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algol13
3 years ago
13

50% of babies are born female.Olive wants to find the probability 20 or more of the 50 babies born today were female. If we use

a double-sided coin and assign heads as females and tails as males,what is the best way to perform this simiulation
Mathematics
1 answer:
Anna [14]3 years ago
3 0

Answer:

D. Keep track of the number of heads flipped in 50 flips. These represent the number of females born today. Repeat this 200 times.

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Answer:

B) h(x) = -1/4(x - 6)(x + 3)

Step-by-step explanation:

Zeros of a function:

Given a polynomial f(x), this polynomial has roots x_{1}, x_{2}, x_{n} such that it can be written as: a(x - x_{1})*(x - x_{2})*...*(x-x_n), in which a is the leading coefficient.

In this question:

Concave down, so a < 0, which excludes options c and d.

Roots at x = 6 and x = -3. So

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So option B.

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3 years ago
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