Answer: 0.8
Step-by-step explanation:
Let's assume that 5 puzzles were solved in 5mins. That is, 1min for each puzzle to be solved.
From our assumption, our sample size will be 5.
The probability that a subject will solve more than 1 puzzle will be number of occurrence from 2 to 5 which is 4.
This gives: 4/5 = 0.8 to one decimal place.
Answer:
D
Step-by-step explanation:
the explanation on D
From the text of the task we can write the equation:
Answer:
The answer is B, or the second one
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
that is true i need twenty charcters