Please help with this 3a² = 27. Find a
2 answers:
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50% of data will be less than 50
Step-by-step explanation:
A normal distribution has the shape of the graph like a bell.
Given
we have to find how much data will be less than 50.
So we have to calculate z-score for 50.
The z-score is zero. As we have to find the number of values less than 50 we will find the area to the left of curve
In order to convert the probability into percentage
=0.50*100
=50%
Hence,
50% of data will be less than 50
Keywords: Probability, Area under the curve
Learn more about z-score at:
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Considering that the square root of 9 is of 81 and of 10 is of 100, we have that the expression that has a value between 9 and 10 is given by:
B.) √89
E.)
F.)
We suppose numbers n and m, with square roots given, respectively, by n² and m².
Then, the square roots of all numbers between n² and m² have values between n and m.
In this problem, the square roots are given by:
- 9² = 81.
- 10² = 100.
Hence, the square root of all values between 82 and 99 are values between 9 and 10, thus option B is correct.
As for the cubic root, we apply the same logic and have that:
- 9³ = 729.
- 10³ = 1000.
Hence options E and F are also correct, as the values between 730 and 999 have cubic roots between 9 and 10.
More can be learned about the value of a expression at brainly.com/question/25537936
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