Given that <span>William guesses random answers for the last
four questions and that e</span><span>ach question has five answer choices.</span><span>
The probability that he gets an answer correct </span>is 1 / 5.
The probability that he did not get an answer correct is 4 / 5.
The probability that he will not get any of the 4 questions correctly is

Therefore, the probability that he gets at least one of the 4 questions correctly is
Answer:
A
Step-by-step explanation:
When a discriminant is positive it has two distinct roots. When a discriminant is negative it has no real roots. When a discriminant is zero it has two roots that are the same so that counts as one root.
Answer:
Step-by-step explanation:
Answer:
The dependent variable is n i think because the hwole problem depends on n
Step-by-step explanation:
Answer:1/3+3/5 actually is 14/15 and 11/12-5/6 is 1/12
Step-by-step explanation: