Question 6 A class contains 12 students who study Geography(G), 11 students who study History(H) and 10 students who study Economics(E). If no student studies more than one of these subjects, what is the probability that three students chosen at random all study History? Give your answer as a decimal correct to three significant figures.

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: Giving a test to a group of students, the grades and gender are summarized below Total Male 19 4 20…

A: From the table we get: n(female)=34 n(B)=15 n(female and B)=11   So, n(female or B)=n(female)+n(B) -…

Q: There is a disease whose average incidence is 10 per 30,000 people. In a city of 90,000 people find…

A:

Q: An Imaginary Poll in April 2015 asked 771 U.S. adults what their main source of news was:…

A: According to the given information, we haveTotal number of adults = 771Main sources of news…

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a…

A:

Q: If two dice are thrown together, what is the probability of getting an even number on one dice and…

A: Givenif two dice are rolled than the possible outcomes are 36i.e.,n(s)=36and the possible outcomes…

Q: Which of the following numbers could be the probability of an event? 1, 1.49, 0.27, 0, -0.56, 0.05

A: Numbers are: 1, 1.49, 0.27, 0, -0.56, 0.05

Q: A test was given to a group of students. The grades and gender are summarized belo Total Male 8. 14…

A: From the table we get: n(male)=31 n(B and male)=9

Q: A problem in statistics is given to five students A, B, C, D and E. Their chances of solving it are…

A: Here, P(A) =1/2 , P(B) =1/3, P(C) =1/4,P(D) =1/5 and P(E ) =1/6.

Q: the age of Subject #101 is 71. Divide that age by 10 and put a % on it.  That is the probability of…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Find the indicated probability. 1) Of 1454 people who came into a blood bank to give blood, 357 were…

A: Given Data: The number of people who came to give blood is: n=1454 The number of people ineligible…

Q: ACcording to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Defines that p is true proportion of the number of people, who throw away what they buy at the…

Q: Giving a test to a group of students, the grades and gender are summarized below A В C Total Male 20…

A: From the contingency table we can see that there are total 78 students who took the test. So, number…

Q: In a city of 140, 000 people, there are 11, 000 women. What is the probability that a randomly…

A: Answer: From the given data, Number of people in the city = 140000 Number of women in the city =…

Q: Question 30 There are eleven female board members and nineteen male board members. You should show…

A:

Q: A problem in statistics is given to three students A, B and C whose enhances of solving it are 1/2,…

A: Given : The probability of solving a problem by students A, B and C is 1/2,3/4 and 1/4

Q: A store gathers some demographic information from their customers. The following chart summarizes…

A: Answer:  Total number of customers =90+56+84+53+70+73=426 a)P(20<X<50)=(56+84+53)/426…

Q: 4) The age distribution of members of a gymnastics association is shown in the table. A member of…

A: Given that,The age distribution of members of a gymnastics association is given.

Q: Part a through d please. Thank you!

A: To solve these problems, we can use the binomial probability formula. The binomial probability of…

Q: QUESTION 2 It is known that 30% of adult females are experiencing sleep disorder If 17 adult females…

A:

Q: A survey found that 32% of book buyers are younger than 40 years old. If 10 book buyers are…

A: It is given that n=10 and p=0.32.

Q: 3) In one town, 51% of adults are employed in the tourism industry. What is the probability that…

A: Given that,Probability, p = 51%Sample size, n = 5

Q: A store gathers some demographic information from their customers. The following chart summarizes…

A:

Q: QUESTION 4 Three marbles are drawn from a bag containing 5 yellow marbles, 3 green marbles, and 12…

A:

Q: 63% of all Americans are home owners. 37 Americans are randomly selected, find the probability that…

A: given data P(home owner) = p =0.63no. of trials = n = 37x = no. of home owners in sample

Q: A group of voters consists of 23 Democrats, 17 Republicans, and the rest Independents. If a voter is…

A: Given that there are 23 Democrats, 17 Republicans and the rest are independents. Let us consider the…

Q: A problem in statistics is given to three students A,B,C . Whose chances of solving it are…

A:

Q: Question 9 Suppose that 45% of a population has a virus. You take a random sample of 12 members of…

A: Given: No. of members(n)=12 Probability(p)=45%=0.45 let X be the random variable that person have…

Q: A test was given to a group of students. The grades and gender are summarized below A В Total Male 2…

A: A test was given to a group of students. the grades and gender are summarized below.   A B C…

Q: Question 15 > Suppose that in basketball you are successful on 83% of your free throw attempts. You…

A: From the given information, it is clear that,  Number of trails n=19  probability of success p=0.83…

Q: Blood Types: The following table summarizes blood types for 100 typical people. For example, a…

A: From the provided information,   O A B AB Total Type Rh+ 37 36 9 3 85 Type Rh- 7 6 1 1 15…

Q: Giving a test to a group of students, the grades and gender are summarized below A В Total Male 12…

A: Given:   A B C Total Male 12 15 3 30 Female 10 17 7 34 Total 22 32 10 64 To find:…

Q: 2. One average, you receive 2.6 a What's Up message a day. What is the probability that you receive…

A:

Q: Part 3 of 6 A new sample of 79 adults is drawn. Find the probability that more than 38% of the…

A: The proportion of U.S. adults with high blood pressure is 0.4, and a sample of 39 U.S. adults are…

Q: 5) At Bill's community college, 41.7% of students are Caucasian and 2.7% of students are Caucasian…

A: Given that 41.7% of students are Caucasian and 2.7% of the students are Caucasian math majors.…

Q: If a successful student is noticed what is the probability that he was a student of Arts, Science or…

A: here define events Arts  = A Science = S Commerce  = C passed in examination = E   p(A ) = 0.40…

Q: 4) The table gives the number of degrees earned in a certain university in the 2007-2008 academic…

A: Determine the total number of persons who are awarded with degree in year 2007-2008.…

Q: Which of the following numbers could be the probability of an event? 0.24, 0.46, 1, 1.56, 0, 0.07

A: we have to find which number could be the probability of an event.    as we know 0≤P(x)≤1

Q: Suppose that 57% of people own dogs. If you pick two people at random, what is the probability that…

A: Provided data is, 57% of people own dogs. Two people picked up randomly. The required probability…