Arlene is cutting square tiles along the diagonal to make pieces for a mosaic. What is an expression for the maximum diagonal le
1 answer:
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For each question, there is a 1/2 chance at getting the question correct by guessing.
Let's take a scenario to better understand.
Suppose the true-false paper has 5 questions. For a perfect score by guessing, you'd need to get all 5 correct (ie (1/2)⁵)
The reason why you multiply is because you need each 1/2 simultaneously for a perfect score, which is an important concept when doing binomial probability later on.
Thus, let's use this knowledge to answer the question.
We need the minimum amount of questions such that the probability is less than 1/10.
We can write an inequality for this:
Now, we need to log both sides to find n.
n > 3.3219...
n ≈ 4
Thus, 4 questions is the minimum number of questions needed.
Let's take a scenario to better understand.
Suppose the true-false paper has 5 questions. For a perfect score by guessing, you'd need to get all 5 correct (ie (1/2)⁵)
The reason why you multiply is because you need each 1/2 simultaneously for a perfect score, which is an important concept when doing binomial probability later on.
Thus, let's use this knowledge to answer the question.
We need the minimum amount of questions such that the probability is less than 1/10.
We can write an inequality for this:
Now, we need to log both sides to find n.
n > 3.3219...
n ≈ 4
Thus, 4 questions is the minimum number of questions needed.
Answer:
25
Step-by-step explanation:
The only other number on the line with 625 is 25.
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(square root) = √(square)
Your picture shows a (square) of 625 and asks you for the (square root). The table shows the (square root) corresponding to the (square) of 625 is 25.
