An oil company conducts a geological study that indicates that an exploratory oil well should have a 20% chance of striking oil. What is the probability that the third strike comes on the seventh well drilled?

Q: What is the probability that a randomly selected ice cream was vanilla or was ordered on a Sunday?

A: The data is given by   Saturday Sunday Total Chocolate 4 10 14 Vanilla 3 7 10 Cookie dough…

Q: In a Gallup Survey, 90% of the people interviewed were unaware that maintaining a healthy weight…

A: Given Information: 90% of the people interviewed were unaware that maintaining a healthy weight…

Q: What is the probability that the accident occurred on either the evening or the graveyard shift?

A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32

Q: A fuel company conducts a geologic survey that has a 20% chance of striking an oil reserve. What is…

A: Given,A fuel company conducts a geologic surveythat has a 20% chance of striking an oil reserve

Q: What is the probability a car with an alarm system had a CD player?

A: Define some events A : car had CD player. B : car had alarm system. Given that P(A) = 0.64, P(B) =…

Q: What is the Probability that a student is not taking either class?

A: From the given Venn diagram, it is observed that the number of students who are taking art only is…

Q: what is the probability that you will live forever? what is the probability that an octopus will…

A: There are various types of events. One of them is impossible events. Events which are sure not to…

Q: The approach, to develop the binomial probability distribution, begins with the:

A: For binomial distribution, each trial has to be independent of each other and each trial must have…

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: a. Normal approximation to the binomial: From the given information, sample size, n = 250. The…

Q: A market research firm conducts telephone surveys with a 40% historical response rate.What is the…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: Although studies continue to show diabetes leads to significant health problems, 20% of adults in…

A: Introduction: Denote X as the number of sampled adults who have diabetes. Assume that the n = 250…

Q: Sixty percent of the tourists in London go to Buckingham Palace and forty percent visit Kensington…

A: Given Information: Sixty percent of the tourists in London go to Buckingham Palace i.e., P(BP) = 60%…

Q: What is the probability that an adult has a high BMI? What is the probability that an adult lives in…

A: ----------------------------------------------------------------------------------------------------…

Q: What's the probability that she eats ramen tomorrow?

A:

Q: On a five-day vacation, the forecast is a 55% chance of rain every day. What’s the probability that…

A: Let p denote the probability of rain every day = 0.55 Let n be days in an vacation = 5 Let the R.V X…

Q: If a person tests positive, what is the probability that the person actually has the disease?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: A biometric security device using fingerprints erroneously refuses to admit 1 in 1,800 authorized…

A: Let A be the event of authorised person and R be the event of refused access.Therefore, we have:

Q: Given that a Condo is purchased, what is the probability the mortgage is Adjustable?

A: The given summarized table is, From the table,  The probability of condo is purchased is,

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: In an eight-child family, what is the expected number of boys? (Assume that the probability of a boy…

A: Let, X= number of boys  number of observations = n =8  probability of a boy= p = 1/2  So, X follows…

Q: The first product of a test run was inspected and found to be non-defective. What is the probability…

A: Let us define some events A : the machine is correctly tuned. B : the machine is not correctly…

Q: Because of the current economic condition, a firm reports that 30 percent of its accounts receivable…

A: Given,n=5p=0.3X=no.of accounts are overdueX~Binomial (n=5 , p=0.3)P(X=x)=cxn pxqn-x  ; x=0,1,2,....n…

Q: What is the probability that a randomly selected friend tasted peaches and preferred non- organic?

A: The data is given by   Organic Non-organic Total Apples 4 3 7 Peaches 4 1 5 Toral 8 4 12

Q: What is the probability that thanksgiving falls on a thursday?

A: Thanksgiving day:It is known that Thanksgiving is always celebrated on fourth Thursday of November…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A: Obtain the probability that the first strike comes on the second well drilled.   The probability…

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: Standard normal score: If random variable X follows normal distribution then the standard normal Z…

Q: On the average, two tornadoes hit major U.S. metropolitan areas every year. What is the probability…

A: 8. Given that the average number of tornadoes hit major U.S metropolitan areas every year is 2. Let…

Q: What is the probability that a randomly selected student prefers the arts or does not prefer…

A:

Q: When drawing a card from a well–shuffled deck, all fifty–two cards are equally likely. What is the…

A: We know that, in a deck of 52 cards we have 4 suits namely, hearts, diamonds, spades, and clubs.…

Q: What is the probability that a randomly selected participant tasted peaches given that the…

A: Probability is the chance of occurrence of an event.

Q: The proportion of all customers at Pizza Hut who eat on-site is 75 percent. In a sample of 100…

A: Given that  n=100 , p=25%=0.25  , q=1-p=1-0.25=0.75 σp=√(p(1-p)/n)=√((0.25*0.75)/100)…

Q: What is the probability that A car requires a tune-up but not brake job.

A: At a tune-up and broke repair shop, the manager has found that a car will require the following…

Q: next problem with the production line diagnosed as being due to an initial repair that was…

A:

Q: What is the probability that a batch of serum survives the first departmental inspection but is…

A: A manufacturer of a COVID-19 vaccine is concerned about the quality of its flu serum. Batches of…

Q: The US population is 13% African American. If Americans, a) what is the probability that the sample…

A: Given: Population Proportion=p=0.13 sample size=n=500

Q: In the past 20 races, there was two A-class horses to participate in each race. And there was ten…

A: two A class horses participate in each race but only one can win championship. and out of 20 races…

Q: If you play, what is the probability that: You get at least one skull ?

A: here given, there are total 3 wheel  each wheel stop on single symbol, here outcome on each wheel…

Q: While watching a game of Champions League football in a cafe, you observe someone who is clearly…

A: Define some events A: person is born within 25 miles of Manchester B: person is not born within 25…

Q: About 8% of the US population catches the flu each season assuming everyone has equal probability of…

A:

Q: According to a recent article the average number of babies born with significant hearing loss…

A: The probability that exactly for babies were born deaf is obtained below:From the given information,…

Q: If a randomly selected company is a large company, what is the probability that it offered stock…

A: d) From the table it is clear that, There are 369 companies. Number of large company offered stock…

Q: a If a family now lives in an urban location, what is the probability that it will live in an urban…

A: Since there are multiple parts first part is answered step by step. Kindly repost for more help.

Q: What is the probability that they gave birth preterm, if you know they had adequate care?

A: Given that Total number of people = 278 Number of person who had adequate care and gave birth…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: What is the probability that it rains tomorrow?

A: Here define events and draw tree diagram

Q: What is the probability that a randomly selected female student abstains from​ alcohol?

A:

Q: What is the probability that a shopper will check prices online but not use online coupons or a…

A: Venn diagram uses circle to represent a set. The overlapping portions of circles represents the…

Q: The US population is 13% African American.  If you were to take a SRS of 500 Americans, what is the…

A: It is given that the sample size n is 500 and p hat = 0.13.

Q: Bicycles for hire at the Durban Beach front are deemed beyond repair when one or both its wheels are…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…

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.