An oil company conducts a geological study that indicates that an exploratory oil well should have a 10% chance of striking oil. What is the probability that the first strike comes on the second well drilled?

Q: The probability that the supermarket will stop selling cereal is

A:

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: A financial analyst believes that if interest rates decrease in a given period, then the…

A: Let event A denotes that the interest rates will decrease in a given period And event B denotes that…

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: 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: A recent poll  found that 30% of those surveyed are worried about aggressive drivers on the road. If…

A: Given that, A recent poll found that 30% of those surveyed are worried about aggressive drivers on…

Q: What is the probability that one orders a meal that does not have juice?

A: Question 23: There are three main Couse, two side dish, and two drinks. The total possible outcomes…

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: What is the probability that Joanne will pass only one of her courses?

A: Let us define some events A : Joanne will pass Biology B : Joanne will pass English. It is given…

Q: A certain type of ochro seed germinates 75% of the time. A backyard farmer planted 6 seeds. What is…

A: Givenn=6p=0.75x~Binomial(n=6,p=0.75)P(X=x)=Cxn px (1-p)n-x  ; x=0,1,2...,n

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

A:

Q: Ten percent of the engines manufactured on an assembly line are defective. If engines are randomly…

A: Given: Let q be the percent of the defective engines manufactured on an assembly line. That is 10%…

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

A: It is given that n=100 and p=0.54.

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: What is the probability that the household does not own a cell phone or a computer?

A: Here Given  Two Events P= Household has a cell phone  C=Household has a computer

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: 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: 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: In the construction of midrise buildings, a safety engineer claims that only 40% of all workers wear…

A: Solve using Binomial distribution

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: In a recent year, 304 of the approximately 300,000,000 people in the United States were struck by…

A: a. In a recent year, 304 of 300,000,000 people in the United States were struck by lightning.

Q: In a classroom survey, 18 out of 30 students reported that they have a car. What is the probability…

A:

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: In a technology company, it is known that the average of network failure is 3 per week. What is the…

A: Let X denote the number of failures per week.  It is given that Average number of failures per week…

Q: In a recent survey, it was found that the median income of families in country A was $58,000. What…

A: Let X denote the income of families in country A. Given that median of X is 58000

Q: In a recent survey, it was found that the median income of families in country A was $57,700. What…

A: Median: Median is the middle value of the observations in the distribution when the data values are…

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: About one-fifth of the population of a town has blue eyes. About two-sevenths of the population has…

A:

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: If a person tests negative, what is the probability that the person is actually free of 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 politician running for Senate in California claims that only 34% of Californians approve of the…

A: Obtain the probability that more than 40% of those surveyed approve of the competitor. The…

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

A:

Q: Three percent of a given lot of manufactured parts are defective. What is the probability that in a…

A:

Q: = a girl plays soccer, what is the probability that she also plays basketball?

A: Given, To find the probability of a girl plays soccer and also plays basketball

Q: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

Q: If Kyle were to randomly select a girl to explain why she likes the sport chosen, what is the…

A:

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: In a technology company, it is known that the average of network failure is 2 per week. What is the…

A: Let X denote the number of failures per week.  It is given that Average number of failures = 2

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: 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: What is the probability that it rains tomorrow?

A: Here define events and draw tree diagram

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: 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…