Destinysills9620 Destinysills9620

21-06-2024
Mathematics

Answered

Suppose a True-False test has 20 questions.
a) In how many ways may a student mark the test, if each question is answered?
b) In how many ways may a student mark the test, if 7 questions are marked correctly and 13 incorrectly?
c) In how many ways may a student mark the test, if 10 questions are marked correctly and 10 incorrectly?

Answer :

Other Questions

Question 2 (1 point)Bile is produced in the:a) Gallbladderb) Pancreasc) Liverd) Small intestine

According to William James, what was the true purpose of psychology?a. empirical study of humanity.b. experimental study of individuals.C. Scientific study of t

What examples for scoring high on the agreeableness trait in the big 5 personality scale

An organization wants to increase its ability to make fast decisions and empower front-line employees to act on potential opportunities. This organization would

Simplify the following expression:[tex]\[ x^3 y + x^2 y - 3xy \][/tex]

If you delete a text message on an iPhone, can the other person see it?

A patient presents with a UTI that has not spread beyond the bladder. Which classification of UTI describes this kind of infection?a. Urosepsisb. Complicated UT

On which types of cells would you find an MHC Class I molecule?A. Only macrophages, B cells, and dendritesB. All host cells except red blood cellsC. All host ce

Which of the following factors seem to be related to school performance?O self-efficacyO genderO parenting practicesO all of the above

Blue light has ___ energy than red light and is ____ by a green leaf.a. Less; reflectedb. More; reflectedc. Less; absorbedd. More; absorbed

Solve the inequality. 4(x – 3) – 2x ≥ 5 – (x + 2)

The branch of government writes the laws

Which fraction and equivalent decimal correctly shows the ratio of shaded circles to all circles?A. 1/4 = 0.25 B. 1/3 = 03C. 1/2 = 0.5D. 2/3 = 0.6

Solve the inequality. 4(x – 3) – 2x ≥ 5 – (x + 2)

The question that I'm having issues with is, "The complement of an angle, A, in degrees, is equal to one-sixth of the supplement of the angle, also in degrees.

If [tex]3x+2y =12[/tex] and [tex]xy=6[/tex], then find the value of [tex]9x^{2} + 4y^{2} [/tex]

In a bag, there are red and blue cubes in the ratio 4:7. Sam adds 10 more red cubes to the bag. Now there are red and blue cubes in the ratio 6:7. How many blue

The branch of government writes the laws

The question that I'm having issues with is, "The complement of an angle, A, in degrees, is equal to one-sixth of the supplement of the angle, also in degrees.

Solve the inequality. 4(x – 3) – 2x ≥ 5 – (x + 2)