A meteorologist found from the past year’s records that it rained 17% of the days. Based on this information, what is the probability that for a sample of 15 days, it rained 3 of those days?

Q: What is the probability that a randomly selected ice cream was vanilla or was ordered on a Sunday?

A: The data is given by   Saturday Sunday Total Chocolate 4 10 14 Vanilla 3 7 10 Cookie dough…

Q: From experience, an airline knows that only 73% of the passengers booked on a flight from New York…

A: There is only two possibilities either ticket booked(success) or not booked ( failure) If r.v is X ,…

Q: What is the probability that the accident occurred on either the evening or the graveyard shift?

A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32

Q: The auto parts department of an automotive dealership sends out a mean of 3.6 special orders daily.…

A: Consider X be random variable which follows Poisson distribution indicating the number of special…

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

A:

Q: What is the probability of picking one person who is 30 years and above given that he reads non…

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Q: What is the probability a car with an alarm system had a CD player?

A: Define some events A : car had CD player. B : car had alarm system. Given that P(A) = 0.64, P(B) =…

Q: What is the probability that a randomly selected tea is mint given that the tea is caffeinated?

A: The data is given by   Caffeine-free Caffeinated Total Mint 7 7 14 Fruity 11 7 18 Total 18…

Q: According to the U.S. Coast Guard, sixty-five percent of boating accidents occur in light wind…

A: From the provided information, Sample size (n) = 20 Sixty five percent of boating accidents occur in…

Q: In a given year, 2,264,724 males and 2,124,694 females were born in a certain country. If a child is…

A: Number of male born in that given year: NM=2264724 Number of female born in that given year:…

Q: What is the probability of someone guessing I am older than 48?

A: 8. The probability formula is, Probability=Number of favourable observationsTotal observations There…

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

Q: Consider a probability experiment in which a coin is tossed twice. How many outcomes are there in…

A: we know that, Outcome :  The result of a trial in a random experiment is called an outcome.   Sample…

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: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: What is the probability that Joanne will pass only one of her courses?

A: Let us define some events A : Joanne will pass Biology B : Joanne will pass English. It is given…

Q: What's the probability that she eats ramen tomorrow?

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Q: Past records of a factory show that 4% of the candles produced are defective. What is the…

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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: According to a recent survey, 35% of respondents drive Japanese-made cars. From a random sample of…

A: Let X be tbe number of driving a Japanese-made car from Binomial distribution with probability (p)=…

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

A:

Q: A fair coin is tossed four times. What is the probability of obtaining  A) Exactly one head?

A: The probability of getting head is   Let the R.V X denotes the number of heads and it follows the…

Q: The air conditioner of 2 out of 10 cars in a car dealership is faulty. For a company that buys 4 of…

A: Giventhe air conditionerof 2 out of 10 carsis…

Q: In an eight-child family, what is the expected number of boys? (Assume that the probability of a boy…

A: Let, X= number of boys  number of observations = n =8  probability of a boy= p = 1/2  So, X follows…

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

Q: In a survey of 1100 female adults (18 years of age or older), it was determined that 341 volunteered…

A: There are 341 adult females who volunteered at least once in the past year among 1100 females.   The…

Q: What is the probability that thanksgiving falls on a thursday?

A: Thanksgiving day:It is known that Thanksgiving is always celebrated on fourth Thursday of November…

Q: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces.…

A:

Q: In a recent year, 304 of the approximately 300,000,000 people in the United States were struck by…

A: a. In a recent year, 304 of 300,000,000 people in the United States were struck by lightning.

Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

A:

Q: What is the probability of hitting a target if, in the long run, 6 out of every 35 attempts actually…

A: It is given that  Favourable cases = 6 Total outcomes = 35

Q: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…

A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5

Q: At Denver international airport, 81% of recent flights have arrived on time. A sample of 12 flights…

A:

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: What is the probability that the next person surveyed is very prepared?

A: It is given that Frequency for Very prepared = 247 Total = 247+982+546+341+76 = 2192

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

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Q: Three percent of a given lot of manufactured parts are defective. What is the probability that in a…

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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: About 8% of the US population catches the flu each season assuming everyone has equal probability of…

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Q: What is the probability that the second ball is red, given that the first ball is red?

A: There are two urns contains two different colors of ball. First urn contains 6 red balls and 3 blue…

Q: At Frosty Freeze, 5 of the last 20 sundaes sold had nuts. What is the experimental probability that…

A: 5 have nuts 15 have not nuts 20 total sundaes P(next sold have nuts) = ?

Q: In an experiment consisting of three flips of a fair coin, what is the probability that the first…

A: As per given by the question, there are three coins are flipped. then find the probability that the…

Q: In a review class of 80 students, 70 passed the board exam. If a student is selected at random, what…

A:

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

A:

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

A: It is given that n = 10.

Q: What is the probability that a randomly selected adult user of the Internet is age 50 or older?…

A: Let us define some events A : adult internet user is age 18-49 B : adult internet user is age 50 or…

Q: In a survey of 1000 social-media account holders aged 18 years and older conducted by a certain…

A: Total numbers of account holders: n=1000 Probability that they have one or two account is: p=0.61…

Q: It is reported that 15% of all books sold are of the science fiction genre. If a bookstore sells 316…

A: The binomial probability distribution with parameters n and p is, PX=x=nxpx1-pn-x In the formula, n…

Q: For a box containing 25 matches dropped into water, what is the probability that fewer than three of…

A: Let p be the probability that a match will light. Given that p = 0.17 Let X denote the number of…

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.