On a multiple choice test with 21 questions, each question has four possible answers, one of which is correct. for students who

Question

3 years ago

14

guess at all answers, find the standard deviation for the number of correct answers

1 answer:

Rainbow [258] · Answer 1 · 2022-09-06T21:44:30+03:00

5 0

Answer:

Hello there, the answer is 5.25, or 5 1/4

Step-by-step explanation:

Since it has 21 questions, 4 choices each, we should divide 21÷4= 5.25

Inside of fraction form, the answer is 5 1/4