According to a study 20% of corporate officers are women. Suppose that you select a random sample of 250 corporate officers. What is the probability that in the sample, less than 15% of corporate officers will be women?

Q: A sixth grade class has 30 students. 15 of those students play baseball, 18 play basketball, and 10…

A: As per the rules of probability, PA∪B=PA+PB-PA∩B, where PA∪B denotes either A or B or both. PA ∩B…

Q: in a beauty pageant with 10 finalists and with equal chances of being chosen, what is the…

A: All the 10 finalist are equally likely to be chosen as winner, for equally likely outcomes the…

Q: Hospital records show that of patients suffering from a certain disease, 35% die of it. What is the…

A:

Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: In a family of 11 children, what is the probability that there will be more boys than girls?

A: Given: Number of children in the family n=11

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: In a large town, previous records indicate that 40% of all high school graduates go to college. 30…

A: From the given information, n=30 and p=0.40.

Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…

A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…

Q: According to the American Veterinary Medical Association, 31.6% of American households own a dog.…

A: Let A denote that American households own a dog Let  denote that American households does not own a…

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: In a Business Statistics class, there are 15 girls and 11 boys. On a test 2, 9 girls and 6 boys made…

A: Given: In a business statistics class there are 15 girls and 11 boys on a test 2, 9 girls, and 6…

Q: Recent research suggests that 73% of Americans have a home phone, 83% have a cell phone, and 58% of…

A: Given:

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: According to the Federal Communications Commission 70% of all us households have vcrs in a random…

A: According to the provided information, p=0.70 n=15 The pmf of binomial distribution is: P(X=x) =…

Q: In a family of 6 children, what is the probability of getting exactly 5 boys?

A: Given: n=6probability of boy p=0.5probability of girl q=0.5 The probability of getting exactly 5…

Q: In a small private school, 3 students are randomly selected from 11 available students. What is the…

A: Assume that all the 11 available students have different ages. S ne the sample space of selecting 3…

Q: In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10…

A: A random variable X, is said to follow binomial distribution if the probability mass function of X…

Q: According to a study conducted by the Gallup organization, the proportion of Americans who are…

A: It is an importance stance in probability distribution . Binomial distribution is a discrete…

Q: A class consists of 23 women and 31 men. If a student is randomly selected, What is the probability…

A: Given data, No of Men=31 No of women=23 Total no of students=23+31= 54 P(Student is man)=?

Q: A survey revealed that 31% of people are entertained by reading books, 39% are entertained by…

A:

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: A class consists of 17 men and 65 women. If a student is randomly selected, what is the probability…

A: It is given that Number of men = 17 Total = 17 + 65 = 82

Q: Fifteen percent of the students at Central High take Spanish, 12% take French, and 4% take both. If…

A: SOLUTION-

Q: A survey is conducted about 15% of the people have hearing trouble in texas. A sample of 111 people,…

A: Survey is conducted about 15% of the people have hearing trouble in Texas. A sample of 111 people…

Q: What is the probability that a randomly selected student prefers the arts or does not prefer…

A:

Q: If a randomly selected student owns a cell phone, what is the probability that this student also…

A:

Q: If you know that 30 percent of all high school graduates go to college. From 20 graduates selected…

A: We have to find given probability.

Q: According to a recent study, 24% of the USA population is Catholic. The survey also shows that 71%…

A: Percentage of population is Catholic is 24%. Percentage of Catholic are Democrats is 71%. Percentage…

Q: In a random survey of 20 students, find the probability that exactly 17 of them will say that they…

A: Given: Total number of students in survey n=20 Number of students say that they do not get enough…

Q: The US population is 13% African American. If Americans, a) what is the probability that the sample…

A: Given: Population Proportion=p=0.13 sample size=n=500

Q: Approximately 11% of students at BCC are Criminal Justice majors. If you take a simple random sample…

A: Let X= number of students who are Criminal Justice majors the probability of a student being…

Q: A flu test shows that about 31% of all patients visited the hospital. Suppose that 90 patients…

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: In a business statistics class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys…

A: Given: The business statistics contains the 30 students that is present in the class. It mostly…

Q: The probability that four randomly selected high school drivers all drove when drinking alcohol is

A: Given: Drove when drinking alcohol Yes No Total Texted while driving 737 3027 3764 No Texting…

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: A random variable X is said to follow a binomial distribution with parameters 'n' and 'p' ( where n…

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: If two people are chosen with replacement from the data, what is the probability that both are…

A: Given contingency table is :   Athletic Shoes Sandals Dress Shoes Other Total Men…

Q: A class consists of 70 women and 20 men. If a student is randomly selected, what is the probability…

A: Total number of students = 90 Number of women = 70 Number of men = 20

Q: what is the probability that she will select a blue marble first, then a clear marble?

A: AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION  Here use basic probability  Probability =…

Q: A survey reports that 53% of college students use Google as their search engine.  If 100 students of…

A:

Q: A convenience store estimated that 22% of its customers come in to buy milk. What is the probability…

A:

Q: According to a study done by the Seattle City Council, 65% of Seattle adults own a car. Assume this…

A: The population proportion is p=0.65 The required probability is…

Q: A recent study shows that 4% of California residents consider purchasing an electric car . If we…

A:

Q: If you pick a person at random in Udmurtia, what is the probability that they Udmurt or have red…

A:

Q: .A class consists of 17 women and 65 men. If a student is randomly selected, what is the probability…

A: It is given that Number of women = 17 Total = 17 + 65 = 82

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.