Assume that when silts with smartphones are randomly selected 37% use them in meetings or class. IF 6 adult smartphone users are randomly selected, find the probability that exactly 4 of them use their smartphones in meetings or classes.

Q: 46% of all violent felons in the prison system are repeat offenders. If 33 violent felons are…

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

Q: In a large population, 50 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Givenp=50%=0.50n=3x=noof people get vaccinatedx~Binomial(n=2,p=0.50)P(X=x)=Cxn px (1-p)n-x    ;…

Q: Suppose three fair coins are tossed and the number of heads that appear is recorded.  What is the…

A: Suppose three fair coins are tossed and the number of heads that appear is recorded.Since the coins…

Q: A poll is given, showing 20% are in favor of a new building project. If 10 people are chosen at…

A: Given data, p=20%=0.20 n=10 P(X=5)=?

Q: In a large population, 54 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given data: 54% of the people have been vaccinated.

Q: A student receives, on average, 7 text messages in a 2-hour period. What is the probability that the…

A: To find the probability

Q: A poll is given, showing 20% are in favor of a new building project. If 2 people are chosen at…

A: Given data,p=20%=0.20n=2P(X=1)=?

Q: A maker of yardsticks has an ink problem that causes the markings to smear on 4% of the yardsticks.…

A: Given information:It is given that N=2,000; n=100; p=0.04 (=4%).The sample proportion is…

Q: ) Find the probability of randomly selecting an ELT and getting one manufactured by the Bryant…

A: Let us define some events A : an ELT is manufactured by Altigauge company. B : an ELT is…

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Solution: Let X be the number of adults say that they were too young when they got their tattoos and…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: We have to find given probability.

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: A poll is given, showing 50% are in favor of a new building project. If 6 people are chosen at…

A: Binomial distribution : In binomial distribution, the number of trials is fixed and the number of…

Q: Assume that the probability of a being bor sample of 1168 volunteers. Find the most likely number of…

A: Solution

Q: A poll is given, showing 20% are in favor of a new building project. If 6 people are chosen at…

A: ( 1 ) Given n =6,p=0.2,p(x=1) =? ( 2) Given n = 8 , p=0.05 , p( x=4 ) =?

Q: A poll is given, showing 55% are in favor of a new building project. If 5 people are chosen at…

A: Given Information: Proportion p=0.55 Sample size n=5 The objective is to find the probability that…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

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

A:

Q: In a large population, 55% of the people have been vaccinated. If 3 people are randomly selected,…

A: Let "X" be the people that have been vaccinated.

Q: Find the probability of randomly selecting 3 students from Utah out of a group of 12 students, 5 of…

A:

Q: A shipment contains 12 igneous, 10 sedimentary, and 10 metamprphice rocks. If 7 rocks are selected…

A: Total number of rocks= 12+10+10=32 Out of 32, 7 rocks can be selected at random in C732 ways. For…

Q: A poll is given, showing 40% are in favor of a new building project. If 10 people are chosen at…

A: We have to find probability..

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

A:

Q: A survey found that one out of five Americans say he or she has visited a doctor in any given month.…

A: From the provided information, Sample size (n) = 10 Probability of Americans who visited a doctor in…

Q: In a small private school, 5 students are randomly selected from 12 available students. What is the…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: If 200 Honda Accords are randomly selected, approximately how many of them will have the braking…

A: Given data,μ=45σ=0.5

Q: Find the probability that a randomly selected student was male given that the student earned a

A:

Q: A poll is given, showing 75% are in favor of a new building project. If 10 people are chosen at…

A:

Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…

A: Given : n = 500 p = 0.62 q = 1 - p  q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Given,n=8p=0.55X=no.of people favor the new building projectX~Binomial (n=8 , p=0.55)P(X=x)=nx px…

Q: A poll is given, showing 35% are in favor of a new building project. If 8 people are chosen at…

A:

Q: At a restaurant, 60% of customers typically order a salad with their meal. What is the experimental…

A: As per given by the question, calculate the experimental probability that the next 4 customer will…

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

A: Given data, p=25%=0.25 n=9 P(X=8)=?

Q: A poll is given, showing 55% are in favor of a new building project. If 10 people are chosen at…

A:

Q: A poll is given, showing 60% are in favor of a new building project. If 9 people are chosen at…

A: Sample sizze, n = 9 The probability that exactly one of them are in favour Here the random variable…

Q: 1) Estimate the probability that a randomly selected household from this area will be a student.…

A: According to the classical definition of probability, the probability of an event is defined as the…

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: A television commercial claims that 1 out of 5 of "today's marriages" begins as an online…

A: A random variable follows the binomial distribution if it satisfies the following conditions. There…

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: Let "X" be the people who are in favor of the new building.

Q: A poll is given, showing 60% are in favor of a new building project. If 8 people are chosen at…

A: Given p =0.6 and n=3   P(X>3)=1-P(X<3)               =1-Cxn px(1-p)n-x…

Q: A poll is given, showing 75% are in favor of a new building project. If 6 people are chosen at…

A: ANS#-> Let the random variable X has binomial distribution  With parameter   n = 6   ,  p = 0.75…

Q: A poll is given, showing 35% are in favor of a new building project. If 9 people are chosen at…

A:

Q: In a small private​ school, 4 students are randomly selected from 14 available students. What is the…

A: Solution: Total number of available students n = 14 r =4

Q: A poll is given, showing 60% are in favor of a new building project. If 9 people are chosen at…

A: According to the given information, we have A poll is given, showing 60% are in favor of a new…

Q: From a group of 4 men and 5 women, a committee of size 3 is to be selected. Find the probability…

A:

Q: (a) If 4 balanced coins are tossed simultaneously (or 1 balanced coin is tossed 4 times), compute…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A poll is given, showing 20% are in favor of a new building project. If 10 people are chosen at…

A: Solution: Let X be the number of people favor the new building project and n be the sample number of…

Q: In a small private school, 5 students are randomly selected from 14 available students. What is the…

A: Given that, 5 students are randomly selected from 14 available students.Here, we can use binomial…