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?

Question

21-06-2024
Mathematics

Answered

At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Get the answers you need quickly and accurately from a dedicated community of experts on our Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

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?

Sagot :

Thanks for using our platform. We're always here to provide accurate and up-to-date answers to all your queries. We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Westonci.ca is your trusted source for answers. Visit us again to find more information on diverse topics.

A patient can have an outpatient chest pain work up if they have normal vital signs, only mild ischemic changes on an EKG, at least one normal troponin level an

Organic material provides nitrogen for plants. Which soil component contributes the most nitrogen to plants?A. clayB. humusC. sandD. silt

Calculate:[tex]\[ 2.35 \cdot \frac{2}{3} = \][/tex]A. [tex]\(\frac{7}{30}\)[/tex]B. [tex]\(\frac{7}{15}\)[/tex]C. [tex]\(\frac{27}{30}\)[/tex]D. [tex]\(\frac{47

Which of the following sentences contains an example of personification?A. Sometimes the branches formed chains and tried to hold him back.B. From beneath it ca

Construct a turing machine that computes {w^R: w ∈ {a,b}*}. Trace your turning machine on the input abaab

Given the system:[tex]\[ \begin{cases} 4x - y + 2z = -1 \\ -x + 2y + 5z = 2 \\ -x + y - 3z = 1 \end{cases} \][/tex]Which is true?A. The system has no solutions.

Which leukocyte type would likely be elevated in a patient who has strep throat? Explain your reasoning.

What is the factored form of [tex]\(a^2 - 121\)[/tex]?A. [tex]\((a - 121)(a - 1)\)[/tex] B. [tex]\((a - 11)(a + 11)\)[/tex] C. [tex]\((a + 11)(a + 11)\)[/tex]

Discuss the theoretical underpinnings of photovoltaic cells, exploring the fundamental principles of semiconductor physics and the engineering challenges in max

The area of a parallelogram is 4018, and the lengths of its sides are 85 and 61. Determine, to the nearest tenth of a degree, the measure of the obtuse angle of

Sagot :

Other Questions