A very large bag contains more coins than you are willing to count. Instead, you draw a random sample of coins from the bag and record the following numbers of each type of coin in the sample before returning the sampled coins to the bag. If you randomly draw a single coin out of the bag, what is the probability that you will obtain either a quarter or a dime? Enter a fraction or round your answer to 4 decimal places, if necessary.  Coins in a Bag Quarters Dimes Nickels Pennies 23 21 22 34

Q: A class in advanced physics is comprised of 20 juniors, 30 seniors and 10 graduate students. The…

A:

Q: The concentration of particles in a suspension is 51 per mL. A 5 mL volume of the suspension is…

A: 1. The concentration of particles in a suspension is 51 per m L. A 5 m L volume of the suspension is…

Q: A group of people were asked if life exists elsewhere in the galaxy. 140 responded "yes", and 324…

A: It is given that, 140 responded "yes" and 324 responded "no" about life exists elsewhere in the…

Q: In a chocolate factory, 30% of all chocolates made contain caramel in the center.  (a) What is the…

A: Let chocolate made containing caramel be considered a success. Thus, p = probability of success =…

Q: In a local college, 70% of students have a part-time job outside of school. Suppose that we want to…

A: Here we need to find the following probabilities using binomial distribution.

Q: Every thirteenth box of Smash cereal that is produced contains a special toy. If you buy a box of…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: A shelf in the Metro Department Store contains 80 colored ink cartridges for a popular ink-jet…

A: From the provided information, A shelf in the metro department store contains 80 colored ink…

Q: Naval intelligence reports that 8 enemy vessels in a fleet of 22 are carrying nuclear weapons. If 9…

A: It is given that there are a total of 22 vessels and 8 out of 22 vessels are carrying nuclear…

Q: A shipment of pins contains 25 good ones and 2 defective ones. At the receiving department, an…

A:

Q: A box of jerseys for a pick-up game of basketball contains 1010 extra-large jerseys, 77 large…

A: We have given the following statement about the  We have  Extra- large jerseys = 1010. Large Jerseys…

Q: A life insurance salesman sells on the average 10 life insurance policies per week. i) What is the…

A: i) The random variable X is defined as the number of policies sold. The variable X has Poisson…

Q: A box contains 1212 large marbles and 1212 small marbles. Each marble is either green or white. 44…

A: Given that there are 12 large marbles and 12 small marbles.  4 of the large marbles are green. This…

Q: In the game of roulette, a wheel consists of 38 slots numbered 0, 00, 1, 2, ....,36. The…

A: Given: Total number of slots =38 Number of green slots = 2 (numbered as 0,00) Number of red slots =…

Q: A newly opened restaurant is awarding 23% of their new patrons with a complimentary lunch and the…

A: Define the Events, A : The person receives a complementary lunch B : The person orders online So, Ac…

Q: It has been found that 1 out of every 10 people who visit a retail website make a purchase worth…

A: Given: n=12p=110=0.1q=1-p=0.9 The probability that no more than three of the visitors will make a…

Q: Winston, a dog, loves to play fetch.  He catches each ball mid-air independently with probability…

A: It is given that n=4 and p=0.5.

Q: The City Transit Authority plans to hire 14 new bus drivers. From a group of 100 qualified…

A:

Q: A shelf in the Metro Department Store contains 100 colored ink cartridges for a popular ink-jet…

A: Let X denote the no.of defective cartridges and it follows binomial distribution with parameters…

Q: (a) What is the probability that the web site has fewer than 5 million visitors in a single day? If…

A: as per guidelines i have calculated 3 subparts here given ,Assume that the traffic to the web site…

Q: Approximately 9% of people are left-handed. If two people are selected at random, what is the…

A: Given data:     The given percentage of the people who are left-handed are: P(L)=9%=0.09.     The…

Q: nursing student is required to take an online quiz as part of her ongoing training. There are 10…

A: A question in the quiz has two options out of which one is correct The probability of a correct or…

Q: In a certain college, 33% of the math majors belong to foreign student. If 10 students are selected…

A:

Q: Teenagers account for 10% of the US driving population, but 12% of all drivers in car accidents are…

