For next year, 47% of veterans will buy a single family home. If we pick a random sample of 5 veterans, find the probability that at least 4 veterans will buy a single -family home next year?

Q: A four-person is selected at random from a population of 14 men and 16 women. What is the…

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Q: An advertising company has 12 men and 8 women. Suppose the company needs to select a team of 5…

A: Given that Total member=12+8=20 Men member=12 Women member=8 5 member are selected at random

Q: Suppose a jar contains 12 red marbles and 19 blue marbles. If you reach in the jar and pull out 2…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: crime study for a geographic area showed an average of one home invasion per 40,000 homes. If an…

A:

Q: In a survey in a rural area, it is found that 32% of families from a barrio owns a milking cow and…

A: Given: Family owns a milking cow, P(A)=0.32. Family owns a poultry, P(B)=0.41. Family owns both,…

Q: Suppose a jar contains 20 red marbles and 34 blue marbles. If you reach in the jar and pull out 2…

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

Q: A customs inspector decides to inspect 2 of 12 shipments that arrive from Madrid by plane.  If the…

A:

Q: Suppose a jar contains 5 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Solution

Q: An urn contains 3 yellow balls and 6 white ball . If Vince chooses 7 balls at random from the urn ,…

A: The number of yellow balls is 3 and the number of white balls is 6.

Q: A school has 820 male students and 835 female students. If a student is selected at random, what is…

A: We have given that,  Male students = 820 Female students = 835 Total students = 820 + 835 = 1655

Q: An advertising company has 12 men and 8 women. Suppose the company needs to select a team of 5…

A: Given,no.of mens=12no.of womens=8Total no.of members=20

Q: Suppose a jar contains 6 red marbles and 30 blue marbles. If you reach in the jar and pull out 2…

A:

Q: orange balls . If Vince chooses 8 balls at random from the urn, what is the probability. that he…

A: First, we calculate the total number of balls: Total balls = 7+5                 = 12   We need to…

Q: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what…

A: From the provided information, A couple has three children that is n = 3 Probability of being a girl…

Q: In a large city there are an average of 02 fires per year. What is the probability that next year…

A: Solution: Let X be the number of fires per year. From the given information, average number of fires…

Q: If a seed is planted, it has a 70% chance of growing into a healthy plant.

A: Given that the 70% chance of growing into a healthy plant. P(growing a plant)=0.70 P(not…

Q: A group of 4 men and 4 women is randomly divided into 2 different groups of size 4 each. What is the…

A: Given, Total  number of people = 4 men  + 4  women = 8 These 8 people are divided into 2 different…

Q: A math teacher chooses   8    students at random from a class of   38  to solve a problem at the…

A:

Q: In a box there are 12 male and 6 female piglets. If 6 piglets are chosen at random, what is the…

A:

Q: A couple is planning to have 6 children. If the true probability of a baby girl being born is 0.521,…

A:

Q: From a group of 4 TV critics and 8 movie critics, we randomly select 5 people. If at least 2 movie…

A: Solution-:l We have 4 TV  critics and 8 movie  critics We randomly select 5 people If at least 2…

Q: Suppose a jar contains 5 red marbles and 11 blue marbles. If you reach in the jar and pull out 2…

A: Given that  The jar contains  Red marbles = 5 Blue marbles = 11 Total marbles = 5 + 11 = 16   We…

Q: If 15% of students like tennis and I expect 500 new students on campus what is the probability that…

A: Probability that students like tennis, p=15% = 0.15 q=1-p= 1-0.15= 0.85 Sample size n=500…

Q: A zoologist has determined that Loggerhead Sea Turtle eggs hatch about 65.2% of the time. What is…

A:

Q: Suppose a jar contains 6 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A:

Q: A scientist inoculates several mice, one at a time, with a disease germ until he finds 2 that have…

A: Probability of contracting the disease is 1/6. Define the Random Variable, X : Number of mice…

Q: Suppose that you have a barrel with 7 apples and 8 oranges in it. If 2 fruits are selected, what is…

A: use formula : nCr=n!/(r!*(n-r)!)

Q: Suppose a jar contains 6 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A: GivenA jar contains No.of red marbles = 6No.of blue marbles = 26Total no.of marbles = 32

Q: In a large population, 65% of the people have been vaccinate. Of 5 people are randomly selected what…

A:

Q: Find the probability that when a couple has 3 children, they will have exactly 2 boys. Assume that…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: A new surgery is successful 80% of the time. If the results of 6 surgeries are randomly sampled,…

A:

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

A: From the given information. The probability of American are smoker 0.21.

Q: Suppose you have 5 marbles in a bag: 3 red and 2 black. If you reach into the bag without looking…

A:

Q: janitor with bunch of 9 keys is to open a door but only one key can open. What is the probability…

A: One key is correct out of 9 keys.  P(succeeds in 3 trials)  = ?

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if three…

A:

Q: probability that a house in an urban area will develop a leak is 2%. If 21 houses are randomly…

A: The probability that a house in urban area will develop a leak is 2%, 21 houses are randomly…

Q: In one town, 80% of adults have health insurance. What is the probability that 3 adults selected at…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: Suppose a jar contains 8 red marbles and 37 blue marbles. If you reach in the jar and pull out 2…

A: From the provided information, Red marbles in a jar = 8 Blue marbles in jar = 37 Total marbles = 8 +…

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: Let X is the number of trains that will pass through Grand Central Terminal follows Poisson…

Q: Suppose a jar contains 5 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Introduction: According to the permutation rule, if r distinct items are to be chosen from n items…

Q: In one town, 61% of adults have health insurance. What is the probability that 5 adults selected at…

A:

Q: A couple goes on the bus together and spots 6 empty seats in a row.  As they go towards the seats,…

A: Total number of ways of seating order = 6!= 720

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: In a large population, 65 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given, Probability that the people have been vaccinated (p)=0.65 Sample size (n)=4 Lex x be the…

Q: If you selected two of these stocks at random, what is the probability that both the stocks in your…

A: Given that there are 10 stocks. We can select any 2 stocks in 10P2=90 ways.   Among those 10 stocks,…

Q: Suppose a jar contains 6 red marbles and 38 blue marbles. If you reach in the jar and pull out 2…

A: HERE GIVEN , a jar contains 6 red marbles and 38 blue marbles  now 2 marbles are selected at same…

Q: Suppose a jar contains 8 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Explanation of the answer is as follows

Q: In one town, 66% of adults have health insurance. What is the probability that 4 adults selected at…

A: It is given that, in a town 66% of the adults have health insurance.

Q: If we have two boxes where the first box contains 3 red balls and 2 white balls and the second box…

A: To get 3 balls of same colour, either 3 are red or 3 are white. 3 red balls is possible when 2 red…

Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and…

A: Define the events as follows: M : The student takes Mathematics H : The student takes History

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.