Suppose that 71% of the surface of the Earth is covered in water, and a random number generator uses latitude and longitude to select a random location on the Earth. If 6 locations are generated, what is the probability that at least 1 of those locations is over land? 0.0006 0.1281 0.8719 0.9994

Q: 2. A particular telephone number is used to receive both voice calls and fax messages. Suppose that…

A:

Q: In a certain voting precinct, 81% of voters are registered democrats. what is the probability that,…

A:

Q: A campus program evenly enrolls undergraduate and graduate students. If a random sample of four…

A:

Q: Suppose that a randomly selected holiday-travel insurance claim is fraudulent with probability 0.37.…

A: Let p be the probability of being fraudulent. Given that p = 0.37 Let X denote the number of…

Q: 40% of homeowners own AC. If 15 people are selected at random, what is the probability that at most…

A: We have given that the Binomial distribution with parameters p=40%= 0.40 and n=15.   The pmf of…

Q: A cookie is selected at random from a basket containing 27 peanut butter ​cookies, 16 caramel…

A: Given info: The basket contains 27 peanut butter ​cookies, 16 caramel ​cookies, 11 sugar ​cookies,…

Q: A retail variety store that advertises extensively by mail circulars expects a sale with 20%…

A: From the provided information, A retail variety store that advertises extensively by mail circulars…

Q: A certain area of the Middle East is subject, on average, to a number of 6 sandy storms per year.…

A:

Q: A college claims that 70% of students receive financial aid. Suppose that 4 students at the college…

A: Let X denote the number of students receive financial aid and it follows binomial distribution with…

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A:

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: Ffgg

Q: In a table of random digits such as Table 7.1 (below), each digit is equally likely to be any of 0,…

A: In a table, there are 10 digits in total. Since the occurrence of each digit is equally likely then…

Q: In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students selected…

A:

Q: 3. A recent report was issued that suggested 45% of all cell phone calls in 2022 will be scams.…

A: The provided information is  n=500 p=0.45 X~B(n=500,p=0.45)   The mean and variance is…

Q: A retail variety store that advertises extensively by mail circulars expect to sell with 20%…

A:

Q: Suppose that when a new machine is functioning well, 92% of the items produced are non-defective.…

A: From the provided information, The probability of non-defective item = 0.92 Probability of defective…

Q: Suppose that on a certain messaging service, 4.63% of all messages fail to send. Thus, in a random…

A:

Q: In the city of Raccoon City, 65% of the population have been infected by a mutagenic pathogen known…

A: Here we need to find the probabilities associated with the corresponding binomial distribution.

Q: Out of 16 seeds of a new plant strain, only 4 sprout. What is the experimental probability that a…

A: Question is solved.

Q: Five cards are drawn from a standard 52-deck of cards.  Calculate the probability that there is…

A:

Q: According to one study conducted at the University of Texas, 70% of all Americans can do routine…

A: p = 0.7 n = 8

Q: The residents of a small town and the surrounding area are divided over the proposed construction of…

A:

Q: Seventy five percent of students at a collage with a large student population of Size 100 use the…

A:

Q: A cookie is selected at random from a basket containing 16 sugar ​cookies, 28 peanut butter…

A: Ans --> Given, A cookie is selected at random from a basket containing 16  sugar cookies,  28…

Q: A box in a supply room contains 24 compact fluorescent lightbulbs, of which 8 are rated 13-watt, 9…

A:

Q: In a certain community, on a particular weekday evening, the television is being watched in 85% of…

A: Givenp=0.85sample size(n)=15Let "x" be households watching…

Q: An electronics parts company tests parts daily to see how many parts are faulty. Faulty Not faulty…

A: From the provided information,   Faulty Not faulty Total Day Shift 27 672 699…

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: This is a case of binomial probability. The formula for binomial probability is shown as follows: ,…

Q: On a circuit board, there are 50 chips of which five are defective. If 15 chips ar selected at…

A: .Given data,Total number of chips n=50Defective chips           x=5p=xn=550=0.1If n=15P(X≤2)=?

Q: In a certain community, it is accepted that 85% of households are two-income households. You select…

A:

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A:

Q: 56% of Americans are active voters. If a sample of 40 random Americans is selected, what is the…

A:

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A: Here it is given that A spinner is split up into 4 colored areas of the same size red, blue, green,…

Q: A retail variety store that advertises extensively by mail circulars expects a sale with 20%…

A: Given datan=30p=20%

Q: Suppose that Revenue Canada will audit 20% of income tax returns reporting an annual income of more…

A: Given,n=15p=0.2q=1-p=1-0.2=0.8A random variable X~Binomial(n=15 , p=0.2)P(X=x)=15x 0.2x0.815-x     ;…

Q: A survey of the membership of a country club indicates that 50% regularly use the golf course, 34%…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:…

Q: 13) Find the probability that a randomly selected tea is West.

A: let us first calculate the total number of tea the total number of tea is 180 and the probability of…

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected…

A:

Q: How many people need to attend a party for there to be a > 80% probability that at least two of them…

A: Given information: The probability that at least two of the people share the same birthday is 0.8.

Q: Suppose that three microchips in a production run of forty are defective. A sample of five is to be…

A:

Q: A cookie is selected at random from a basket containing 10 peanut butter ​cookies, 8 caramel…

A: From the provided information, The basket contains 10 peanut butter cookies, 8 caramel cookies, 12…

Q: Assume 35% of dogs are adopted from a shelter. In a random sample of 500 dogs, what is the…

A: np=500×0.35=175 >5 nq=500×0.65=325 >5 We can approximate the normal probability

Q: Suppose that 35% of all business executives are willing to switch companies if offered a higher…

A: Given data: p =35% n =100

Q: A population consists of 15 items, 10 of which are acceptable. In a sample of four items, what is…

A:

Q: According to a study by the Centers for Disease Control and Prevention, about 33% of U.S. births are…

A: Let us assume that X=the number of Caesarean deliveryn=sample size=7p=probability of…

Q: A retail variety store that advertises extensively by mail circulars expects a sale with 20%…

A:

Q: In Norway, approximately 22% of vehicles are electric vehicles. Which is closest to the probability…

A:

Q: About 8% of males are colorblind. A researcher needs three colorblind men for an experiment and…

A: Given that, Probability p= 8%= 0.08 Then q= 1-p= 1-0.08 = 0.92 We've to find P(X>=3)  When n= 9…

Q: 2–83. A quality control engineer knows that 10% of the microprocessor chips produced by a machine…

A: