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BaLLatris [955]
3 years ago
14

100 members of a Gym are surveyed. The results are shown below. Given the gym member chosen at random is a female, what is the p

robability that they were aged 20+?

Mathematics
1 answer:
Lina20 [59]3 years ago
8 0

Answer:

\frac{17}{28}

Step-by-step explanation:

There are 56 females

There is 56 females

34 are 20+

34/56 simplfies to 17/28

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The two-way table is attached.

We know that 63 people took the survey, and 22 of them were left-handed.  This means that 63-22=41 of them are right handed.

Out of the 63 total, 37 are left brain dominant; this means that 63-37=26 are right brain dominant.

Of the 26 that are right brain dominant, 21 are right handed; this means 26-21=5 are left handed.

Of the 22 left-handed people, 5 are right brain dominant; this means 22-5 = 17 are left brain dominant.

Of the 37 left brain dominant people, 17 are left handed; this means 37-17=20 are right handed.

8 0
3 years ago
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Answer:

Step-by-step explanation:

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6 0
3 years ago
1. What types of numbers make up the set of rational numbers?
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Answer:

Natural Numbers, Whole Numbers, and Integers are rational numbers.

Example: {1, 2, 3, -1, -2, -3}

Numbers with repeating decimals and terminating decimals are also rational.

Example: {2.34343434..., 3.45}

If a square root makes a perfect square, then it is rational.

Example: {√16, √100}

Hope this helps.

8 0
3 years ago
4. Which of the quadratic functions has the narrowest graph?
iris [78.8K]

Answer:

y=2x^2

Step-by-step explanation:

when you apply a number greater than 1 to the x value, it compresses the x value by the denominator of the fraction.

4 0
2 years ago
y = A system of equations. y equals StartFraction one-half EndFraction x minus 6. x equals negative 4.x – 6 x = –4 What is the s
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3 years ago
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