

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: A study indicates that 73% of cars have have satellite radio. You randomly sample 8 cars. Find the…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: A certain math conference has 9825 attendees.  Of these individuals, 5668 are college professors,…

A: Total no. of attendees in a math conference=9825of these individualsno. of college…

Q: Our class is creating a new academic team, the Data Managers. The team will have 4 members to…

A: Given that: Team = 4 members  Class want to be on the team  = 10 We pick a random out of 10

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: In Mr. M's chemistry class the probability that a randomly selected student earned an a on the…

A: From the Given Data: n( Got an A and did not attend tutorial)=12-16=4   Attended Tutorial Did not…

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: Suppose that the probability that a child living in an urban area in the United States is obese is…

A: From the given information p = 0.20 and n = 15.

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: According to a study by a road safety interest group, the probability that speeding is a cause of a…

A: We have to find given probability.

Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Explain what is wrong with the following statements. Use complete sentences. a. If there is a 60%…

A: The probability shows how likely an event occurs.

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: Question 32. There are 8 socks in your drawer: 4 black and 4 red. You take 3 of them with you in the…

A: Hi! Thank you for the question As per the honor code, We’ll answer the one question since the exact…

Q: If the probability of a student taking a strength training gym class is 0.90, the probability of…

A: Additive rule of probability , P( A or B ) = P(A) + P(B) - P( A and B )

Q: According to a survey, 78% of the students at Delta own a calculator. A group of 18 students is…

A: The probability that a student at DElta owns a calculator: p = 0.78   To find: When a group of 18…

Q: If the probability of a student taking a strength training gym class is 0.90, the probability of…

A: Given, The probability of a student taking a strength training gym class(P(A))=0.90 The probability…

Q: The National Coffee Association reports that among individuals in the 45 to 55 age, 70% drink…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

A:

Q: Suppose that the probability that a child living in an urban area in the United States is obese is…

A:

Q: Privacy is a concern for many users of the internet. One survey showed that 62.5% of internet users…

A:

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: According to Wealth committee data, 0.4% of people have anemia. One thousand people are randomly…

A: Given that  p=0.4%=0.004 , n=1000

Q: Suppose that 37% of people own dogs. If you pick two people at random, what is the probability that…

A: From the given information, it is clear that   The probability that people owns the dog=0.37.…

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: Suppose that 47% of people own dogs. If you pick two people at random, what is the probability that…

A: We have given that Probability (p) = 0.35number of sample (n) = 2 Here we will use binomial…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: If you know that 30 percent of all high school graduates go to college. From 20 graduates selected…

A: We have to find given probability.

Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: One survey showed that 59% of Internet users are somewhat concerned about the confidentiality of…

A: From the given information we find the probability.

Q: An insurance company reported that 75% of adults stated they are distracted by their smart phone…

A: Number of trail n=8Probability of success p=0.75X~Bin(n,p)

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.