The probability of a successful operation in an industry is 0.75. What is the probability that the first successful operation requires at least 3 operations? Assume the trials are independent.

Q: A student receives, on average, 7 text messages in a 2-hour period. What is the probability that the…

A: To find the probability

Q: the crusty pizza company has determined that 35% of their customers get thin crust pizza. Of the…

A:

Q: A burglar alarm system has 6 fail-safe components. The probability of each failing is 0.03. What is…

A: Given: n = 6 P= 0.03

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given : The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: Seventy-six percent of toddlers get their recommended immunizations. Suppose that 6 toddlers are…

A: Given,p=0.76n=6

Q: Of the 6 people who have taken their seats at a seminar, 2 have black hair. What is the experimental…

A: From the given information, 6 people who have taken their seats at a seminar, 2 have black hair.…

Q: Find the indicated probability. Round to the nearest thousandth.In a blood testing procedure, blood…

A: The probability that individual sample test is negative is, Pn=1-0.11=0.89

Q: An oil company has determined that the probability of finding oil at a particular drilling operation…

A: Let p be the probability of finding oil at perticular drilling operations.  Given p=0.20  Let X be…

Q: snip

A: Given: Probability of success in first operation is, P(A)=97%=0.97. Probability of success in…

Q: a. What is the probability that more than three letters were dropped in both mailboxes X and Y…

A:

Q: A fair die is rolled three times. What is the probability of obtaining at least 2 6's?

A: We know that when we toss a fair coin then the probability that getting any number is 1/6.Total…

Q: The probability of a radar station detecting an enemy plane is 0.55. If 60 stations are in use, what…

A: The binomial distribution is given by,   P(X=x) = Cxn . px . qn-x ; x = 0, 1, 2, ....…

Q: The probability of John scoring hitting a home run in a baseball game is .40. a. Consider John…

A: Given information: It is given that a John has played the baseball game for 5 times. That is, n =5.…

Q: What is the probability of having 2 boys given at least 1 is a boy? (Bayes’ theorem)

A: Let us suppose that, A & B are the two events then following is the formulae for Bayes' Theorem…

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Five birds hit the Washington Monument and are killed on average, each week. Funds will be allocated…

Q: A study on sales of a product determines that on average, there are 490 units sold on a week. What…

A:

Q: In a communication channel, data is sent in 10-bit packets. The percentage of a bit sent with error…

A:

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A:

Q: What is the probability of no failures in a given day? b. What is the probability of one or more…

A:

Q: The probability that an athlete finishes a triathlon is 0.66. What is the probability that no less…

A: Introduction: Denote p̂ as the sample proportion of triathletes who will cross the finish line,…

Q: The percentage of the damaged production of a lamp factory is 1000. If a sample of 5 lamps is…

A:

Q: A basketball player has a 80% chance of making a free throw. (Assume that the throws are independent…

A:

Q: eeded?

A:

Q: hilitu of cuccers n035 and n=5 trials is conducted, What is the probability that the experiment…

A: It is given that n=5 and p=0.35.

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

A:

Q: The chance of rain is 20%, the chance of it being sunny is 60%, and the chance of it being sunny and…

A: Let us denote  R=rain S=sunny Given that P(R)=20%=0.20, P(S)=60%=0.60, P(R and S)=10%=0.10

Q: Suppose Solar power plants failures occur with an average of 5 failures every year, calculate the…

A: Given data: 5 = failures every year To find: The probability that there will not be more than one…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, n = 410 and p = 0.527.

Q: What is the probability that a randomly-chosen customer did order neither wings nor pizza? Justify…

A:

Q: if the probability that a bowler will bowl a strike is 0.7, what is the probability that he will get…

A: Binomial distribution: A binomial distribution is used to calculated the probability of a success or…

Q: a fair coin is tossed three times. what is the probability of obtaining at least two tails?

A: Let S be the number of outcomes when the coin tossed three times and A be the possibilities to get…

Q: In recent tournaments a shooter has hit 35 of the 50 shots made. a) In the first round, what is the…

A: Given data: The given hit shots are s=35. The total given shots are n=50. a) The expression for the…

Q: On average there are 3 typing errors per page of text. What is the probability that on any given…

A: The Poisson distribution: A discrete random variable X is said to have a Poisson distribution with…

Q: A (blindfolded) marksman finds that on the average he hits the target 4 times out of 5. If he fires…

A: We have to find given probability....

Q: rolled three

A:

Q: A fair coin is tossed six times. What is the probability of obtaining at least five ​tails?

A: From the given information, the number of times tossing a coin is 6. The probability of getting a…

Q: The probability that someone can taste PTC is 0.7. Suppose 20 people are randomly selected and…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: An Archer has a 25% chance of hitting the bullseye on a target. What is the probability that the…

A: Let X=the number of times of hitting the bullseye n=number of trials= 7 p=probability of…

Q: Fifty-three percent of U.S. households have a personal computer. In a Random sample of 250…

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

Q: At a train reservation counter, customers come to desk with a mean time of 2.5 minutes. What is the…

A: Given, Mean = λ = 2.5 Minutes   This is the case of poisson distribution. The proability…

Q: A fair die is rolled two times. What is the probability that both rolls are 6?

A:

Q: f 2 percent of the rifles in an arsenal are defective, what is the probability that a random sample…

A: Given that  2 percent of the rifles in an arsenal are defective . P = 2% = 0.02 Sample size (n) =…

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A:

Q: A fair die is rolled 6 times. What is the probability it comes up 4 at least once?

A: Given  n = 6  Die is fair

Q: On average, five birds hit the Washington Monument and are killed each week. Bill Garcy, an official…

A: Given  Mean = 5

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A:

Q: A production line estimates that 1.5% of the items it produces is defective. In a package containing…

A: It is given that the A production line estimates that 1.5% of the items it produces is defective…

Q: A college basketball player makes 80% of his free throws. Over the course of the season, he will…

A:

Q: The Wilson family had 8 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Given, A family had 8 children and probability of child being a girl is 0.5.