competition. 2. Three unbiased coins are tossed simultaneously. Sunoour n X represents the number of tails obtained. (a) List the elements of the binomial discrete random variable X. (b) Calculate the probability of each of the elements of X. (c) Hence, plot a graph to represent the binomial probability distribution of X. 3 The analysis of SPM results in a school shows

Q: T-mobile has in stock 6 iPhones and 5 Galaxies. Four people come to T-mobile to purchase a phone.…

A: (a) The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number…

Q: Suppose a random sample of ten 18-20-year-olds is taken. Is the use of the binomial distribution…

A: Hi there! Thanks for the question, since there are multiple subparts, we have solved first three…

Q: 1. A random experiment consists of throwing 4 equal coins, if X is the number of tails: a. Find the…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: 2. The height of grade 1 pupils are approximately normally distributed with u= 45 inches and a=2. a.…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: In the following situation, what sort of probability distribution would most likely be utilized to…

A: It is needed to obtain the required probability distribution.

Q: 1. Is the graph shown a probability distribution of a discrete random variable? Why or why not?

A:

Q: Which of the following situations will result in probability or non-probability sampling? 1.…

A: Probability sampling: Probability sampling techniques are based on a random selection where each and…

Q: In a gambling game, a woman is paid $3 if she draws a jack or a queen and $5 if she draws a king or…

A: Given : In a gambling game, A women is paid  $3( if she draws a jack or a queen) And $5 if she draws…

Q: 2. In November 1994, Intel announced that a subtle flaw in its Pentium chip would affect I in 9…

A:

Q: C. Assume that in a group of 12 individuals, seven prefer football and five prefer cricket. A random…

A: Given, Total no. of individual N=12. No. of individual who prefer football r=7 No. of individual who…

Q: 4.25 A local hospital estimates that the number of patients admitted daily to the emergency room has…

A: given data x = No. of patients admitted daily λ=4 p(x=X) = e-λ(λ)xx!     - poision distribution

Q: Forty-two percent of primary care doctors think their patients receive unnecessary medicalcare…

A: From the provided information, 42% of primary care doctors think their patients receive unnecessary…

Q: 1)- The marketing director for a small manufacturer of personal computers (PCs) believes that the…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: Example 7 A sample of four chocolate bars are randomly selected from a box of ten. Six of the…

A: Given that,  a sample of four chocolate bars are randomly selected from a box of ten. Six of the…

Q: 4.53 The number of defective circuit boards coming off a soldering machine follows a Poisson…

A: Poisson distribution : The Poisson distribution is the discrete probability distribution of the…

Q: 2.) Air America has a policy of routinely overbooking flights, because past experience shows that…

A:

Q: .Roughly 1% of American women are tall (over 6 ft in height). We take a random sample of 121 women.…

A: We have given that  p= 1%=0.01 Sample size n= 121

Q: Q2:- A bowl contains three M&Ms, one red, one blue and one green. A child selects three M&Ms at…

A: Given : Bowl contains 3 M&M's Number of red=1 Number of blue =1 Number of green =1

Q: 3.25 Underage drinking, Part I: Data collected by the Substance Abuse and Mental Health Services…

A:

Q: The table shows the​ distribution, by age and​ gender, of the 31.5million people in a certain region…

A: The number of females in the age 18-24 is 0.6 and the number of people in the age 18-24 is 1.5.

