New coffee shops in Exeter succeed 60% of the time. Suppose that 3 new coffee shops open (where they do not compete with each other, so it is reasonable to believe that their relative successes would be independent). Find the probability that at least 1 coffee shop fails.

Q: A company that advertises on the radio in a certain area receives on average 11 calls everytime it…

A: Formula : poisson distribution is given by

Q: The percentage of couples where both parties are in the labor force is 62%. If 10 couples are…

A: Let X be the number of the couples are working. Then, X follows binomial distribution with…

Q: A small regional carrier accepted 20 reservations for a particular flight with 18 seats. 12…

A: Out of 20 reservations, 12 reservations went to regular customers who will arrive for the flight.…

Q: In women’s tennis, a player must win 2 out of 3 sets to win a match. If a player wins the first 2…

A: The objective of this question is to find the expected number of sets played when Player V competes…

Q: An actress has a probability of getting offered a job after a try-out of 0.02. She plans to keep…

A:

Q: In women’s tennis, a player must win 2 out of 3 sets to win a match. If a player wins the first 2…

A: The objective of this question is to find the expected number of sets played when Player V competes…

Q: One of the 3 shooters is randomly chosen to hit the target once. For each shooter the probabilities…

A: E1: First shooter        P(E1) = 1/3 E2: Second Shooter  P(E2) = 1/3 E3: Third Shooter     P(E3) =…

Q: Suppose a basketball player has a free throw success rate of 75%. If she takes 4 free throws in a…

A: given that, a basketball player has a free throw success rate of 75%.

Q: You want to purchase a DVD drive for your laptop computer. Assume that 55 ​% of the drives are made…

A:

Q: A manufacturer claims that a new drug is 85% effective. If the drug is given to 10 patients, find…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: In a recent survey, 80% of the citizens in a community favored the building of a post office. If 15…

A: Solution

Q: SHOW COMPLETE SOLUTION. If 30% of the bolts produced by a machine are defective, determine the…

A: Given,n=4p=0.3q=1-0.3=0.7A random variable X~Binomial(n=4 , p=0.3)P(X=x)=4x0.3x0.74-x  ;…

Q: chance that she’ll get the job. Eric has applied for a job at Facebook. There’s a 60% chance that…

A: Let A denote the event that sally gets a job. Let B denote the event that Eric gets a job. There is…

Q: Suppose 15% of cereal boxes contain a prize. You are determined to buy cereal boxes until you win a…

A: Given:  p = 0.15 Let X represents the number of cereal boxes X follows geometric distribution

Q: You buy a milkshake from a shoppe that only has chocolate, vanilla and strawberry flavors. Find the…

A: Shoppe has only chocolate, vanilla and strawberry flavor. Number of flavors =3 We have to find the…

Q: At a local high​ school, 15​% of the students have blue eyes. Each​ day, 9​% of the​ blue-eyed…

A: Given : At a local high​ school, 15​% of the students have blue eyes : P(Blue) = 0.15   Each​ day,…