If you have a sample of 100 patients at a hospital and 20 of them have the flu, what is the probability Of randomly selecting 3 patients in a row who have the flue?

Q: A bag contains 9 pennies, 6 nickels, and 5 dimes. If a coin is randomly selected from the bag, then…

A: We have given that,  A bag contains,  Pennies = 9 Nickels = 6 Dimes = 5 Total  = 9+6+5 = 20 Then, We…

Q: In a large population, 50 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Givenp=50%=0.50n=3x=noof people get vaccinatedx~Binomial(n=2,p=0.50)P(X=x)=Cxn px (1-p)n-x    ;…

Q: If you toss a fair coin six times, what is the probability of getting all heads?

A: Concept: The number of ways of achieving success that is the total number of possible outcomes is…

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 you flip a coin four times, what is the probability of getting at least a head and at least a…

A: probability of getting at least a head and at least a tail =1- Probability of having no head and…

Q: Kaja has a dog walking business that serves 9 dogs. If she chooses 4 of the dogs at random to take…

A: Kaja serves 9 dogs out of which 4 dogs named Cherish, Taffy, Haunter, and Maverick have to be chosen…

Q: About 10% of the population of a large country is hopelessly romantic. If two people are randomly…

A: Independence of Events: Two events A and B with P(A), P(B) > 0, are said to be independent if,…

Q: In a family of 11 children, what is the probability that there will be more boys than girls?

A: Given: Number of children in the family n=11

Q: A study contains 31 women and 24 men. If 3 subjects are randomly selected without replacement, what…

A: Solution-: We have, Number of women =31, Number of men =24            Total number of persons (Women…

Q: In an assembly of 200 people there approximately 2% of them are civil engineers. If we randomly…

A: Givenn=200p=0.02x=no.of people being civil engineersx~Binomial(n=200,p=0.02)P(X=x)=Cxn px (1-p)n-x…

Q: In a large population, 59 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Binomial distribution:It is a discrete probability distribution that has exactly two outcomes for…

Q: In a single throw of two dice, what is the probability of getting the same numbers on both dice?

A:

Q: About 8% of the United State population catches the flu each season. Assuming everyone has equal…

A: Given that 8% of the United State population catches the flu each season. This means if there are…

Q: If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

A: It is known that Total cards = 52 Number of diamonds = 13 Number of 5 = 4 Number of 5 of diamonds =…

Q: About 8% of the U.S. population catches the flu each season. Assuming everyone has equal probability…

A: Given: About 8% of the U.S. population catches the flu each season.

Q: If you roll a single, six-sided die, what is the probability of getting either a 4 or a 5?

A:

Q: You conduct a poll comparing two candidates. In a poll of 400 people, 190 prefer candidate A, and…

A: Given that Total number of people in poll = 400Total number of candidates prefer candidate A =…

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: A package contains 5 bags of tortilla chips, 3 bags of cheese puffs, 4 bags of potato chips, and 6…

A: Given: A package contain 5 bags of toritlla chips, 3 bags of cheese puffs, 4 bags of potato chips…

Q: A small bag of skittles has 8 red, 9 blue, and 3 green candies. A box of chocolates has 4 cherry, 10…

A:

Q: Suppose a group of students take an influenza test and 96% of the students test positive. What is…

A: Given that Student tested positive = 96% I.e probability of students tested positive is =0.96

Q: A teacher of a class of 25 students is trying to decide whether her class will play soccer, or…

A:

Q: What is the probability of a student chosen at random liking wizards of Waverly place and Suite life…

A: Given: Number of students liking Waverly place and Suite of Zach and Cody only = 313 Number of…

Q: In a recent study, 35% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: It is given that 35% of the people surveyed indicate chocolate was their favourite flavour of ice…

Q: If Timothy rolled a pair of dice, what is the probability that both would be "5"?

A:

Q: In a family of 6 children, what is the probability of getting exactly 5 boys?

A: Given: n=6probability of boy p=0.5probability of girl q=0.5 The probability of getting exactly 5…

Q: Alice has 8 pennies, 4 nickels, 2 dimes, and 6 quarters in her pocket. If one coin is drawn…

A:

Q: Taryn has 15 soccer trophies but she only has room to display 9 of them on a shelf. If she chooses…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment. It…

Q: If you throw a single die twice, what's the probability of first getting a 3 and then getting…

A:

Q: If we are selecting only one card from a standard deck of 52 playing cards, then the probability of…

A: The deck is a standard deck of 52 playing cards. The number of cards of the club is 13. The number…

Q: What is the probability of having 3 boys given the oldest is a boy?

A: The theory of probability has its origin in the seventeenth century. The king of France who…

Q: i have a 20p a 10p and a 2p coin, what is the probability of getting two tails and a head in any…

A:

Q: if you roll a pair of fair dice, what is the probability of getting a sum of 1

A: Roll a pair of fair dice, Sample space = S= (1,1) (1,2) (1,3) (1,4) (1,5)…

Q: Suppose we pick one card from a deck of cards, what is the probability of getting a King or a Spade?

A:

Q: If you have a drawer that holds 5 black t-shirts, 10 blue t-shirts, and 7 white t-shirts, what is…

A: Solution: It is given that a drawer holds: 5 black t-shirts 10 blue t-shirts 7 white t-shirts…

Q: A bag contains 9 pennies, 6 nickels, and 5 dimes. If a coin is randomly selected from the bag, then…

A:

Q: A set of traffic lights shows green for 45 seconds, amber for 5 seconds and red for 30 seconds. When…

A: It is given that the set of traffic lights shows green light for 45 seconds, amber light for 5…

Q: In a three subject class setting, there is a 75% chance that the students will pass only two…

A:

Q: About 35% of the population have a college degree. If three people are randomly selected, what is…

A: Given,  p = 35% = 0.35 q = 1 - p = 1 - 0.35 = 0.65 Sample size, n = 3 Let X be a random number which…

Q: In a 5-card poker hand, what is the probability of getting a full house (three of the same number,…

A: there are total 52 cards in standard  deck of card 4 suit and each suit have 13 cards

Q: If you flip a fair coin 10 times, what is the probability of getting all heads? If X = # heads,…

A: We have given that A fair coin is flipped 10 times.X: Number of heads We have to calculate P(X=10)…

Q: If Bart can make only 40% of free throws in a basketball game, what is the probability that he will…

A: Sample size = 3 Probability = 40% = 0.40

Q: In a deck of 52 cards, what is the probability of getting a hand of five cards and getting exactly…

A: The number of ways to select 5 cards from deck of 52 cards=C552=52!5!…

Q: In a throw of two dice, the probability of obtaining a total of 10 or 12 is

A: Introduction :-  Given event :-  Throw of two dice. We have to find probability of obtaining a total…

Q: In a three-coin experiment, what is the probability of getting a. 1 head? b. 2 heads? c. 3 heads?

A: When we toss three coins simultaneously then the total possible outcomes are: 23=8 That is, HHH,…

Q: When taking two cards from the playing cards, what is the probability of getting the number 9 in…

A: Given :  Taking two cards from the playing cards, what is the probability of getting the number 9 in…

Q: A coin is tossed six times. What is the probability of obtaining four or more heads ?

A:

Q: If you have λ = 4.2, what is the probability that P(x < 2)?

A: The given value for λ is 4.2.

Q: In a class of 20 students, 12 study Biology, 15 study History and 2 students study neither Biology…

A: In a class there are 20 students, in which neither of the students study biology and history is 2.…

Q: In a class of 50 students, 27 are Democrats, 9 are business majors, and 7 of the business majors are…

A:

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.