A study conducted at a certain large college shows 56% of the schools graduates find a job in their chosen field within a year after graduation. Find the probability that 5 randomly selected graduates all find jobs in their chosen field within a year of graduating.

Q: 46% of all violent felons in the prison system are repeat offenders. If 33 violent felons are…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: In this question we will be using Poisson distribution.  It is given that the restaurant can expect…

Q: A study has shown that 65% of students at some time in their college career have skipped buying…

A: Solution-: Given: We find,

Q: A survey from an independent agency found that 40% of consumers receive their spending money from…

A: Binomial distribution is a discrete distribution which is basically deals with the probabilities of…

Q: According to a study, 83% of k-12 schools or districts in a country use digital content such as…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: From a well-shuffled deck of ordinary playing cards, four cards are turnedover one at a time without…

A: A well shuffled deck of card contains 52 cards of which 26 cards are red and  13 card are spades.…

Q: A company that advertises on the radio in a certain area receives on average 11 calls everytime it…

A: Formula : poisson distribution is given by

Q: The incidence of disease in a forest is such that 20% of the trees in the forest have the chance of…

A:

Q: According to PSA, the probability of a randomly selected 90-year old Filipino survives for at least…

A: given data  probability that a randomly selected 90 year old filipino survive for atleast another…

Q: A nationwide survey of seniors by the University of Michigan reveals that almost 30.0% disapprove of…

A:

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: A tire company produced a batch of 100 tires that includes exactly 24 that are defective. If 4 tires…

A: The probability of defective is,

Q: In a survey of 1039 people, 750 people said they voted in a recent presidential election. Voting…

A: Solution: Let X be the number of eligible voters actually did vote and n be the sample of people.…

Q: In a survey of 1485 people, 973 people said they voted in a recent presidential election. Voting…

A:

Q: A tire company produced a batch of 5,500 tires that includes exactly 220 that are defective. If 4…

A: Obtain the probability that all the tires good. The probability that all the tires good is obtained…

Q: In a survey of 1383 people, 1033 people said they voted in a recent presidential election. Voting…

A: It is given that the sample size n is 1,383 and x is 1,033.

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Givenp=0.26n=12Let "x" be the couple having destination…

Q: A study of an ant colony over a certain area showed an average of 1 infected ant per 20,000 ants. If…

A:

Q: According to a 2018 survey, 74 percent of employed young adults expect to bring work on a vacation…

A:

Q: In a citrus orchard, it is found out that 15% of them are affected by a particular disease. find the…

A:

Q: 63% of American adults under age 35 believe Batman could win a fight over Superman. If a random…

A: Let X be an event that american adults under age 35 believe Batman could win a fight over Superman ,…

Q: three out of four university students under 25 years old have eaten eggs for breakfast. If a random…

A: Solution: Given data: Probability, P = 3/4  = 0.75 Sample size (n) = 20 To find : the probability…

Q: Assume that a survey of 200 randomly selected people showed that 105 will vote in the 2020 General…

A: It is given that 105 out of 200 people showed that they will vote. That it, there are 95 people who…

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

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

Q: In a market study, a researcher found that 70% of customers are repeat customers. If 10 customers…

A:

Q: A batch of 100 cords has 8 defective cords. If 4 cords, taken at random from the batch, are to be…

A:

Q: A survey has shown that on average, 1 person in 1000 makes a mistake on leaving their belongings…

A:

Q: A cookie is selected at random from a basket containing 27 peanut butter ​cookies, 24 sugar…

A:

Q: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene. About…

A: We are given,Research has shown that approximately 1 woman in 700 carries a mutation of a particular…

Q: A study conducted in a US city shows that 15% live in poverty. Find the probability that among 9…

A: GivenUS city shows that 15% live in povertyp=0.15n=9x~Binomial(n=9,p=0.15)P(X=x)=(nx)×px×(1-p)n-x…

Q: A flashlight has 71 batteries, 13 of which are defective. If two are selected at random without…

A:

Q: In a survey of 1143 people, 754 people said they voted in a recent presidential election. Voting…

A:

Q: In a recent survey, 72% of the community favored building a health center in their neighborhood. If…

A: It is given that n = 14 and p = 0.72.

Q: Based on a Comcast​ survey, there is a 0.8 probability that a randomly selected adult will watch​…

A:

Q: Eight of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is…

A: It is given that 8 of the 50 digital video recorders in an inventory are known to be defective.

Q: 75% of American adults received a speeding ticket. If a random sample of 20 adults is selected, find…

A:

Q: A geological study indicates that an exploratory oil well drilled in a particular region should…

A: If the third oil strike comes on the fifth well drilled. This means the first two oil strikes came…

Q: In the current campaign period, suppose a random person is selected, based on previous survey, there…

A:

Q: According to police sources, a car with a certain protection will be recovered 90% of the time. If…

A: Introduction:Consider the event of recovering a stolen car with the protection as a “success”.For a…

Q: Public Opinion reported that 5% of Americans are afraid of being alone in a house at night. If a…

A: There is only two possibilities either the selected person is afraid of getting alone as success or…

Q: In a survey of 1371 people, 941 people said they voted in a recent presidential election. Voting…

A:

Q: A cookie is selected at random from a basket containing 21 mint cookies, 18 caramel cookies, three…

A: Given that there are 21 mint cookies, 18 caramel cookies, 3 sugar cookies, and 28 peanut butter…

Q: A study reports that 25% of male athletes enjoy playing tennis recreationally.  Suppose you randomly…

A: It is an important part of statistics. It is widely used.

Q: In a survey of 1002 people, 640 people said they voted in a recent presidential election. Voting…

A: Given that, n = 1002, p = 0.61 (a) Check the conditions of normal approximation to binomial: Here,…

Q: A safety engineer claims that only 30% of all workers wear safety helmets when they eat lunch at the…

A: The Probability mass function for Binomial distribution is given by                     P(X=x)=ncx…

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.

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Let the random variable X be the number of wear glasses. X takes values 0,1,2,.....,10 . p =…

Q: Research has shown that approximately 1 woman in 400 carries a mutation of a particular gene. About…

A: From the given information, Research has shown that approximately 1 woman in 400 carries a mutation…

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.