Assume that when adults with smartphones are randomly​ selected, 57​% use them in meetings or classes. If 6 adult smartphone users are randomly​ selected, find the probability that exactly 4 of them use their smartphones in meetings or classes.   The probability is....

Q: When surveyed about what they miss most during the virus outbreak, 31% of students said coming to…

A:

Q: How many people need to attend a party for there to be a > 80% probability that at least two of them…

A: Given information: The probability that at least two of the people share the same birthday is 0.8.

Q: Suppose you select a token at random from the dish above. What is the probability that the token is…

A:

Q: Find the indicated probability. 80% of U.S. drivers over the age of 30 have had a speeding ticket…

A:

Q: ssuming that P(green) = 0.75, what is the probability that among his 580 plants

A: Let, Xi be a random variable. Xi = 1,     if ith pea is green0,       otherwise So, Xi = 1,   with…

Q: A department of commerce enrolls 125 students out of which 50 are girls. If 15 girls and 25 boys of…

A: It is given that, A department of commerce enrols 125 students out of which 50 are girls. It means…

Q: In a shooting game, the probability for Ali to hit a target is , and the probability for Ahmad to…

A: Answer - The probability for Ali to hit a target is   P(A) =  1/2                The probability for…

Q: According to a recent study, 52% of people admitted to running a red light. If 4 people are…

A:

Q: Assume that 12 jurors are randomly selected from a population in which 69% of the people are…

A:

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The general formula for conditional distribution is,

Q: 25 .A poll is given, showing 40% are in favor of a new building project. If 9 people are chosen at…

A: Here 40% are in favor of the new building project. A sample of 9 people is taken. We need to find…

Q: :The probability of an event E is defined as

A: Answer: Probability is a measure of how likely it is for an event to happen. Let E is the event that…

Q: In a survey of 1200 college students living in the dorms, 600 said that they had only a tablet in…

A: Solution

Q: Consider a family with three children. Given that at least one of the children is a boy, whatis the…

A: Solution

Q: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A: According to the given information, we have Probability, p = 70% = 0.70 Sample size, n = 8

Q: The Probability of an event E is defined as

A: We know that the probability of an event is defined as the ratio of the number of times that events…

Q: During July, a car dealership sold 24sedans, 15trucks, 9SUVs, and 6coupes. Based on these…

A:

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: Given info: A survey of 200 people was conducted to see if they smoke.

Q: The employees of a company were surveyed on questions regarding their education background (college…

A: From given data,   College Degree No College Degree Total Single 120 80 200 Married 180 120…

Q: 45% of the population has Type o blood.  Find the probability that exactly 6 people in a group of 10…

A: The binomial probability rule states that the probability of (x) success and (n-x) failures in (n)…

Q: f there are 19 people in a room, and 1 of them are wearing blue shirts, what is the probability that…

A:

Q: When looking at the association between the events “owns a car” and “owns a pet,” if the events are…

A: Proceed as shown below...

Q: B. 80% of people who have sports cars are men, if 10 sports car owners are randomly selected, find…

A:

Q: A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Given data:     The percentage of the population owns an automobile is: P(A)=40% The percentage of…

Q: A survey of 1000 students found that 41% of the surveyed students were freshmen, 31% were juniors,…

A: Given that 1000 students were surveyed.

Q: Of 100 job applicants to the United Nations, 20 speak French, 30 speak German, and 14 speak both…

A:

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A:

Q: Let A be the event of rolling a die and getting 6, and let B be the event of tossing a coin and…

A: The events are given by A : getting a 6 on rolling a die. B : getting a head on tossing a coin.

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Let X be the random variable from binomial distribution with probability (p)= 11% = 0.11 and sample…

Q: A recent survey found that 65% of all adults over 50 wear glasses for driving. In a random sample of…

A:

Q: Of the last 230 new hires at a company, 220 had college degrees and 140 had prior experience. Only…

A:

Q: A salesperson has found that the probability of a sale on a single contact is approximately 0.03. If…

A: Ans : The probability that a sales person sales on a single contact is 0.03 .  Let p be the…

Q: A financial services committee had 60 members, of which 9 were women.  If 8 members are selected at…

A: Given, 8 members are selected at random from a committee of 60 members, then the total number ways…

Q: Consider a family with three children. Given that at least one of the children is a boy, what is the…

A: Given,a family has 3 childrenthe probability of having a boy is 0.5and  the gender of the second…

Q: How many people need to attend a party for there to be a > 80% probability that at least two of them…

A: Given information: The probability that at least two of the people share the same birthday is 0.8.

Q: In a group of 500 women, 120 have played golf at least once. Suppose one of these 500 women is…

A:

Q: A poll is given, showing 65% are in favor of a new building project. If 8 people are chosen at ndom,…

A: Define the random variable x as the number of individuals in favor of a new building project. Here,…

Q: Assume that Jim, Bruce, and Valerie are three of the 35 members of the​ class, and that three of the…

A: We have to find out given probability . ..

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

A:

Q: If 30% of all dogs in a city have brown hair. In a sample of 500 dogs, what is the probability that…

A:

Q: : Suppose that 1 in every 6 Jordanian has private medical insurance. If 15 Jordanian were selected,…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: If 60% of all women are employed outside the home, find the probability that in a sample of 20…

A: Given,         n=20         P= 0.60         q=1-p=1-0.60=0.40       PX=x=nCx Px1-Pn-1;…

Q: Find the indicated probability. Nonsmoker Occasional Smoker Regular Smoker Нeavy Smoker Total Men…

A: Given data,   P(Man or heavy smoker)=?

Q: A random sample of 250 working adults found that 74% access the Internet at work, 88% access the…

A: a.

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: n=350, p=35%,  X~Bin(n=350, p=0.35) P(X≥100)=?

Q: A survey revealed that 36% of people are entertained by reading books, 32% are entertained by…

A:

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: Given that  p=35%=0.35 , q=1-p=1-0.35=0.65 n=350 Note: According to bartleby experts question…

Q: In a sample of college students, 100 live on campus, 60 live with family off campus, and 40 live in…

A: We have given that 100 students live on campus. Number of students live off campus is 60+40=100…

Q: In a group of n people, (a) what is the probability that two or more persons will have the same…

A: In a group of n people, We need to find the probabilities:- a). Two or more persons will have the…

Q: The employees of a company were surveyed on questions regarding their educational background…

A: It is an important part of statistics. It is widely used.