In the old days, there was a probability of 0.7 of success in any attempt to make a telephone call. (This often depended on the importance of the person making the call, or the operator's curiosity!) Calculate the probability of having at most 8 successes in 10 attempts.

Q: The probability that an individual is left-handed is 0.19. In a class of 23 students, what is the…

A: Binomial distribution: The probability mass function (pmf) of a binomial random variable X is given…

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Given :70% of all adults over 50 wear glasses for driving

Q: In a fundraising event, 100 raffle tickets are sold, with 10 of them being winning tickets. If you…

A:

Q: In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. What is the…

A: In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. We have to find the…

Q: A pharmacist receives a shipment of 22 botries of a drug and has 3 of the bottles tested.4 of the 22…

A: Obtain the probability that exactly 1 of these tested bottles is contaminated.   The probability…

Q: Use the data given in the table below to compute the probability that a randomly chosen voter from…

A: we are given a table: we have to find the probability that a randomly chosen voter from the survey…

Q: Based on her experience, a professor knows that the probability distribution for X number of…

A: Consider the given information.

Q: The amount of juice (oz.) dispensed by the malfunctioning Keurig in the main office of the Math…

A: Let X be the amount of juice (oz.) dispensed by the malfunctioning Keurig in the main office of the…

Q: After giving an exam to a group of students, the grades and gender are summarized below. Grades vs.…

A: The contingency table is given as follows:   A B C Row Total Male 6 11 4 21…

Q: The probability that an individual is left-handed is 0.190. In a class of 17 students, what is the…

A: It is given that,  The probability that an individual is left-handed is 0.190  i.e. p=0.190 We have…

Q: The Denver Post reported that, on average, a large shopping center had an incident of shoplifting…

A: Given,on average, a large shopping center had an incident of shoplifting caught by security 1.4…

Q: You purchase boxes of cereal until you obtain one with the collector's toy you want. If, on average,…

A: given that an average, a toy is getting in every the 22nd cereal box. Consider that n is defined as…

Q: telemarketing company gets on average 6 orders per 1000 calls. If a company calls 500 people, find…

A:

Q: The manager at Mugg & Bean has been recording the behaviour of their customers with regards to…

A: #probability that a customer will buy a cup of coffee is 0.8. A customer buys a muffin 50% of the…

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A:

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Given,n=10p=0.7q=1-0.7=0.3A random variable X~Binomial(10 , 0.7)P(X=x)=Cx 0.7x0.310-x  ;…

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A: Option (a) is right.

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: A random variable x is following the binomial distribution with the following probability mass…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: From experience, an airline knows that only 72% of the passengers booked on a flight from New York…

A: Given, p = 0.72 n = 7 r = 4 From the given information it follows binomial  distribution.       To…

Q: (2) Of those mountain climbers who attempt Mt. McKinley, only 65% reach the summit. In a random…

A: Given data,p=65%=0.65n=16

Q: An office receives 20 faxed orders every two hoursWhat is the probability that more than 12 minutes…

A: On an average, an office receives 20 faxed orders every two hours. To find: Probability that more…

Q: A1. b. In a town with 10,000 populations, they got a call to test a certain disease that has an…

A: Given : Total Population = 10,000 Incidence rate = 4% Therefore, Probability that the person has…

Q: At Roberta's cafe half of her regular customers order her famous low-fat chicken sandwich. The…

A: Consider the following events A : someone regularly ordered the sandwich. B : someone losing weight.…

Q: d)  For which temperature is the probability 0.075 that it will be exceeded during one day?

A: d) The probability value is 0.075.

Q: In a state where cars have to be tested for emission of pollutants, 25% of all cars emit excessive…

A:

Q: Using historical records, the personnel manager of a plant has determined the probability of X, the…

A:

Q: c. Find the probability that a patient randomly selected from the study had cancer OR was on the…

A: (c )   Obtain the probability that a patient randomly selected from the study had cancer OR was on…

Q: What is the probability that out of 175 chicks hatched on Peeper Farm, at least 80 will be female?…

A:

Q: Use the following information to answer the question. Suppose that the probability that a person…

A: Let "X" be the person who books a hotel using an online travel website.

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

Q: The theoretical probability of event E, denoted by_______ , is the________ divided by the_______.

A:

Q: A cafe receives an average of 4 orders of Mocha Frappe every 5 minutes. What is the probability of…

A: Poisson distribution : The random variable x defines number of events that occur in an interval…

Q: An airline knows from experience that the distribution of the number of suitcases that get lost each…

A: Given Data Population Mean,μ = 15.7 Population Standard Deviation,σ = 3.3

Q: The following data show the probabilities for the number of cars sold in a given day at Alex's car…

A:

Q: In a recent survey, 69% of the community favored building a police substation in their neighborhood.…

A: Formula : Binomial distribution is given by

Q: he average weight of a Coastal male Grizzly Bear is approximately normal with E(x) =795 pounds and…

A:

Q: (a) To the nearest 0.01, what is the probability that a randomly selected household has an income…

A: here AS per POLICY I HAVE CALCULATED 3 SUBPARTS PLZ REPOST FOR REMAININIG here given mean = 71394$…

Q: The odds against an event E occurring are 4 to 3. What is the probability that E will occur?

A: Odds against of event E=4:3, where 4-non occurred and 3-occured

Q: In a recent survey, 60% of the community favored building a health center in their neighborhood. If…

A: given that n =14,p=0.6, p(x=5)=?

Q: It has been found from experience that am average of 6 customers use the drive-thru facility at a…

A:

Q: Of the 82 grade-12 students at a school, 22 are taking Physics. Suppose that 18 grade-12 students…

A: This is a binomial distribution. The problem is solved using the probability distribution function…

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A:

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A: Given that, P(D) = 0.680 D is directly in person.

Q: The following data show the probabilities for the number of cars sold in a given day at Alex's car…

A:

Q: mber is used to receive both voice calls and fax message

A: Here it is given that- Total number of sample (n) = 25 Sample proportion (p) = 30100=0.3 As n and p…

Q: The table below describes the number of adults in groups of five snores while sleeping. x P(x) 0…

A: Assume, X represents the number of adults who snores while sleeping in the group 5 adults. The…

Q: A commuter must pass through 5 traffic lights on her way to work each day, and will have to stop at…

A: Given:

Q: Below, the two-way table is given for a class of students. Freshmen Sophomore Juniors Seniors Total…

A: Given that contingency table Now using this table find required probability.

Q: An aircraft seam requires 26 rivets. The seam will have to be reworked if any of these rivets is…

A: Given Number of rivets =26

Q: In Arkansas, 30 percent of all cars emit excessive amounts of pollutants. The probability is 0.95…

A:

Q: The probability of a hurricane hitting Houston is 1 in 18. The probability of any hurricane being…

A: Given that  P(a hurricane hitting Houston) = 1/18  P(hurricane being category 3 or higher) = 3/10…

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.