2) A pharmaceutical factory has 8 contacts for the wholesale of medicine, and the company believes that for each contact the probability of making a sale is A%. Find the probability that the company makes: a. Find the probability that the factory makes at least two sales. b. Find the probability that the factory makes no sale. c. Find mean, and variance.

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

Q: Sales representatives at a car dealership were split into two groups. One group used an aggressive…

A: We have to find the probability for favourable outcomes = sale using aggressive approach Total…

Q: A monk crossbred plants, which can have purple or white flowers, and obtained 600 plants with white…

A: The number of white flower plant are 600. The number of purple flower plant are 250.

Q: If the firm stated that 30% would buy if contacted at home. What is the probability of the sales…

A:

Q: O Find the probability that between 25% and 50% of the sample 100 CrossFitters has post- graduate…

A: Given information- Population proportion, p = 0.40 Sample size, n = 60 d) We have to find the…

Q: The following table lists the number of unicyclists in Corvallis, OR. by age group. Age Group…

A: From the provided information, Total frequencies = 35 + 34 + 19 + 34 + 55 + 28 + 44 = 249 Frequency…

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A:

Q: A random set of people who have pets were polled to see if there was a correlation between gender…

A:

Q: Construct a probability distribution of the data below. A delegation of three is selected from a…

A: Given: A delegation of three is selected from a city council made up of 5 liberals and 4…

Q: In a government aid program, the following data is collected. Of the people who attend the program,…

A: We have to find out given probabiity..

Q: a. What is the probability that you get the first heart on the 7th turn? b. How many turns are…

A: Given: There are 3 hearts, 7 clubs, 2 spades in a deck of cards. Total cards, n=12

Q: The table below show institutions of higher educations in Singapore by states and type.…

A: As per our company guidelines we can solve first three subpart of question and rest can be reposted.…

Q: The frequency distribution for the staff at a small company is: Employees  Frequency secretaries  4…

A:

Q: 3/ A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Let us denote A= automobile  H= house  Given that P(A)=40%=0.40  P(H)=45%=0.45 P(A and H)=20%=0.20

Q: a. What is the probability that the mean price for a sample of 30 federal income tax retums is…

A: here given , mean  = 273  standard deviation  = 100 here use excel command for probability from…

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: From the table, we see that (4+3)=7 students have a brother. Among them, 4 students also have a…

Q: A doctor's office surveyed patients about their eating and exercise habits. The responses are…

A: According to given figure probabilityP of patients reported eating healthy or exercise regularity is…

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A:

Q: subjects who have received and not received a speeding ticket in the last year, and the color of…

A: From the available information , the table is,   Red car Not red car Total Speeding ticket 45…

Q: A supermarket employs Cashier, Salesman and Supervisor. The distribution is shown below. Gender…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: A teacher at Soledad Prison has 22 thugs in his class, including the “extra-mean” thugs Bluto,…

A: We have to use hypergeometric distribution to find the probabilities.

Q: The following data contains regarding the preference in type of vehicle and gender.…

A: Solution: Let us write the table with row and column totals.   Sedan Coupe SUV Pickup Minivan…

Q: A survey of students was conducted to study the relationship between the types of housing a student…

A: Last Option is correct 54.81%

Q: A group of high school students reports who has a job and who plays sports. The information is…

A: Conditional probability: If A and B are the two events, then the conditional probability of A and B…

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: The radio broadcast of AM station KTBC can be heard in the neighboring towns of Waterville and…

A:

Q: The table summarizes the number of public schools in two California counties in 2017. County Los…

A: Given data is School Country   Los Angeles San Diego Total Elementary 1395 498 1893 Middle…

Q: a). What is the probability of randomly selecting someone in the 20-29 age group or someone who…

A: As per our guidelines, we are allowed to answer first three sub-parts. Thansks The following is the…

Q: 11,12,13

A: 11. Consider X be a random variable which follows normal distribution indicates the number of…

Q: If the probability that a bomb dropped from a place will strike the target is 40% and if 20 bombs…

A:

Q: The table below shows the distribution of books on a bookcase based on whether they are nonfiction…

A: Given,   Hardback Paper Total Non Fiction 15 8 23 Fiction 13 59 72 Total 28 67 95

Q: Sales representatives at a car dealership were split into two groups. One group used an aggressive…

A: Given,   The given table summarizes the records for 670 customers.

Q: The following data contains regarding the preference in type of vehicle and gender.…

A: we are suppose to answer three sub parts .

Q: It is known that only 25% of college football players are considered as strong candidates for the…

A: Given p=25%=0.25  n=15 X~Binomial(n=15,p=0.25)

Q: You have the following information about voters attending a political meeting: Pop. Size Probability…

A: Solution: Randomly choose one attendee to speak with about his or her political views.  The…

Q: 7. Consider the following probability model used to describe the technology people use to check…

A: Result:  Sum of all probability =1

Q: First-destination jobs for business and engineering graduates are classified by industry as shown in…

A:

Q: In a class of students, the following data table summarizes how many students have a cat or a dog.…

A: Given   Has a cat Does not have a cat Has a dog 5 3 Does not have a dog 15 4

Q: Suppose that a customer research organization has studied the service under warranty provided by the…

A: Given information: The are total number of tire dealers in a large city(n)=200.   Good service…

Q: A sample of residents of Santa Monica were asked two questions, whether they had taken a course at…

A: A sample of residents of Santa Monica were asked two questions, whether they had taken a course at…

Q: The following table describes the smoking habits of a group of asthma sufferers ​ Nonsmoker (NS)…

A: Given   See the table

Q: (a) What percent of the department faculty have 5 or more years of service? Answer: (b) If a member…

A: Given, Class Frequency 0-5 10 5-10 3 10-15 11 15-20 11 20-25 7 25-30 8 Total  50…

Q: a. Give the link of online survey and summarize the data in the following table. Favorite Social…

A: Given Data: Social media/ Gender Male Female Total WhatsApp 2 0 2 Instagram 4 1 5 Twitter 0…

Q: The following table gives the wealth and percentage population in various regions of a fictitious…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Frieda made the following two-way table about the color and size of the marbles in a bag. Blue Red…

A: Given that,Frieda made the following two-way table about the color and size of marbles.

Q: The following table lists the number of unicyclists in Corvallis, OR. by age group. Age Group…

A:

Q: For the age group 40-59, what is the probability of ending up in Intensive Therapy for each of the…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: d) What is the probability that at least two different shifts will be represented among the selected…

A: Probability is the likelihood occurrence of the event. Possible arrangement of observation can be…

Q: A survey of students was conducted to study the relationship between the types of housing a student…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.