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2. A random sample of 300 adults are classified below by gender and their level of...
Sheet 3 Question (1) I- A random sample of 7 pieces of cotton fiber was taken...
Sheet 3 Question (1) I- A random sample of 7 pieces of cotton fiber was taken and the absorbency values of each piece was given as follows: 18.71 21.81 20.14 21.81 17.29 22.56 20.17 From the data compute: a) two measures of central tendency. b) two measures of dispersion. Solution: Question (2) I- A random sample of 200 adults are classified below by gender and their level of education. Female 40 Education Elementary Secondary College Male 35 31 28 44...
1&2 · Let e be the event that a computer crashed and O the event that...
1&2
· Let e be the event that a computer crashed and O the event that a computer overheated Suppose we have the following probabilities: P(C) 0.4 P(Cno) 0.25 P(O) 0.3 P(C no) 0.05 )-0.15 P(C no) 0.55 Answer the questions below. Round your answers below to 2 decimals. (a) Find the probability that the computer crashed, given that the computer overheated. (b) Find the probability that the computer crashed, given that the computer did not (c) Find the probability...
A poll was taken of 14.537 working adults aged 40-70 to determine their level of education....
A poll was taken of 14.537 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results were as follows Education Level Male Female Total High School or Less 3,199 2,729 5,928 Bachelor's Degree 3,872 3,538 7,410 Master's Degree 595 482 1.077 PhD 71 51 122 Tota 7.737 6.800 14.537 A person is selected at random Compute the probability that the person is female and has a bachelor's...
14) A poll was taken of 14,499 working adults aged 40-70 to determine their level of...
14) A poll was taken of 14,499 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results were as follows. Education Level High School or Less Bachelor's Degree Master's Degree Ph.D. Total Male 3157 2167 3723 529 50 7459 Female 2794 2701 3714 482 50 7040 Total 5951 7437 1011 100 14,499 A person is selected at random. Compute the probability that the person is female and...
The contingency table below shows marital status for 100 randomly selected adults by gender. Find the...
The contingency table below shows marital status for 100 randomly selected adults by gender. Find the probability that a randomly selected adult is married, given that the person is female, and then find the probability that a randomly selected adult is female, given that the person is married Married Unmarried Total Male 14 26 40 Female 41 19 60 Total 55 45 100
Giving a test to a group of students, the grades and gender are summarized below A...
Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 4 10 11 25 Female 12 8 17 37 Total 16 18 28 62 If one student is chosen at random, Find the probability that the student was male: Find the probability that the student was female AND got a "B": Find the probability that the student was male OR got an "B": If one student is chosen at random,...
PLEASE DO ALL STEPS, thank you! 6. A random sample of 800 adults was asked the following question: "Do you think current laws concerning the use of cloning for medical research are too strict, to...
PLEASE DO ALL STEPS, thank you!
6. A random sample of 800 adults was asked the following question: "Do you think current laws concerning the use of cloning for medical research are too strict, too lenient, or about right?" The pollsters also classified the respondents with respect to highest education level attained: high school, 2-year college degree, 4-year college degree, or advanced degree. We wish to know if attitudes on cloning are related to education level. Strict Lenient Right 215...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses. In Favor Against No Opinion Male Female 395 300 405 680 100 120 a. If one person is selected at random from these 2000 adults, find the probability that this person is i. in favor of cloning ii. against cloningiii. in favor of cloning given the person is a female iv. a male given the person has no opinion b. Are the events...
Problem # 5 (12 points) A random sample of 130 musicians was selected. Each musician was categorized by gender and...
Problem # 5 (12 points) A random sample of 130 musicians was selected. Each musician was categorized by gender and according to how they learned to play their instruments. Each musician was asked to select only one gender category (male or female) and only one, most relevant, learning mode (self-taught, studied in school or private instruction).The data is presented in the table below. Total Self-taught Private Instruction Studied in School 72 22 38 12 Female 58 15 24 19 Male...
A group of 200 people on the waitlists for surgery were classified by type of surgery...
A group of 200 people on the waitlists for surgery were classified by type of surgery and gender as shown. Type of Surgery Eye Cardiac Orthopedic Other Male 48 Y 37 2 120 Female 35 y 22 b 80 83 10 59 18 200 a. If one person is selected randomly from this group, what is the probability that the person is a i. Female or requires eye surgery? (1 mark) ii. Male requiring orthopedic surgery? (1 mark) iii. Female,...
Sheet 3 Question (1) I- A random sample of 7 pieces of cotton fiber was taken and the absorbency values of each piece was given as follows: 18.71 21.81 20.14 21.81 17.29 22.56 20.17 From the data compute: a) two measures of central tendency. b) two measures of dispersion. Solution: Question (2) I- A random sample of 200 adults are classified below by gender and their level of education. Female 40 Education Elementary Secondary College Male 35 31 28 44...
1&2
· Let e be the event that a computer crashed and O the event that a computer overheated Suppose we have the following probabilities: P(C) 0.4 P(Cno) 0.25 P(O) 0.3 P(C no) 0.05 )-0.15 P(C no) 0.55 Answer the questions below. Round your answers below to 2 decimals. (a) Find the probability that the computer crashed, given that the computer overheated. (b) Find the probability that the computer crashed, given that the computer did not (c) Find the probability...
A poll was taken of 14.537 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results were as follows Education Level Male Female Total High School or Less 3,199 2,729 5,928 Bachelor's Degree 3,872 3,538 7,410 Master's Degree 595 482 1.077 PhD 71 51 122 Tota 7.737 6.800 14.537 A person is selected at random Compute the probability that the person is female and has a bachelor's...
14) A poll was taken of 14,499 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results were as follows. Education Level High School or Less Bachelor's Degree Master's Degree Ph.D. Total Male 3157 2167 3723 529 50 7459 Female 2794 2701 3714 482 50 7040 Total 5951 7437 1011 100 14,499 A person is selected at random. Compute the probability that the person is female and...
PLEASE DO ALL STEPS, thank you!
6. A random sample of 800 adults was asked the following question: "Do you think current laws concerning the use of cloning for medical research are too strict, too lenient, or about right?" The pollsters also classified the respondents with respect to highest education level attained: high school, 2-year college degree, 4-year college degree, or advanced degree. We wish to know if attitudes on cloning are related to education level. Strict Lenient Right 215...
4.49 Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses. In Favor Against No Opinion Male Female 395 300 405 680 100 120 a. If one person is selected at random from these 2000 adults, find the probability that this person is i. in favor of cloning ii. against cloningiii. in favor of cloning given the person is a female iv. a male given the person has no opinion b. Are the events...
Problem # 5 (12 points) A random sample of 130 musicians was selected. Each musician was categorized by gender and according to how they learned to play their instruments. Each musician was asked to select only one gender category (male or female) and only one, most relevant, learning mode (self-taught, studied in school or private instruction).The data is presented in the table below. Total Self-taught Private Instruction Studied in School 72 22 38 12 Female 58 15 24 19 Male...
A group of 200 people on the waitlists for surgery were classified by type of surgery and gender as shown. Type of Surgery Eye Cardiac Orthopedic Other Male 48 Y 37 2 120 Female 35 y 22 b 80 83 10 59 18 200 a. If one person is selected randomly from this group, what is the probability that the person is a i. Female or requires eye surgery? (1 mark) ii. Male requiring orthopedic surgery? (1 mark) iii. Female,...
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