In a college of 5000 students, 150 are math majors. A student is selected at random...

Question

Question

In a college of 5000 students, 150 are math majors. A student is selected at random...

In a college of 5000 students, 150 are math majors. A student is selected at random and turns out to be a math major. Is this an unusual event?

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

P(Math major) = n(Math major) / Total students

= 150 / 5000

= 0.03

Since this probability is less than 0.05,

The events of math major student is unusual

Add a comment

Answer 2

Similar Homework Help Questions

A study on class demographics found that 60% of the students are engineering majors, 20% are...

A study on class demographics found that 60% of the students are engineering majors, 20% are mathematics majors, and 5% are studying both engineering and math. Suppose a random student from class is chosen. Let E stand for the event that an engineering student is selected and let M stand for the event that a mathematics major is selected. Suppose a random student is selected. Calculate the following. (a) P(MC) = 0.8 (b) P(E or M) = 0.75 (c) P(E...
54. In a class of 15 students, 3 are math majors. A group of four students...

54. In a class of 15 students, 3 are math majors. A group of four students is chosen at random. (Round your answers to four decimal places.) (a) What is the probability that the group has no math majors? (b) What is the probability that the group has at least one math major? (c) What is the probability that the group has exactly two math majors?
In a class of 25 students, 4 are math majors, 6 are computer science majors, and...

In a class of 25 students, 4 are math majors, 6 are computer science majors, and the rest are creepy wizards. A group of four students are chosen at random. (Leave your answers as fractions or round to four decimal places. Either is fine.) What is the probability that no creepy wizards are chosen? What is the probability that the group has exactly one math major, two computer science majors and one creepy wizard?

Question 12 9 points Save Answer In a certain college, 33% of the math majors belong...

Question 12 9 points Save Answer In a certain college, 33% of the math majors belong to ethnic minorities. If 7 students are selected at random from the math majors, what is the probability that: a. No more than 5 belong to an ethnic minority b. Exactly three of them belong to an ethnic minority None of them belong to an ethnic minority
Of 122 students attending a college orientation session, 19 are criminal justice majors. If 6 students...

Of 122 students attending a college orientation session, 19 are criminal justice majors. If 6 students at the orientation are selected at random, determine the probability that each of the 6 is a criminal justice major. Assume that selection is to be done without replacement. Set up the problem as if it were to be solved, but do not solve.
Suppose 56% of students in the school are male. Also, 7% of the males are Math...

Suppose 56% of students in the school are male. Also, 7% of the males are Math Majors and 3% of the females are Math Majors. A student is chosen at random and found to be a Math Major. Find the probability that this student is male.

A physics class has 50students. Of these,14 students are physics majors and 13students are female. Of the physics majors, three are female. Find the probability that a randomly selected student is female or a physics major.

A physics class has 50students. Of these,14 students are physics majors and 13students are female. Of the physics majors, three are female. Find the probability that a randomly selected student is female or a physics major.
A college student is interested in testing whether business majors or liberal arts majors are better...

A college student is interested in testing whether business majors or liberal arts majors are better at trivia. The student gives a trivia quiz to a random sample of 30 business majors and finds the sample’s average score is 86. He gives the same quiz to 30 randomly selected liberal arts majors and finds the sample’s average score is 89. What is the alternative hypothesis of this test? 1. μBusiness>μLiberal Arts 2. μBusiness=μLiberal Arts 3. μBusiness≠μLiberal Arts 4. μBusiness<μLiberal Arts
A physics class has 40 students. Of these, 17 students are physics majors and 14 students...

A physics class has 40 students. Of these, 17 students are physics majors and 14 students are female. Of the physics majors, five are female. Find the probability that a randomly selected student is female or a physics major. . The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.)

A physics class has 40 students. Of these, 15 students are physics majors and 17 students...

A physics class has 40 students. Of these, 15 students are physics majors and 17 students are female. Of the physics majors, six are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is nothing . (Round to three decimal places as needed.)

In a college of 5000 students, 150 are math majors. A student is selected at random...

Homework Answers

Add Answer to:
In a college of 5000 students, 150 are math majors. A student is selected at random...

Post as a guest

Earn Coins

A study on class demographics found that 60% of the students are engineering majors, 20% are...

54. In a class of 15 students, 3 are math majors. A group of four students...

In a class of 25 students, 4 are math majors, 6 are computer science majors, and...

Question 12 9 points Save Answer In a certain college, 33% of the math majors belong...

Of 122 students attending a college orientation session, 19 are criminal justice majors. If 6 students...

Suppose 56% of students in the school are male. Also, 7% of the males are Math...

A physics class has 50students. Of these,14 students are physics majors and 13students are female. Of the physics majors, three are female. Find the probability that a randomly selected student is female or a physics major.

A college student is interested in testing whether business majors or liberal arts majors are better...

A physics class has 40 students. Of these, 17 students are physics majors and 14 students...

A physics class has 40 students. Of these, 15 students are physics majors and 17 students...

In a college of 5000 students, 150 are math majors. A student is selected at random...

Homework Answers

Add Answer to: In a college of 5000 students, 150 are math majors. A student is selected at random...

Post as a guest

Earn Coins

Add Answer to:
In a college of 5000 students, 150 are math majors. A student is selected at random...