Question 7: Consider 10 male students M1, M2,... , Mo and 7 female students F1, F2,......
Question 7 (1 point) In how many ways can 4 female students and 3 male students be selected from a class with 17 female and 13 male students? Your Answer: Answer Question 8 (1 point) In how many ways can a president, vice-president, treasurer, and secretary be selected from a class of 55 students? Your Answer: Answer Question 9 (1 point) Suppose you want to purchase a new wardrobe that has a variety of clothes that can all be worn...
UTRGV female and male students were asked how much time they spent watching TV each week. Researchers would like to know if there is a difference between the time males and females spend watching TV. (α = .05) Men Women 10 13 15 3 6 5 8 7 20 9 12 4 a) What is the t-observed for the difference between the means? b) What is the p-value c) Based on the p-value and alpha, is there a statistically significant...
We crossed pure-bred female flies with yellow body and forked-shaped bristles with male flies extra bristles. The subsequent F1 flies showed all normal phenotypes except that all of the F1 males are yellow-body. We crossed again the normal F1 females with males homozygous for yellow body, extra bristles, and forked bristles as a testcross. The number of each category of F2 progeny is shown below. The mutant allele for yellow body is y; the mutant allele for extra bristles is...
The table below shows the number of male and female students enrolled in nursing at a university for a certain semester A student is parts (a) through (d) selected at random. Complete Total 1108 2321 3429 Nursing majors Non-nursing majors 1013 1721 2734 Males Females Total 95 600 696 (a) Find the probability that the student is male or a nursing major. P(being male or being nursing major) Round to the nearest thousandth as needed) b) Find the probability that...
1. In a study of speed dating, male subjects were asked to rate the attractiveness of their female dates, and a sample of the results is listed below (1equals=not attractive; 10equals=extremely attractive). Construct a confidence interval using a 99% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females? 6, 8, 1, 10, 7, 5, 8, 9, 7, 10, 3, 9 What is the confidence interval for the population mean muμ?...
Question 3 Experience has shown that Male applicants to Virginia Tech score on average 3.5 points better on the science placement than Female applicants. Following a random sample of these years freshman applications for admission resulted in the data below: Gender Males Females Sample Size 25 35 Mean Score 71.5 71.2 Standard deviation 10.3 11.2 A) Is there sufficient evidence that males score significantly better at the alpha-0.05 level. (10 points) For the next four questions state which inference procedure...
answer that i can understand well please Question 4 5 points Save Answer Researchers wondered whether the size of a person's brain was related to the individual's mental capacity They selected a sample of right-handed Anglo introdu psychology students who had Scholastic Aptitude Test scores higher than 1350. The subjects were administered the Wechsler Adult Intelligence Scale-Revised to obtain their IQ scores. The MRI scans, performed at the same facility, consisted of 18 horizontal MR images. The comp of the...
DATA: Compatible Mate Incompatible Mate 13 22 13 19 11 64 7 48 7 20 9 90 19 48 11 38 7 33 9 79 13 43 1 30 9 38 23 28 7 22 11 22 7 17 7 24 5 20 13 20 13 17 9 18 5 17 19 28 7 20 13 43 1 48 15 30 15 17 9 12 7 48 5 15 25 12 1 38 7 28 19 53 7 28 29...
Quiz#3 4) 80 students enter a Ping-Pong tournament. Sex and class in school classify them. The results are in the table 1) Using the numbers 1, 2,6, 5 and 8, a math whiz wants to construct a three-digit number that must satisfy the following conditions. Repetitions are allowed outside of the conditions listed below. a) The 3 digit number must be divisible by 2 b) The 3 digit number must be divisible by 10 c) The digit must be divisible...
Question: A professor recorded three statistics exam scores and other variables for 20 students in her statistics course. There are seven variables in this data set: (1) ID number, (2) Sex, (3) Study Place, and (4) Hours of Work, (5) Exam 1 score, (6) Exam 2 score, and (7) Exam 3 score. · Sex (1 = Males, 2 = Females) · Study_Place ("Where do you study the most frequently for this class?" 1 = My room, 2 = Library, 3 = Coffee shops,...