A committee of 4 is to be randomly selected from 8 women and 10 men. What is the expected number of men selected? O 2.5 O 2.22 2.08 1.78

Q: A- Explain the following • Random Experiments. • The Variance of data. Bayes' Theorem.

A: 1. Random Experiments: A Random Experiment is an experiment, trial, or observation that can be…

Q: What is the probability of spinning a number divisible by 3?

A:

Q: Consider a political discussion group consisting of 4 Democrats, 7 Republicans, and 3 Independents.…

A: GivenNo.of Democrats=4No.of Republicans=7No.of Independents=3Total no.of members = 14

Q: An unfair coin is tossed 14 times.  This coin comes up heads 70% of the time and tails 30% of the…

A: Probability of getting one tail = 0.30  Number of observations = 14 Let, X= number of tails  So, X…

Q: In a particular bag of skittles, there are 9 red, 9 orange, 10 green, 12 yellow, and 15 purple…

A: The given information is:The number of red Skittles are The number of orange Skittles is The number…

Q: In Lotto 649, you must select 6 numbers from 1-49. Calculate the following: 1. The probability that…

A: Given In Lotto 649, you must select 6 numbers from 1-49.

Q: Suppose you have 10 tennis balls and you randomly pick some number of them. What is the probability…

A: Given the event that there are 10 tennis balls and one randomly pick some number of them.

Q: A large collection of one-digit random numbers should have about 50% odd and 50% even digits because…

A: Proportion is calculated using the combined value of favorable observation and the sample size.…

Q: Stress at work:  In a poll conducted by the General Social Survey, 81% of respondents said that…

A: Method : By using Binomial distribution

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: What is the probability that at least 3 of them are met? Select one: a. 0.92 b. 1 c. 0.5 d.…

A:

Q: 14. How many different arrangements are there of all the letters in the word PINEAPPLE? a. 362 880…

A:

Q: What is the probability of drawing a black 3, replacing it, then drawing a 3?

A: There are 2 black 3s. And total 4 threes.  So we can draw the first black 3 in 2 ways. After…

Q: A circular spinner is divided into 14 sectors of equal area. There are 5 red sectors, 3 blue, 4…

A: 5-red3-blue4- yellow2-green14- total sectors

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: 22 tiles with the letters A through V are placed face down on a table and mixed. Five tiles are…

A:

Q: There are 28 chocolates in a box, all identically shaped. There 5 are filled with nuts, 13 with…

A: Given: Total number of chocolate=28 no of filled nuts chocolate=5 no of filled cramel chocolate=13…

Q: One card is randomly drawn from a standard deck of 52 cards as shown in the figure belowUsing the…

A: the sample space with 52 digits cards includes with,13 spades13 clubs13 hearts13 diamonds

Q: A jar contains 10 red marbles numbered 1 to 10 and 12 blue marbles numbered 1 to 12. A marble is…

A:

Q: Five fair coins are tossed. Find the expected number of heads. whats the fraction?

A:

Q: 970 people phoned customer support for help with their internet connection. Technicians were not…

A: We have given that 970 people phoned customer support for help with their internet connection.…

Q: A package contains 2 Yellow candies, 5 Green candies, 1 Purple candy, and 3 Red candies. What is the…

A: Given,no.of yellow candies=2no.of green candies=5no.of purple candies=1no.of red candies=3Total…

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

A: We have to find given probability..

Q: Mike has 5 sweaters and 7 hoodies in one of his dresser drawers. He reaches in the drawer without…

A: Answer: 2.5

Q: A box contains 6 red and 2 green marbles. Two marbles are randomly selected trom the box, without…

A: We know that if X takes values xi with probabilities pi , then  expected value  of X is given by:…

Q: Construct the sample space for rolling a 3-sided die twice. The die contains the numbers from 1 to…

A: Solution: Suppose two 3-sided dice are rolled. Then, the sample space is Number of elements in the…

Q: Describe the types of probability samples and discuss under which conditions they may be the most…

A: Solution-: Describe the types of probability samples and discuss under which conditions they may be…

Q: Assume that when adults with smartphones are randomly​ selected, 41% use them in meetings or…

A: It is given that the random variable X i.e, smartphones in meetings or classes follows Binomial…

Q: An article contains 1303 words. The frequencies of words with various lengths are given in the…

A: The question is about probability Given :

Q: Number of Girls x P(x) 0.003 1 0.011 0.118 3 0.203 4 0.330 0.203 6 0.118 7 0.011 8 0.003

A: Defined: