In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of the juniors are males. If a student is selected at random, how many ways can a junior or a senior student be selected?

Q: Which of the following is the best way of selecting a random sample from students at King Middle…

A: If we select every student from one grade, then we will not know about the other grades. So this…

Q: In the experiment of rolling two red and black dice at once, find the following: 1. Find the sample…

A: 1. Rolling two fair dice (Red and Black) having the following outcomes : S={1,1; 1,2; 1,3; 1,4;…

Q: A question is asked of a class of 2700 freshman, and 25% of the students know the correct answer. If…

A: Given Data population proportion,p = 0.25 sample size n = 81

Q: This problem involves a sample space S with two events, E and F. Assume that Pr[E]=17/30,…

A: Result used:

Q: A manufacturing company has 5 vice presidents: Andrew, Beth, Charles, Diane, and Eric. Their…

A: Given Information: The 10 possible samples of size 2 without replacement are: (Andrew, Beth),…

Q: How many possible combinations can be drawn from a population of 16 with sample size of 3?*…

A: We have given that,  How many possible combinations can be drawn from a population of 16 with sample…

Q: Amarble is selected at random from a jar containing 2 red marbles, 3 yellow marbles, and 4 green…

A: GivenA jar containsNo.of red marbles=2No.of yellow marbles = 3No.of green marbles = 4Total no.of…

Q: A random sample is one in which

A:

Q: In a certain town, 25% of the students failed math, 15% failed chem and 10% failed both math and…

A: Hi there! Thanks for the question, since there are multiple questions we have solved the second…

Q: A B C Total Male 12 20 16 48 Female 4 15 6. 25 Total 16 35 22 If one student is chosen at random

A: Given:   A B C Total Male 12 20 16 48 Female 4 15 6 25 Total 16 35 22 73 One student is…

Q: In an 8 question multiple-choice test, each question has 5 choices and only one of those choices is…

A: Given that X=the number of correct answers There are total 8 questions.

Q: A sample space consists of 4 simple events: A,B,C,D. Which events compromise the complement of A?…

A: Sample space(S) = {A,B,C,D} … 4 EVENTS AC = {B,C,D} S can be written as S = {A, AC} … 2 EVENTS

Q: A shipment of 150 laptops contains 9 defective laptops. A quality control specialist chooses a…

A: Given,no.of defective laptops=9no.of non defective laptops=141total no.of laptops=150

Q: A group of 50 teachers and school administrators attended a convention. If any two persons are…

A: Solution: Let x be the number of teachers.

Q: In a large university, 56% of the undergraduate studentsare female, as are 42% of the graduate…

A:

Q: If the outcome of event A is not affected by event B, then events A and B are said to be* 2.

A: Answer: If the outcome of event A is not affected by event B, then events A and B are said to be…

Q: 3. A speaker is talking about the principle of charity, and suggests that a person who is truly…

A: Given that, A speaker is talking about the principle of charity, and suggests that a person who is…

Q: .) My statistics class roster has 19 Ms., 2 Mrs., and 11 Mr. students. If I select one student at…

A: From the given information we find the probability.

Q: The name of each contestant is written on a separate card, the cards are placed in a bag, and three…

A:

Q: According to a​ report, 65.3​%of murders are committed with a firearm. ​(a) If 100 murders are…

A: Given information- We have given that-  65.3​%of murders are committed with a firearm So, the…

Q: In how many ways can she fill the four positions if; a. the selection is random? b. two out of the…

A: It is given that Total persons = 10 Number of woman = 4 Number of man = 6

Q: hot dog. If 150 customers enter the Quickie Mart today, how likely is it that the store sells al of…

A:

Q: If you are told that, in general, 55% of all mice exhibit a particular behavior, and you take a…

A: The z test are used to measure the population and sample significance. It used to test the mean…

Q: In the entire group of first-year statistics students, half own a calculator (h), and the rest don’t…

A: Given: students who half own a calculator be h The students who don't own a calculator be d

Q: According to a​ report, 61.3​% of murders are committed with a firearm. ​(a) If 400 murders are…

A: (a) If 400 murders are randomly​ selected, how many would we expect to be committed with a​ Firearm?…

Q: Give a sample problem involving "probability of a complement"

A: Given: The objective is to provide a sample problem for "probability of a complement".

Q: Suppose A and B are events in a sample space with P(A)=0.7, P(B)=0.48, P(B∪A)=0.88 answer the…

A: GIVEN DATA :  Two  events A & B in a sample space with PA=0.7, PB=0.48 and PB∪A=0.88       TO…

Q: A random sample, without replacement, of three items is to be selected from a population of five…

A: We have given that a random sample, without replacement, of three items is to be selected from a…

Q: 2 Students in a math class were divided into three groups. Each group was given a paper bag filled…

A: Since you have posted multiple sub-parts, we will solve the first three sub-parts for you. To get…

Q: When dealing with a finite population, we can serially number the elements of the population and…

A: Given that  When dealing with a finite population, we can serially number the elements of the…

Q: Suppose all 8 possible outcomes of an experiment are equally likely and denoted as E1, E2, E3, E4,…

A: Here,A=E1, E6, E7, E8 AndA∩B=E1, E6 The number of outcomes in A∩B are 2 and the total number of…

Q: Following the model above, if 128 different people each observe one randomly chosen groups of four…

A:

Q: For a sample to be random, all the members must have an equal chance of being selected into the…

A: We need to choose appropriate option for given statement.

Q: You are a professor of journalism and have 14 students in your class. How many ways can you line up…

A: Given,total no.of students=14

Q: Problem: The school cafeteria recently served a new kind of snack to all the senior high school.…

A: Given: level of significance = 0.01 Number of 0 responses = 29 Number of 1 responses = 31 Total…

Q: The table below describes the number of cars in stock by Motor Traders. SUV Total Compact 50…

A: a) The probability that the car is a compact car is, Pcompact car=number of compact carsTotal cars…

Q: If I use the portion of the given random number table to select the first five students to be…

A: Given that there are 250 students and they are numbered from 001 to 250 in alphabetical order. To…

Q: A friend of mine is giving a dinner party. His current wine supply includes 7 bottles of zinfandel,…

A: As per guidelines expert have to answer first question three subparts only dear student please…

Q: Agnes Hammer is a senior majoring in management science. She has been interviewing with several…

A: mean and standard deviation: Enter the values of salaries in columns A of an excel.  The mean is…

Q: Suppose a finite population has 6 items and 2 items are selected at random without replacement, then…

A: The number of possible samples of size n out of N population size is SRSWOR is equal to NCn.

Q: In the 2000 presidential election, three candidates split the vote as follows. Bush 47.9% Gore 48.4%…

A: Parameter is a number that describes data of a whole population. Statistic is a number that…

Q: An agricultural researcher takes a simple random sample of 400 English carrot farms. (Assume there…

A:

Q: hat percentage of hospitals provide at least some charity care? Based on a random sample of hospital…

A: Given :  A random sample of hospital reports from eastern states is given percentages.  56.7…

Q: A husband and wife, Ted and Suzanne, share a digital music player that has a feature that randomly…

A: A total of 3476 songs have been loaded into the player, some by Ted and the rest by Suzanne. If the…

Q: In a statistics class, there are 45 students where 3/5 of them are girls, In how many ways can a…

A: It is given that the, total no. of students in a statistics class is 45 out of which no. of boys…

Q: Suppose that a group of statistics students is divided into two groups: business majors and…

A: From the information, there are 16 business majors in the group and seven non-business majors in the…

Q: samples of the three cards are drawn at random from a population of eight cards numbered from 1-8

A: Given: Samples of three cards are drawn at random from the population of eight cards numbered from…

Q: d. There are exactly 6 people in the sample who are NOT afraid of being alone at night.

A: Given : 50% of the Americans are afraid of being alone in a house at night ,  which means Americans…

Q: A farmer sows 100 seeds of a new type of corn and wants to quickly determine the yield, or total…

A: Here the population size = 100 Digits for representing the population : 00-99 (2 digit number)