According to flightstat.com, American Airlines flight 1247 from Orlando to Los Angeles is on time 65% of the time. Suppose that fifteen flights are randomly selected, and the number of on-time flights is recorded. a) Explain why this is a binomial experiment. b) Find the probability tha exactly 10 flights are on time. c) Find the probability that between 7 and 10 flights, inclusive are on time

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: Last year, 1,460 calculators were returned to the manufacturer. If 83,000 were produced, assign a…

A: Given: Total number of calculators produced=83,000 Number of calculators returned=1460

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…

A:

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: You are pulling from a bag containing 9 blue marbles, 8 black marbles, 8 green marbles, and 3 yellow…

A:

Q: C) Of a group of 50 Year 11 students, 32 study art and 30 study graphics. Each student studies at…

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Q: A quiz has 12 multiple choice questions with each having 3 choices. Suppose a student decides to…

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Q: It is reported that 77.71% of working women use computers at work. Choose 11 working women at…

A: The random variable X follows binomial distribution. We have to find the probability that all 11 use…

Q: Suppose that 50% of adult Australians believe that Australia should apply to host the next rugby…

A: Given: p=0.5 n=150

Q: 9. One sixth of all people prescribed a medication do not take the medicine. What are the odds a…

A: Question 1: Odds of Not Taking the MedicationGiven:- One sixth of all people prescribed a medication…

Q: 5. A multiple-choice quiz consists of 20 questions, each with 4 possible answers. Find the mean for…

A: A multiple choice quiz consists of 20 questions each with 4 possible answers. => P(correct…

Q: 3 An animal shelter has a 61% adoption rate for puppies. Of all puppies in the shelter, 77% live to…

A: The probability of selecting two items whos individual probability are p and q is given by; P(x)=p·q

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: n the toal US population, it is believed that only 12% of adults are lactose intolerant. if 200 US…

A: In this case, each considered US adult has the only options of being "lactose intolerant" (defined…

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: A 4-digit PIN is selected. What is the probability that there is exactly one repeated digit and that…

A: In a 4 digit pin each of the positions can be filled with one of the 10 digits. Therefore one…

Q: It is estimated that 68% of households own a riding lawnmower. A sample of 25 households is studied.…

A: We have to find probability

Q: 1. If the probability that a relationship will end in a breakup within 1 year is 0.4. Find the…

A: Probability that a relationship will end in breakup within 1 year = p = 0.4sample size(n)=10X =…

Q: The probability of a grand piano selling for more than $69,400 is 0.3258. As these pianos sell…

A: 10) Given,The probability of a grand piano selling for more than $69,400 is,P(piano sells for more…

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: Given:  In one of the biggest schools in Metro Manila, 80% of their high school students are known…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

A: Probability of respondents said that their jobs were sometimes or always stressful(p)= 0.70sample…

Q: An insurance company reported that 75% of adults stated they are distracted by their smart phone…

A: Number of trail n=8Probability of success p=0.75X~Bin(n,p)

Q: Current estimates suggest that 80% of the home-based computers in a foreign countr have access to…

A: Given : Probability of success,p = 0.80 Probability of failure,q=(1- 0.80)= 0.2…

Q: Suppose that 57% of people own dogs. If you pick two people at random, what is the probability that…

A: Provided data is, 57% of people own dogs. Two people picked up randomly. The required probability…

Q: According to a study conducted by a statistical organization the proportion of Americans were…

A: The conditions for normal approximation to the binomial distribution are given below:   np≥5…

Q: Trematodes of the species Euhaplorchis californiensis may infect the California kill fish, Fundulus…

A: The researcher conducts an experiment with three kinds of killifish that is uninfected, lightly…

Q: Find the indicated probability. 6) The table below describes the smoking habits of a group of asthma…

A: The objective of this question is to find the probability that a randomly selected person from a…

Q: A letter is taken at random out of "ASSISTANT" and out of "STATISTICS". What is the chance that they…

A:

Q: Suppose you toss a coin 100 times and get 59 heads and 41 tails. Based on these results, what is the…

A: The objective of this question is to estimate the probability of getting a head in the next coin…

Q: A coin has been weighted so that landing on "heads" is 4 times greater than landing on "tails".  You…

A: A coin has been weighted so that landing on "heads" is 4 times greater than landing on "tails". i.e.…

Q: 62% of Armenian students own a personal computer. What is the probability that the proportion of…

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

Q: A card is chosen from a deck of cards and returned. In a total of 56 trials, 26 red cards were…

A: A deck of cards has a total of 52 cards where the cards are red and black. The number of trials is…

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.