At a certain university, 4% of men are over 6 feet tall and 1% of women are over 6 feet tall. The total student population is divided in the ratio 3:2 in favour of women. If a student is selected at random from among all those over six feet tall, what is the probability that the student is a woman?

Q: At one private college, 34% of students are business majors. Suppose that 260 students are randomly…

A: The probability that the proportion of business students in the sample differs from the population…

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: If 58% of the people at a certain conference are doctors, 38% are men, and 18% are male doctors,…

A: Given If 58% of the people at a certain conference are doctors, 38% are men, 18% are male doctors,

Q: A population of women has 40% with dark eyes. If a sample of 20 women are selected from this…

A: Given: p=0.4 n=20 Let X~B(n,p)

Q: According to a candy​ company, packages of a certain candy contain 18​% orange candies. Find the…

A: The proportion of orange candies in a certain package is : p=0.18 The sample size is given to be…

Q: In a science class of 35 students, 15 are boys and 20 are girls. On a unit test, 5 boys and 8 girls…

A: We will use probability formula to find solution to the problem .

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Let p be the proportion of vaccinated people. Given that p = 0.52 Let X denotes the number of…

Q: In a factory that produces pieces of ready-made concrete, if the ratio of production of defective…

A:

Q: In a math class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys and 5 girls…

A: Given,no.of boys=17no.of girls=13total no.of students=30

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: In the experiment of rolling a die, what is the probability of obtaining an even number given that…

A:

Q: A poll is given, showing 45% are in favor of a new building project. If 5 people are chosen at…

A: As per guideline expert have to answer first question only dear student please upload other question…

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: 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: On a True/False quiz, what is the probability of guessing 5 out of 10 questions correctly? This is…

A:

Q: A survey at a restaurant in small western town yielded the data below: travelers : married 27,…

A: General formula of probability is ,  Probability = Number of favorable outcomesTotal outcomes

Q: A poll is given, showing 60% are in favor of a new building project. If 10 people are chosen at…

A:

Q: Color blindness has a rate of about 5% among males. If you pick a group of 15 males, what is the…

A:

Q: If 66% of the people at a certain conference are doctors, 63% are women, and 77% are doctors or…

A: Given that, 66% of the people at a certain conference are doctors i.e. P(doctors) = 0.66 63% are…

Q: A die is weighted in such a way that each of 2, 4, and 6 is twice as likely to come up as each of 1,…

A: Given: A die in which 2,4,6 is likely to come twice as each of 1,3,5. The objective is to find the…

Q: In a batch of 2000 calculators , there are, on average, 8 defective ones. If a random sample of 150…

A:

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: 90 students, including JB and Jane, are to be split into three classes of equal size, and this is to…

A: The number of student in the class is 90. Number of parts the class is divided is 3.

Q: In a large population, 66% of the people have been vaccinated. If 3 people are randomly selected,…

A: Let the random variable X denote the no. of people have been vaccinated and it follows binomial…

Q: Suppose 45% of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected,…

A: Solution: From the given information, the probability of the doctor in a hospital is a surgeon is…

Q: 1) The number of cracks in a 105-km expressway is 30. What is the probability that there would be no…

A: Solution.

Q: of events. Ratio:  ____ : ____

A: The probability is defined as, P=FVTV The favourable outcome is denoted as , fv. The total outcome…

Q: 2.  In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people…

A: Given data in a recent survey  18 people preferred milk , 29 people preferred coffee, 13 people…

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 certain population, a group of people has a 0.23% rate of heterochromia. If a random person is…

A: Probability = number of favorable eventstotal number of events

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: Note: The number of white balls is considered as 42 and number of gold balls considered as 33. It…

Q: You toss a biased coin with a probability p of heads, while your friend tosses at the same time a…

A: Let us define the event A as both coins simultaneously show the same outcome. That is either both…

Q: At a restaurant, the probability that a customer will order a nonalcohlic drink is .56. Find the…

A: From the provided information, The probability that a customer will order a nonalcoholic drink is…

Q: Suppose 44 % of the students in a university are baseball players. If a sample of 853 students is…

A: Where,

Q: In a certain Country, 47 percent of the population are on a strict diet. In a sample of 20…

A: It's binomial probability distribution

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

A:

Q: In a large population, 70 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Solution: Let X be the number of people has been vaccinated and n be the sample number of people…

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A:

Q: The Merrilee Brokerage House studied two groups of industries (computers and petroleum) and rated…

A: From the table we see that n(computer and low risk)= 10  n(low risk)=10+15=25

Q: Of all 3- to 5-year-old children, 56% are enrolled in school. If a sample of 500 such children is…

A:

Q: A poll is given, showing 45% are in favor of a new building project. If 10 people are chosen at…

A: We have to find given probability.

Q: f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample…

A: Given that  2 percent of the rifles in an arsenal are defective . P = 2% = 0.02 Sample size (n) =…

Q: Suppose 45 % of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected, what…

A:

Q: For a week, a clothing company tracks the amounts spent by its customers, with the results shown to…

A: Here given grouped frequency distribution of amount spent by customers of clothing company

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A:

Q: What is the probability of selecting all women for a​ seven-person jury from a pool of fifteen men…

A: Solution: From the given information, fifteen people are men and fifteen people are women. Total…

Q: Large sheets of metal have faults in random positions but on average have 1 fault per 10 m2 a. What…

A:

Q: A coin is tossed eight times. What is the probability that the outcome will be eight heads, given…

A:

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A: Consider the formula for the probability. Assume n to be the total number of the participant…

Q: Based on a study by Dr. P. Sorita at Indiana University, approximately 12% of people have green…

A: It is given that n =0.12 and n = 650.

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.