Apply the necessary formula to solve the stated problem. Show your solutions. 1. The University Marketing Head has conducted a pre-survey of selected students. Of 4,860 randomly selected students, 2,140 have said they preferred business related coursed. With 90% confidence, what interpretation can be made regarding the probability that all the students want to enroll in business related courses?

Q: 4. Answer the following questions about probabilities. a. Can the number 0.12 be the probability of…

A: a. Can the number 0.12 be the probability of an event? Explain.Yes, the number 0.12 can be the…

Q: obi has recently hired a batch of new employees. Of the new recruits, 77% were able to meet…

A: Given: Let E denote met expectations C denote knew coding P (E) = 0.77 P (E') = 1 - P(E)          =…

Q: A weighted coin has a 62% chance of landing on heads.  You decide to flip the coin 3 times.…

A: Probability of landing on head = 0.62 Probability of not landing on head = 0.38 n = 3

Q: Eighteen percent of adults in Austria have completely paid off their house mortgage. You randomly…

A: Let X denote the number of 10 adults have completely paid off their house mortgage. Then X follows a…

Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 8 seeds are planted,…

A: There is a 90% chance of growing into a healthy plant.

Q: a. 5 or 6 of them pay cash b. at most 1 pays cash

A: Given : Percentage of customers who pay cash for their purchases is 30% , p = 0.3 Sample size, n…

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: You are randomly selecting a sample of 15 participants for your research. The probability of…

A:

Q: Hospital records show that 75% of the patients will recover from a certain disease.             i.…

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

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: Suppose the budget has the support of 54​% of the voters. What is the probability that the​…

A: The proportion of population in support follows normal distribution with mean 0.53 and standard…

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

Q: A sleep clinic sees 10 new patients a day. Approximately 45% of patients are diagnosed with sleep…

A: given data  sample size (n) = 10 P(disgnose with sleep apnea) = p = 0.45 x = no. of patients have…

Q: A student takes a 20-question, true/false exam and guesses on each question. Find the probability of…

A: Introduction to binomial distribution:Consider a random experiment involving n independent trials,…

Q: the sales manager knows that 13% of his clients do not pay their debts in full. He supposes that he…

A: We have to find out the given probability that 9% or more will not be fulfilled in their…

Q: Q1. A multiple choice test contains 10 questions, each with four answers. Assume a student just…

A:

Q: Q13. In a bet, you have 40% probability of losing $15. What should the potential winnings from such…

A: From. The above data  We are given that the  n= 15 P = 0.40

Q: Just before a referendum on a school​ budget, a local newspaper polls 357 voters to predict whether…

A: Given, n = 357 p = 53% = 0.53

Q: 34% that a stock investement will end up in a total loss what is the chance that 1 of 3 investments…

A: It is given that, 34% that a stock investment will end up in a total loss. It means that the…

Q: i. what is the distribution of the sample proportion (?̂)? Justify your answer. ii.what is the…

A: Here given  Best Property Management estimated that 55% of its individual investment accounts are…

Q: Justify an answer

A: To solve this problem, we can use the binomial probability formula, as we are dealing with a…

Q: Market research has shown that 60% of persons who are introduced to a certain product actually buy…

A: i. The variable of interest in this scenario is "sell of a product introduced in the market".

Q: 2. Rohan, the bookworm plans on reading 8 books by next week. But he only reads novels poetry, short…

A: Given See the handwritten solution

Q: In a major city, between 2012 and 2017, the police made 300,000 (what are called) investigatory…

A: Note: Hey there! Thank you for the question. We do not have access to the math plug-ins mentioned in…

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: Given:  In one of the biggest schools in Metro Manila, 80% of their high school students are known…

Q: he bombardier Q400 has seating capacity for 76 passengers. A study finds that 93.6% of passengers…

A: The Flight has a capacity of  Horizon Air decides to book 80 passengers for this flight to maximize…

Q: For an outdoor art and craft show, event organizers estimate that 60,000 people will attend if it is…

A: Let, X=number of people that will attend the show  Given that probability of raining = 70%=0.70…

Q: 3. Victoria went to the store and bought 12 pieces of chocolates. She bought 5 pieces of dark…

A: Note: As we are entitled to solve one question at a time, please submit other questions one at a…

Q: 4. 66% of Americans support death penalty (Gallup, 2004). Seven people are randomly selected. Let…

A: Given that  n=7 , p=66%=0.66 X~Binomial(n=7,p=0.66)

Q: Just before a referendum on a school​ budget, a local newspaper polls 424 voters to predict whether…

A: It is given that ,just before a referendum on a school​ budget, a local newspaper polls 424 voters…

Q: During a basketball game, Tatiana is shooting two free throws. Tatiana makes 91% of their free…

A:

Q: Records in the city of Makati shows that the average number of stores closing in a year due to loss…

A: Given problem Given that   Record in the city of Makati shows the average number of stores closing…

Q: When Donald Trump was campaigning for President , 65% of constituents supported his policy on…

A: Solution: From the given information, p=0.65 and n=100.

Q: A believes that for each contact the probability of making a sale is A%. Find the probabilit the…

A: The probability mass function of the Binomial distribution is,  The mean and variance of the…

Q: 5. A multiple-choice test contains 25 questions, each with four answers. Assume a student just…

A:

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.