Consider a 4-question test in which questions can be answered either correctly or incorrectly.
a) How many different ways are there to answer the questions so that two are correct and two are incorrect?
b) How many different ways are there to answer the questions so that at least two are correct?

Question

02-12-2022
Mathematics

Answered

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Consider a 4-question test in which questions can be answered either correctly or incorrectly.
a) How many different ways are there to answer the questions so that two are correct and two are incorrect?
b) How many different ways are there to answer the questions so that at least two are correct?

Sagot :

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Consider a 4-question test in which questions can be answered either correctly or incorrectly. a) How many different ways are there to answer the questions so that two are correct and two are incorrect? b) How many different ways are there to answer the questions so that at least two are correct?

Sagot :

Other Questions

Consider a 4-question test in which questions can be answered either correctly or incorrectly.
a) How many different ways are there to answer the questions so that two are correct and two are incorrect?
b) How many different ways are there to answer the questions so that at least two are correct?