Question

If 20% of the science students at central high study only physics, 25% study only chemistry...

If 20% of the science students at central high study only physics, 25% study only chemistry and the rest study only biology, what is the smallest number of science students who could be studying biology?

A. 4
B. 9
C. 11
D. 15

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
If 20% of the science students at central high study only physics, 25% study only chemistry...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A study compared the VCE ENTER scores among 3rd year students in Science taking 4 different majors (Math, Geosciences, B...

    A study compared the VCE ENTER scores among 3rd year students in Science taking 4 different majors (Math, Geosciences, Biology and Chemistry) using analysis of variance. A total sample size of 20 students (5 in each major) was studied. The Error Sum of Squares is SS Error = 64. What is the Mean Square Error (MSE )?

  • Question 4 (0.4 points) Which of the statements below represent the most appropriate definition of science?...

    Question 4 (0.4 points) Which of the statements below represent the most appropriate definition of science? Science is ..(select only one choice). O A) the study of biology, chemistry, physics, and geology (Earth Science). B) how a person asks questions, develops hypotheses, makes observations, and draws conclusions about any phenomenon. C) the method by which scientists do research. D) the study of the natural or physical world through which answerable questions are systematically posed, observed, and tested.

  • The table below lists the scores of nine students in Chemistry and Physics. student 1/2/3 4...

    The table below lists the scores of nine students in Chemistry and Physics. student 1/2/3 4 5 6 7 8 chemistry 3/6/5/8 a 4 5 7 18 Physics 657 612 314 6 1 9. Find the correlation of the variables and x and y b. Compute for b and m in the linear regression c. Give the regression equation d. Predict the Physics score of the students when he or she got a score of 10 in chemistry

  • QUESTION 1 How is forensic science different than other sciences like biology and physics? it only...

    QUESTION 1 How is forensic science different than other sciences like biology and physics? it only has to address issues associated with the law it is a science that deals only with physics and biology it is a science that uses all of the physical sciences to address issues associated with the law it uses chemistry, physics and biology to help solve crimes it uses unique investigative techniques in the evaluation of samples taken at crime scenes O O QUESTION...

  • 3. Major Grade-GroupBiology Nursing Math 25 40 404 35 Accounting Total 35 25 15 20 A-Students...

    3. Major Grade-GroupBiology Nursing Math 25 40 404 35 Accounting Total 35 25 15 20 A-Students 15 40 10 15 15 25 B-Students C-Students D-Students 10 H-Students Total Given the above table, what is the probability that: (a)if a student is selected at random that the student is a math major? (b) ifa student is selected at random that the student is either a math major or a biology major? O if a student is selected at random that the...

  • In a study of high school students at Mumford High, it was found that 75% of...

    In a study of high school students at Mumford High, it was found that 75% of those students who drank two or more beers each day for a period of 60 days experienced measurable liver hnction deterioration. That these results could have occurred by chance was ruled out experimentally with high levels of confidence." 20. If true, the Mumford High information would confirm that A= Drinking is statistically correlated with liver deterioration in adolescents. B=Drinking causes liver deterioration in adolescents....

  • 23. A study of high school students in two states showed that those who worked only...

    23. A study of high school students in two states showed that those who worked only a few hours per week has highest grade-point averages (GPAs). The following shows GPAs and work hours per week for a sample of five students. Grade-Point Average, y Hours Worked per week, x -294.0; S,--4.55; Syー0.08968; 2.93 3.00 2.86 3.04 2.66 21 12 17 x=11.0; and y-2.898. (a) Obtain the least squares line to the data. (b) Interpret the coefficients in (a). (c) Predict...

  • At a university, suppose 50% of students are biology majors, 25% are economics majors. Data is...

    At a university, suppose 50% of students are biology majors, 25% are economics majors. Data is also collected on class: 40% are freshmen, 30% are sophomore, 20% are juniors, and the rest are seniors. Assume that there is no double majors student, A. Consider the % of students who are neither biology nor economics majors. This % must be between _ and _. B. If 30% of sophomores are economics majors, what % of students are sophomores and major in...

  • A study of undergraduate computer science students examined changes in major after the first year. The...

    A study of undergraduate computer science students examined changes in major after the first year. The study examined the fates of 256 students who enrolled as first-year students in the same fall semester. The students were classified according to gender and their declared major at the beginning of the second year. For convenience we use the labels CS for computer science majors, EO for engineering and other science majors, and O for other majors. The explanatory variables included several high...

  • In C++ Write a menu driven C++ program to read a file containing information for a list of Students, process the data, t...

    In C++ Write a menu driven C++ program to read a file containing information for a list of Students, process the data, then present a menu to the user, and at the end print a final report shown below. You may(should) use the structures you developed for the previous assignment to make it easier to complete this assignment, but it is not required. Required Menu Operations are: Read Students’ data from a file to update the list (refer to sample...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT