if 20% of vehicles are blue and 1/3 of blue vehicles are trucks what fraction of blue vehicles are trucks

Q: 3. 12 people got an A, 11 people got a B, 31 people got a C, 9 people got a D, and 5 people got an…

A: Percentage can be calculated, suppose for the people who got C as  (No. Of people who obtained C ÷…

Q: What proportion of cars are driving between 75 and 85 miles per hour?

A: We have given that

Q: n a class of 25pupil's their are 8individual who played in the hockey team.what percentage of class…

A: Given : Total no. of individual in a class (N) = 25 No. of individual who played in the hockey team…

Q: percent

A: Please refer to the image below

Q: At a particular university, 20% of the students are freshmen and 43% of the students live in a dorm.…

A: Let F denote the students that are freshmen and      D denote the students that live in a dorm. We…

Q: 5 is 35% of what number using a tape diagram?

A:

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the that they both…

A: Given: P(Dog) = 0.54 The probability that they both own a dog can be calculated as: P(Both own a…

Q: 7) Find x. 8x 22 3x 2

A:

Q: Show how you reached the final answer An ectopic pregnancy is twice as likely if a woman smokes…

A: Let S be the event that a woman is a smoker E be the event that a pregnancy is ectopic P(E|S) =…

Q: Suppose a sample of 158158 tankers is drawn. Of these ships, 135135 did not have spills. Using the…

A: It is given that, among 158 tankers 135 did not have spills.

Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

A:

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the both own a dog?…

A: Given, Probabily of a person own a dog is 43 %

Q: If 40% of x is 300 then find x

A: Given,40% of x is 300then, x = ?

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: half of 1/3 pan of brownies = _____ pan of brownies

A:

Q: 6 2/5% of 120 as percentage

A:

Q: What percentage of books read 76 books out of 80 total books

A: Solution:

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: 6.4% of what is 56?

A: Solution is given below in step 2.

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: A group has 20 man and 22 women what is the percentage of the women in the group

A: Given that, Total number of people = 20+22= 42 Man = 20 Women= 22

Q: If a coin is flipped 150 times and the number of Hs is 25. Compute the proportion of Hs. Round to…

A: We have given that,  Favorable cases (X) = 25 and sample size (n) = 150 Then,  We will find the…

Q: If 200 subjects were studied and 120 of them expressed a preference for Brand X, what percentage…

A: The total number of subjects is 200.

Q: 4.9 %23 6.3

A: In figure1  Both chords having same distance it means both are equidistance from the center. so x=5

Q: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

A: In a comparison taste test of two juice drink 780 people preferred Cranberry Blast.Only 220 people…

Q: A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which…

A:

Q: 4. A farmer estimated that there were 25 gallons of water left in a tank. If this is an…

A:

Q: If 75% of x is 1500 then x is

A: Given ,  75% of x is 1500 then  We have to find x  We know that ,  75% of x is 1500 means

Q: 35% of a sample of employees are vaccinated.if 390 are not vaccinated, how many are vaccinated

A:

Q: A quality-conscious disk manufacturer wishes to knoww the fraction of disks his company makes which…

A: Given, The no. of sample, n =5431 The number of defective, x = 4943

Q: Suppose 50% of all voters in a population support a politican, SHARE What is the zscore of sample…

A:

Q: A test question is good if it discriminates between prepared and unprepared students. The first…

A:

Q: 1/2% of 412

A:

Q: Write down the fraction of people in this study who are citizens of Country A and have Blond hair.

A: Black BlondBrown redtotal Country A 10131515060626Country B12522713158541Country…

Q: If 80% of Mars rovers land in former streambeds and 65% of the rovers in streambeds on Mars find…

A: Solution-: Let, S-Mars rovers land in former streambeds        W- historic evidence of water Given:…

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.