John runs a computer software store. Yesterday he counted 137 people who walked by his store, 68 of whom came into the store. Of the 68, only 45 bought something in the store. c). Estimate the probability that a person who walks by the store will come in and buy something. d). Estimate the probability that a person who comes into the store will buy nothing.

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: Marcia has applied to two different university programs.  She estimates the probability of being…

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

Q: A high school baseball player has a 0.241 batting average. In one game, he gets 8 at bats. What is…

A:

Q: A high school baseball player has a 0.158 batting average. In one game, he gets 8 at bats. What is…

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

Q: he 16 members of the Visual Arts council are seated for a presentation.  Determine the probability,…

A: The 16 members of the Visual Arts council.They are seated for a presentation.The objective is to…

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: Suppose you have 10 tennis balls and you randomly pick some number of them. What is the probability…

A: Given the event that there are 10 tennis balls and one randomly pick some number of them.

Q: 52% of dogs enjoy biting the mailman.  Select 5 random dogs.  Find the probability at least 1 enjoys…

A:

Q: A high school baseball player has a 0.302 batting average. In one game, he gets 8 at bats. What is…

A: Solution: Let X represent the number of hits made by player in the game.  The baseball player has a…

Q: The probability of getting a girl is .541. What is the probability of having at least 2 girls?

A: A couple is planning on having 5 children. The probability of getting girl is 0.541. Probability of…

Q: Construct a 95% confidence interval for the population proportion of adults who believe in UFOs.…

A: Let p be the population proportion of adults who believe in UFOs.Given that,Sample size Favorable…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: ass, 75% of students are taking an English class, and 57% of students are taking both. Find the…

A:

Q: Yvonne tosses three coins. She is calculating the probability that at least one coin will land as…

A:

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A:

Q: A high school baseball player has a 0.22 batting average. In one game, he gets 8 at bats. What is…

A: Givenp=0.22sample size(n)=8Let "x" be no.of hits he get in the…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that, Male and female births are equally likely and that the birth of any child does not…

Q: A high school baseball player has a 0.231 batting average. In one game, he gets 9 at bats. What is…

A: A high school baseball player has a 0.231 batting average it means that they'll get a hit in any one…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Find the probability that the home has exactly 1 (a fireplace exclusive or a garage). Find the…

A: d. Suppose event F denotes that homes have a fireplace and event G defines that homes have a garage.

Q: Estimate the probability of the event. Of 1936 people who came into a blood bank to give blood,…

A:

Q: A high school baseball player has a 0.171 batting average. In one game, he gets 7 at bats. What is…

A: Given: Sample size (n) = 7 Probability of success (p) = 0.171 Probability of failure (q) =1-p =…

Q: Perros Richard de la 41 receives 5 home orders every 2 minutes. a. How many home orders are…

A: Answer: Using the given data,

Q: 10% of people born as girl . Calculate the probability that in a batch of 150 students,more than 130…

A:

Q: he probability that a student has a visa card is 81. The probability that a student has a masters…

A: Given data, P(Visa card)=0.81 P(Master card)=0.17 P(Visa and Master)=0.06 P(Visa or Master)=?

Q: A high school baseball player has a 0.145 batting average. In one game,  he gets a 8 at bat. What is…

A: The average batting of a player (p) is 0.145.

Q: Determine the probability that will get 4 green lights in a series of 5 lights.  Assume the chance…

A: Given: The total number of lights are n=5. The probability of a light being green is p=0.4. Let X be…

Q: An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket…

A: Let X be the number of persons holding a ticket appears for the flight.From the given…

Q: A high school baseball player has a 0.171 batting average. In one game, he gets 7 at bats. What is…

A: Given Information: A high school baseball player has a 0.171 batting average. In one game he gets 7…

Q: John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of…

A: Given Information: Number of people who walked by his store = 127 Ou of which 58 came in the store.…

Q: John runs a computer software store. He counted 120 people who walked by his store in a day, 50 of…

A: Given total 50, only 21 bought something in the store.

Q: A high school baseball player has a 0.246 batting average. In one game, he gets 8 at bats. What is…

A: Given information- We have given a problem of the binomial distribution. Batting average of a…

Q: A basketball player makes 160 out of 180 free throws. We would estimate the pro

A: Given that the basket ball player makes out of 180, 160 are free throws. That is, x=160 and n=180

Q: When women turn 40, their gynecologists typically remind them that it is time to undergo mammography…

A: The data is given as:     Breast Cancer No Breast Cancer Total Positive Mammogram 720 6944 7664…

Q: A high school baseball player has a 0.179 batting average. In one game, he gets 8 at bats. What is…

A:

Q: In a large school, it was found that 69% of students are taking a math class, 75% of student are…

A: Let A be the event found that a student taking a Math class. And B be the event found that a student…

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.