subject
Mathematics, 24.04.2020 03:10 jskdkfjf

Ralphie is taking a ten-question multiple choice test. Each question has five choices. If Ralphie answers a question correctly.
he earns one point; if he answers it incorrectly, he loses a quarter of a point. Ralphie answers the first seven questions
correctly, then guesses on the last three. What is the expected value of his test score? Round the answer to the nearest
whole percent.
A 0%
B. 529
C. 68%
D. 70%

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Find the roots of the equation below. x^2 - 6 + 9 = 0
Answers: 1
question
Mathematics, 21.06.2019 19:10
Can some one me with these questions
Answers: 2
question
Mathematics, 21.06.2019 19:30
Solve for x and y: 217x + 131y = 913; 131x + 217y = 827
Answers: 1
question
Mathematics, 22.06.2019 01:00
Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?
Answers: 1
You know the right answer?
Ralphie is taking a ten-question multiple choice test. Each question has five choices. If Ralphie an...
Questions
Questions on the website: 13722359