Q: A public interest group hires students to solicit donations by telephone. After a brief training…

A: (a) Obtain the probability that at least 2 of the 5 will give up in the first two weeks. The…

Q: as the sample. Contingency Table: Athletic Shoe Sandals Dress shoes Other Total Men 28 6. 8. 12 54…

A: Total no. of people = 130 No. of ways of choosing 2 people out of 130 = 130C2 a) No. of people…

Q: 4.18 Chicken pox, Part I. The National Vaccine Information Center estimates that 90% of Americans…

A: Consider the random variable  be the number of American adults had chickenpox follows the binomial…

Q: 4. In a single throw of pair of coins, what is the probability that only one head will appear? a. b.…

A: Since you have posted multiple questions , we will solve first question  for you. To get the…

Q: 6. Suppose that 25% of all subscribers to a business magazine earn an income of more than $75,000.…

A: Given that  n=20 , p=25%=0.25 , q=1-p=1-0.25=0.75 p=Probability of income more than $75000…

Q: 3) The number of customers in a bank follows a Poisson Distribution with mean 5. What is the…

A:

Q: 1)- The marketing director for a small manufacturer of personal computers (PCs)'believes that the…

A: We know that, Mean =(summation Yi*p(y)) And Variance=E(Y2)-mean2  Where E(Y2)= (summation Yi2*p(y))…

Q: Recent records show that 40% of candidates become unsuccessful in Whelers Hill rescu training…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: d) What is the probability 3 or less destitute households (out of 100)? e) Display a Table and a…

A: The Poisson process is the extension of binomial distribution. It is a type discrete probability…

Q: A small-business Web site contains 100 pages and 60%, 30%, and 10% of the pages contain low,…

A:

Q: Forty-two percent of primary care doctors think their patients receive unnecessary medicalcare…

A: a. The given information is that random sample of 300 primary care doctors is taken. The percentage…

Q: An auto insurance company estimates that 50% of its auto insurance claims involve fraud. An auditor…

A: Given Information: n=6p=50%=0.50

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: Consider a binomial probability distribution with p=0.35 and n=7. What is the probability of the…

A: We want to find the probability X~B(n=7,p=0.35) (a) P(X=3)= ?  (b) P(X<3)= ? (c) P(X>=5)= ?

Q: Better Business Bureau Complaints. In 2016 the Better Business Bureau settled 80% of complaints they…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: An investment analyst collects data on stocks and notes whether or not dividends were paid and…

A:

Q: (Q5)/(A) If you know that 75% of the students in a college are males, and a random sample of 30…

A:

Q: Shoppers at Pageturner's Bookstore are tracked, with the following results: 34% visit the…

A:

Q: Which of the following is not a Discrete Random Variable?    a. Rain   b. Number of Books in the…

A: Discrete Random variable: discrete random variableis variable it takes coutable number of…

Q: 2. The table shows the political affiliations and types ofjobs for workers in a particular state.…

A: From the given information, there are 14% of workers that are white-collar with democrat party.

Q: 4.18 Chicken pox, Part I. The National Vaccine Information Center estimates that 90% of Americans…

A: The binomial distribution is discrete probability distribution which deals the probabilities of…

Q: 13. Consider a town in which 90% of the taxis are blue and 10% are green. One night a taxi hits a…

A: Let us define the events.  A=taxi is greenB=taxi is identified as green Probability that a taxi is…

Q: 4. The salaries of UConn professors is approximately normally distributed. Suppose you know that 33…

A: Given: P (X < 80000) = 0.33 P (X > 120000)= 0.33 X is normally distributed

Q: Which probability distribution would you use to calculate the probability of success or failure of…

A: Binomial random variable: When the random variable is discrete and counts the number of successes…

Q: A public interest group hires students to solicit donations by telephone. After a brief training…

A: Given: 70% of students give up their jobs in their first two weeks of employment. The group hires 6…

Q: me, the gamer wins 20 dollars if he gets the number "6" facing up in rolling a fair die; he needs to…

A: The probability of winning in any trial is 1/6   The number of success = 3

Q: Which of the following is NOT a random variable?

A: We have given the multiple choice question about the random variable. Which of the following is not…

Q: Which of the following situations will result in probability or non-probability sampling?…

A: 1. results : Probability Sampling Selecting every fourth person from a busy road is an example of…

Q: 11. A pediatrician records the number of ear infections that his patients have during the winter. A…

A: Solution According to guidelines we solve only first question