A local hospital tracked the blood type and gender of the patients they saw on an average day. Which is a fair statement?

2 answers:

ioda2 years ago

4 0

Calculate the relative frequencies for males, females and blood types. From this you can see that a fair statement is: The hospital sees over 10% more males than females on an average day. 

malesfemales = 379 − 335335 = 44335 ≈ 0.13 or 13%

Oksana_A [137]2 years ago

3 0

Tracked the blood type.

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Solve 2(b − 3) ≥ 3(3 − b) and describe the graph of the solution. Show all your work.

solong [7]

Answer:

$\large\boxed{b\geq3\to b\in[3,\ \infty)}$

Step-by-step explanation:

$2(b-3)\geq3(3-b)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\(2)(b)+(2)(-3)\geq(3)(3)+(3)(-b)\\\\2b-6\geq9-3b\qquad\text{add 6 to both sides}\\\\2b-6+6\geq9+6-3b\\\\2b\geq15-3b\qquad\text{add}\ 3b\ \text{to both sides}\\\\2b+3b\geq15-3b+3b\\\\5b\geq15\qquad\text{divide both sides by 5}\\\\\dfrac{5b}{5}\geq\dfrac{15}{5}\\\\b\geq3$