Assume that 1 adults with smartphones are randomly selected 51% use them in meetings or classes percent use them in meetings or classes if 7 adult smartphone users are randomly selected find the probability there's a randomly selected find the probability that exactly 4 of them use or smartphones in meetings or classes

Q: A box contains 2 white, 3 blue and 4 red balls. If 3 balls are selected at random find the…

A: Given that: A box contains 2 white, 3 blue and 4 red balls. Total number of balls = 9.

Q: Determine the probability that there will be 3 red marbles

A: Given that Number of red marbles = 10 Number of white marbles = 8 Total = 10 + 8 = 18 Number of…

Q: Find the probability that at most 2 heads occured when 5 fair coins are tossed. The probability…

A: The number of outcomes when tossing a coin is 2. They are head and tail.

Q: A group of 40 women and 40 men are in a room. A committee of 15 is chosen at random. Find the…

A: Obtain the probability that the committee consists only of women. The probability that the committee…

Q: there are 55 students in the class 25 from country India  20 from U S and remain from Rassia  one…

A: The probability in the statistical model is the chance of occurrence of observations can involve in…

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A:

Q: A person wrote n letters, sealed them in envelopes and wrote the different addresses randomly on…

A:

Q: Find the probability that when a couple had six children, at least one of them is a boy. (Assume…

A:

Q: Find the probability that when a couple has five children, at least one of them is a boy. (Assume…

A: Given information- We have given that a couple has 5 children. We have to find the probability that…

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A: Given: p =0.46 n = 5 The formula of the binomial distribution  is, The probability that at least 3…

Q: Assume that when adults with smartphones are randomly​ selected, 45​% use them in meetings or…

A:

Q: 9-member committee is selected from 8 men and 10 women. a)Find the probability that the selected…

A: I am going to solve the given problem by using some simple calculus to get the required result.

Q: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

Q: Assume that when adults with smartphones are randomly​ selected, 62​% use them in meetings or…

A: Let p = probability of success, implies p = probability individual uses smartphone in meetings or…

Q: Of the cartons produced by a company, 9% have a puncture, 7% have a smashed corner, and 0.9% have…

A: From the given information we find the probability.

Q: Let's suppose that 15% of Smith High School student drivers are involved in accidents each year. Ten…

A:

Q: uppose a jar contains 12 red marbles and 36 blue marbles. If you reach in the jar and pull out 2…

A: Solution: Given information: Red marbles = 12 Blue marbles = 36 Total marbles = 12+36 Total marbles…

Q: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 61​% use them in meetings or…

A: Given Assume that when adults with smartphones are randomly​ selected, 61​% use them in meetings or…

Q: A bag contain 9 white and 1 black ball .3 of them are taken out a time from the bag .Find…

A: Given, A bag contains 9 white and 1 black ball . 3 of them are taken out a time from the bag . The…

Q: Assume that when adults with smartphones are randomly​ selected, 51​% use them in meetings or…

A: Let "X" be adults who use their smartphones in meetings or classes.

Q: A hotel has 5 elevators. One of them is a freight elevator. When pressing the button, one of the…

A: We have to find given probability.

Q: Assume that when adults with smartphones are randomly​ selected, 55​% use them in meetings or…

A: Given Information: 55% of adults use their smartphones in meetings or classes. i.e., p=0.55 If n=11…

Q: Identify the probability.  Assume that when adults with smartphones are randomly​ selected, 44​%…

A:

Q: Of the cartons produced by a company, 3% have a puncture, 7% have a smashed corner, and 0.9% have…

A:

Q: Jack is a randomly selected member of a large group in which 2% are drug users. Jack tests positive…

A: Let us define some events A : Jack uses drug. B : Jack does not use drug. E : Jack tests positive.…

Q: Twelve people enter the elevator on the ground floor of Van Vleck Hall. Each person picks one of the…

A: Given that twelve people enter the elevator on the ground floor of Van Vleck Hall. Each person picks…

Q: there are 50 students in the class 25 from country India 20 from U S and remain from Rassia…

A:

Q: Find the probability that when a couple has five ​children, at least one of them is a boy. ​(Assume…

A: Sample size, n = 5  Probability,  p = 0.50

Q: Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or…

A: Let X be the random variable from binomial distribution with probability (p)=48% = 0.48 and sample…

Q: 42 students, there were 11 men and 31 women. Six of the men and seven of the women received an A.…

A: The probability can be calculated as: Probability = Number of favorable outcomes/ Total number of…

Q: 3 cards are drawn at random from an ordinary deck of 52 cards. Determine the probability that all 3…

A: GivenTotal no.of cards in a deck =52No.of heart cards in a deck=13

Q: Five marbles are to be chosen at random from 8 red marbles and 5 yellow marbles. Find the…

A: There are 8 red marbles and 5 yellow marbles. Five marbles to be chosen at random. We find the…

Q: A physics class has 40 students. Of these, 16 students are physics majors and 14 students are…

A: Given that  Total students=40 Physic majors=16 Female=12 Physic majors and Female=4

Q: A bag contains 4 red apples and 5 yellow apples. 3 apples are selected at random. Find the…

A: Given that a bag contains 4 red apples and 5 yellow apples. 3 apples are selected at random. Total…

Q: A box contains 8 green balls and 6 red balls. Five balls that is are selected at random, find the…

A:

Q: Assume that 50% of all engineering students are good in Mathematics. Determine the probability that…

A: Given: Probability that students are good in math, p=0.5 Total no. of students, n=18

Q: A bag contains 10 red marbles, 5 white marbles, and 6 blue marbles. You draw 5 marbles out at…

A: Given, Red marbles = 10                 White marbles = 5             & Blue marbles = 6…

Q: 13. uppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: There are 8+22 = 30 marbles all total. Now, 2 marbles can be selected from these 30 marbles in 302…

Q: Assume that when adults with smartphones are randomly​ selected,45 ​% use them in meetings or…

A: We have given that the random variable X i.e. smartphone follows a Binomial distribution with…

Q: A class has 30 students. If there are 20 boys and two students are selected at random calculate the…

A: From the provided information, Total students = 30 Total boys = 20

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A: From the given information, Sample proportion (p) = 0.37 Sample size (n) = 15 Thus, the required…

Q: At a college, 82 % of courses have final exams and 47 % of courses require research papers. Suppose…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 36​% use them in meetings or…

A: Let "X" be adults who use their smartphones in meetings or classes.

Q: The probability that a child will like a new flavor of ice cream is 0.72. In a group of nine…

A:

Q: Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes.…

A: Given that the adults with smartphones are randomly selected, 51% use them in meetings or classes.…

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.