If you flip a coin three times what is the probability that you will get only one heads? How might this calcualtion differ if you actaully did 100 experiments where you flipped a coin three times and found the average number of times you got heads out of the 100 trials?

Q: To reduce laboratory​ costs, water samples from four public swimming pools are combined for one test…

A: From the given information, the probability of finding bacteria in a public swimming area is 0.01.…

Q: Of the 12 times a bird lands in a tree, he chooses a red maple 4 times. Find the empirical…

A: Given that of the 12 times a bird lands in a tree, he chooses a red maple 4 times. We have to find…

Q: A traffic study has shown that the probability that 5 cars will pass over a small bridge in a…

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Q: pair

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Q: Is better has an equal chance of landing on either red blue green or yellow. You spin 6 times. What…

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Q: If there is a chance of rain of 10% on any day, how do I find the chance that it rains on Saturday…

A: P(A or B) means P(A∩B)P(A & B) means P(A∪B)P(A∩B)=P(A)+P(B)-P(A∪B)

Q: It has been found that one out of every ten people who visit a retail website make a purchase worth…

A: Given : It has been found that 1 out of every 10 people who visit a retail website make a purchase…

Q: A postman has to deliver five letters to five different houses in a street. Unfortunately, the rain…

A: Probability is a branch of mathematics which is basically deals with the chances of happening an…

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: If you flip a coin three times what is the probability that you will get only one heads? How might…

A: We will first find the theoretical probability of flipping 3 coins and obtaining 1 head and then…

Q: Jose has flipped a coin 5 times in a row and obtained heads 4 times. What is the probability that he…

A: Given: Probability of getting head = Number of headsTotal number of trials=12 Probability of getting…

Q: The television show Ghost Whistler has been successful for many years. That show recently had a…

A: Given that, Number of households n=11 Probability of households who are tuned to Ghost Whistler…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…

A: Given that, Probability(grow) = 95% = 0.95 Probability(don't grow) =  0.05 Sample size = 12

Q: You are conducting a Bernoulli experiment where the probability of of failure is 25%. |20 What is…

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Q: The Wilson family was one of the first to come to the U.S. They had 4 children. Assuming that the…

A: Given Information: Total children (n) = 4 Probability of a child being a girl is p = 0.5 (a) To find…

Q: Tom and Jerry compete against one another in a five game chess match. They agreed to play the whole…

A: Solution

Q: A typist makes an average of 2.6 typos every 10 pages. What is the probability that the typist makes…

A: Let X denote the number typos in every 10 pages and it follows Poisson distribution with The…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the the…

A: Given that Population Mean (\lambda)(λ)  = 4  here we will use Poisson distribution with parameter λ…

Q: If rain falls randomly with a 20% chance of rain on any given day, what is the probability that we…

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Q: Two students are working as part-time proofreaders for a local newspaper. Based on previous aptitude…

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Q: A recent survey conducted nationwide found that 72% of people in the United States prefer cheese on…

A: As per our guidelines we are supposed to answer only one question (if there are multiple questions…

Q: a seed is planted and has 75% chance of growing and 9 seeds are planted what is the probability that…

A: If a seed is planted and has a 75% chance of growing. Thus, Chance of not growing = 1-0.75 = 0.25 =…

Q: ) What is the probability that there are exactly 2 defective phone batteries in the sample? ) What…

A: NOTE-AS PER COMPANY POLICY I HAVE CALCULATED FIRST 3 SUBPARTS PLZ RESUBMITS OTHER PARTS AGAIN   Here…

Q: I place a plate containing 4 pieces of mango, 3 pieces of pear and 2 pieces of apple in front of my…

A: A plate contains 4 pieces of mango, 3 pieces of pear and 2 pieces of apple, that is totally there…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 8 seeds are planted,…

A: We have given that  Number of trials n=8 Success of probability p =0.40 Failure of probability q=…

Q: fair die is rolled two times. What is the probability that both rolls are 1?

A: Independent events When the happening of one event does not depend upon the other events. Then it is…

Q: There is a 0.8 probability that the temperature will be below freezing on any winter's day in Amman.…

A: 1] The probability of temperature below the freezing =0.8 2] The probability of temperature above…

Q: In the past few years, outsourcing overseas has become more frequently used than ever before by U.S.…

A: Given that outsourcing overseas has become more frequently used than ever before by U.S. companies.…

Q: Ahmed tossed the coin 60 times and they landed on two heads 12 times. What is Ahmeds experimental…

A: We have to find experimental probability of getting two heads...

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: A mortgage advisor sells on average 3.5 mortgages every two weeks. i. What is the probability that…

A: (i) Obtain the probability that they sell 5 mortgages in a two week period. The probability that…

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 an unfair coin has a 70% chance of landing on tails and you toss this coin 7 times. What is…

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Q: for the experiment of rolling and ordinary pair of dice, find the probability that the sun will be…

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Q: A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To…

A: Given: A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100…

Q: A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To…

A: Probability is a branch of mathematics or statistics which basically deals with the chances of…

Q: Determine the likelihood of the event and explain why. A 20-sided dice is rolled 9 times and a 21…

A: The likelihood  of an event is determined by the possibility of the event to occur.

Q: Archer has a 25% chance of hitting the bull's eye on a target. What is the probability that the…

A: In this question we will use basic of calculus i.e probability by binomial probability distribution.…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

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: an airline found that 6% of people making a flight from Miami to Denver do not show up for their…

A:

Q: , what is the probability of obtaining not more than 2 heads if it is known that the last two tosses…

A: Here use basic probability  Probability of head = 1/2 Probability of tail = 1/2 Here each toss…

Q: What is the probability that a person who didn’t study and is guessing get at least 7 questions…

A: Let p be the probability of getting correct answer. Then p = 1/3 = 0.3333 Let X denote the number of…

Q: You are conducting an experiment where a bucket is filled with 11 fluffy hamsters and 7 spiky sea…

A: Given info:  There are 11 fluffy hamsters and 7 spiky sea urchins in the bucket. Thus, there are 18…

Q: an individual is randomly selected from this study, what is the probability that he died from…

A: Total number of men = 141,609 Number of individuals who died from cancer = (708 + 86 +137) = 931…

Q: tain test is 99.5% effective at detecting Foreign Bloodborne Patnogens (such as the nepatitis virus)…

A: The blood test is 99.5% effective at detecting Foreign Bloodborne Pathogens.

Q: A scientist inoculates several mice, one at a time, with a disease germ unti he finds 3 that have…

A: Obtain the probability that X equals 10.   The probability that X equals 10 is obtained below as…

Q: There is a 60% chance of getting stuck in traffic when leaving the city. On two separate days, what…

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Q: How many rolls of two dice are needed so that the probability of rolling a double six within this…

A: Given, number of die, n=2 total number of ways=36 The binomial distribution formula is…

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

A: We have given  Number of trials n =15 Success of probability p =÷5%=0.35 X~binomial (n,p)

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.