6 out of 20 people in a business have a language certificate. Accordingly, how many of 10 randomly selected people should have a language certificate?

Q: According to a study conducted at the medical college of Wisconsin, 9% of men are color blind. If…

A: It is given that,  According to a study conducted at the medical college of Wisconsin, 9% of men are…

Q: Two six-sided dice are rolled and their product is taken. How many elements are in the subset of…

A: When two six-sided dice are rolled the sample space is as shown below  (1,1), (1,2),(1,3),…

Q: If you toss 10 fair coins,in how many ways can you obtain at least one head?

A: Given: 10 fair coins are tossed. We want to calculate the number of ways in which we can obtain at…

Q: An experiment involves tossing five coins. How many elements are there in the domain?

A:

Q: Phone failures can be referred to as battery defects or power supply defects. A repair shop…

A: 6-battery defects19-power supply defects25-failed phones

Q: If a phone company sends a random 6-digit number to customers to activate their phone, how many…

A: Consider a problem in which there are n vacant inline spots, each spot is to be filled by any of the…

Q: How manly liked apples only? How many liked bananas only? How many liked cantaloupes only? How…

A: HERE from given information  define events A = students like apple B = student like banana C=…

Q: 5. Suppose six pairs of similar-looking boots are thrown together in a pile. How many individual…

A: Let us assume there are three persons A, B and C sitting beside each other. The different ways in…

Q: A district in the Ashanti region town has 102 towns and villages. If you interviewed everyone living…

A: It is given that,  A district in the Ashanti region town has 102 towns and villages. It means we can…

Q: How many five-card hands contain exactly four jacks or exactly four black cards?

A: Total cards in a deck = 52 Total Jacks = 4 Total black cards = 26

Q: . How many ways are there to choose the members on the education group?

A: Given:  5 Republicans  4 democrats  3 members is to be formed with atleast 1 Republican.

Q: According to a published study, 1 in every 9 men has been involved in a minor traffic accident.…

A: Given: Sample size (n) = 25 Probability of minor accident =19

Q: A shipment of 150 laptops contains 9 defective laptops. A quality control specialist chooses a…

A: Given,no.of defective laptops=9no.of non defective laptops=141total no.of laptops=150

Q: A district in the Ashanti region town has 102 towns and villages. If you interviewed everyone living…

A: Given that there are 102 towns and villages.  We consider a population when we want each and every…

Q: 3. The supply department has 8 different electric motors and five different starting switches. In…

A: Given: 8 electric motors 5 switches

Q: USA Today reported that about 20% of all people in the United States are illiterate. Suppose you…

A: c. Obtain the number of people who are interviewed is 87% certain that at least 7 people are…

Q: In a local election, 56.0% of those aged under 40 and 48.8% of those aged over 40 vote in favor of a…

A: Independent Events:Two events are said to be independent if occurrence of one event does not affect…

Q: 4. A sociologist conducts an opinion survey in a major city. Part of the research plan calls for…

A: In the specified problem, an appropriate sampling method to be adopted, that would represent the…

Q: 10 out of 20 people in a business have a language certificate. Accordingly, how many of 10 randomly…

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

Q: A pollster randomly selected 4 of 10 available people. How many different groups of 4 are possible?

A: Given,   A pollster randomly selected 4 of 10 available people.   The objective is to find how many…

Q: orty one cities were researched to determine whether they had a professional sports team, a…

A: For the given information, the venn diagram is,

Q: How many distinct five cards hands could you draw

A: We know that Total number of cards in a deck = 52 Number of cards in a hand = 5

Q: A lot of 140 semiconductor chips is inspected by choosing a sample of five chips. Assume 10 of the…

A: Basics:

Q: For a population frame containing N = 1,007 individuals, what code number should you assign to the…

A: If we associate counting (natural) numbers with each unit then we have largest number associated of…

Q: 9) A group of students were asked if they carry a credit card. The responses are listed in the…

A: Probability denotes the chances of occurring an event. It lies between 0 and 1. Let, A be the event…

Q: Suppose you play a "daily number" lottery game in which three digits from 1-9 are selected at…

A: Given,no.of digits from 1-9 =9

Q: A manufacturer of automobile tires reported that among a shipment of 1000 sent to a local…

A: Given data:  a shipment =  1000 sent to a local distributor 20 = slightly blemished. Ahmed purchases…

Q: According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of…

A: According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of…

Q: In research, it is not practical to include all members of a population. Is this true or false

A: Given statement: In research, it is not practical to include all members of a population.

Q: A species is known to have 1) red, brown, black, or grey hair, 2) yellow or white sclera, 3) a pink…

A: For any particular phenotypic combination in the species,       For hair, 4 options are available.…

Q: If an experiment connsist of throwing a die and writing a letter from A-Z, how many elements will…

A: Given, An experiment consists of throwing a die and writing a letter from A-Z There are 6 possible…

Q: How many different “3 of a kind”s are there in Yahtzee?

A: Consider the provided question, We need to find the number of different ways in which  "3 of a…

Q: If I use the portion of the given random number table to select the first five students to be…

A: Given that there are 250 students and they are numbered from 001 to 250 in alphabetical order. To…

Q: If arrangements of the letters in the word COMPUTER are generated at random, how many different…

A: The letter C is fixed as the starting letter. The remaining number of letters = 7

Q: the Aloha state, you are very unlikely to be murdered! However, it is considerably more likely that…

A: The distribution is given as under: Crime Crime Rates Burglary 903.6 Theft 512.7 Assault…

Q: A wireless garage door opener has a code determined by the up or down setting of 11 switches. How…

A: Given: total number of switches, N=11

Q: The following are the scores of 8 students each in a 25-item mathematics quiz administered in two…

A: Given, Section A Section B 18 19 19 24 20 11 15 10 22 17 13 16 18 25 12 15

Q: 3. If there are six candidates, how many comparisons should be made?

A: As per our guidelines we are supposed to answer only one question.Kindly repost other question as…

Q: 52. Randomly meeting either a man or an American in a group composed of 25 French women, 15 French…

A:

Q: (a) The sample space is the set of all lists of people chosen from

A: As per given by the question, president cabinet consisted of the secretaries of different…

Q: On a youth soccer team 3 out of 12 team members have played in previous years. Based on this…

A: The formula of mean is,

Q: Find the mode of the following number of computers available to students at randomly selected high…

A: Given data, 9,19,7,16,13,19,7,13,13   Sort the data in ascending order. 7,7,9,13,13,13,16,19,19…

Q: In order to generalize to a population a sample must be randomly selected O a. Cannot say O b. True…

A:

Q: A group of voters were asked about their political affiliation and their method of voting. The…

A: Given Information:   At the Polls Absentee Did not vote Total Republican 72 51 67 190…

Q: A bank seeks to look at in what ways their customers participate in the stock market. They think…

A: Population A collection of persons, things or objects involved in the study is population.  Sample…

Q: A group of 200 UTAR students were asked whether they played soccer or basketball. Among the group,…

A: Define the Events, A : Played Soccer B : Played Basketball given, n(A) = 140, n(B) = 30, n(A∩B) =…

Q: In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with…

A: Given information- Sample size, n = 300 The proportion (p) is = 0.80 Now, from Binomial to normal…

Q: 2. Individuals are asked which network they watch for the evening news. The results are summarized…

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.