subject
Mathematics, 08.10.2019 23:00 Geo777

Josh takes a twenty-question multiple-choice exam where each question has five possible answers. some of the answers he knows, while others he gets right just by making lucky guesses. suppose that the conditional probability of his knowing the answer to a randomly selected question given that he got it right is 0.92. how many of the twenty questions was he prepared for?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
What is the least common multiple of 6 and 17?
Answers: 3
question
Mathematics, 21.06.2019 14:10
Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.
Answers: 1
question
Mathematics, 21.06.2019 17:50
To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1
Answers: 1
question
Mathematics, 21.06.2019 22:10
What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²
Answers: 1
You know the right answer?
Josh takes a twenty-question multiple-choice exam where each question has five possible answers. som...
Questions
question
Mathematics, 11.02.2022 14:00
question
Mathematics, 11.02.2022 14:00
question
Mathematics, 11.02.2022 14:00
Questions on the website: 13722367