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

Q: At a very large university, 70% of students that apply are accepted. Suppose 18 applicants are…

A: Givenp=0.70n=18x~Binomial(n=18,p=0.70)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,...,n

Q: A box contains 11 large marbles and 14 small marbles. Each marble is either green or white. Five of…

A:

Q: Many people play a dice game in which 5 regular 6-sided dice are rolled. a. What is the probability…

A: Given, Many people play a dice game in which 5 regular 6-sided dice are rolled. Number of sample…

Q: A shelf in the Metro Department Store contains 100 colored ink cartridges for a popular ink-jet…

A:

Q: An urn contains three red, three black, and three green balls. If two balls are selected at random…

A: To work out the probability of the required event

Q: 4 out of 100 televisions in stock are defective. If you select two television la at random, find the…

A: It is given that the 4 out of 100 televisions are defective.

Q: Naval intelligence reports that 6 enemy vessels in a fleet of 18 are carrying nuclear weapons. If 8…

A: Hyper geometric distribution: In a population with N objects, M be the number of success event. A…

Q: A committee of 5 people is to be selected from a group of 6 men and 7 women. What is the probability…

A:

Q: Find the indicated probability. 12. In a blood testing procedure, blood samples from 5 people are…

A: ( 12 ) Given n =5, p =0.03 p(positive ) =?

Q: A box contains 11 large marbles and 14 small marbles. Each marble is either green or white. 5 of the…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: A company that manufactures video cameras produces a basic model and a deluxe model. Over the past…

A: Given data:   The percentage of the basic model camera sold is: P(B)=40%=0.40 The percentage of the…

Q: A bag has 7 fuchsia marbles, 4 teal marbles, 4 purple marbles, and 2 maroon marbles. If you choose 5…

A:

Q: A town recently dismissed 6 employees in order to meet their new budget reductions. The town had 6…

A: Given data: The numbers of employees dismissed are d=6. The numbers of employees over 50 years are…

Q: A wholesaler has purchased electronic parts from a supplier for several years and has found that 10%…

A: Formula : Binomial distribution is given by

Q: Five cards are drawn without replacement from a deck of cards containing four spades and five clubs.…

A: Given: The total number of spades are 4. The total number of clubs are 5. The total number of cards…

Q: rolled three

A:

Q: Two hundred people apply for three jobs. 80 of the applicants are women.(a) If three persons are…

A: From the given information, Total number of candidate (n) =200 Number of women (x) = 80 Number of…

Q: On a typical Wednesday in May, an average of 4 visitors per minute come to the Blue Lagoon. What is…

A: Given: λ=4 The probability that there will be exactly four guests in the next minute is obtained as…

Q: An allergist claims that 50% of his patients suffer from some type of allergy. a) What is the…

A: Given : An allergist claims that 50% of his patients suffer from some type of allergy.  Let A…

Q: dismissed 1010 employees in order to meet their new budget reductions. The town had 77 employees…

A: A town recently dismissed 10 employees in order to meet their new budget reductions. The town had 7…

Q: Two machines turn out all the products in a factory, with the first machine producing 20% of the…

A:

Q: At ABC college 40% of all entering freshmen graduate within four years. Among those who graduate…

A: Let , Event A be the person graduate within four years Ac is the complement of event A, i.e. the…

Q: According to Motor Trend magazine, 20% of all US households own a pickup truck. We pick 9 households…

A: (a)   Obtain the probability that exactly 5 of these households own a pickup truck.   The…

Q: A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If…

A: From the provided information, Sample size (n) = 19 10% of bulb are defective that is p = 0.10 If…

Q: The weekly average number of airplane crashes is 3. Whatis the probability that there will be (a) at…

A: It is an important part of statistics. It is widely used.

Q: An organic beverage company manufactures a lot of 500 canisters of mango concentrates. This lot…

A: General formula of probability is ,  Probability = Number of favorable outcomes Total outcomes

Q: the students are female, and 21% of the students major in civil engineering. Furthermore, 10% of the…

A: Given query is to find the probability for the indicated probability.

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.