In a family with 5 children, excluding multiple births, what is the probability of having exactly 2 girls?
2 answers:
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Answer:
D
Step-by-step explanation:
To determine if a function is exponential decay or growth, simply look at the rate. If the rate is less than one, it is decay. It it's greater than one, it's growth.
The rate in the given function is 0.75 or 75%. 0.75 is less than one so it's exponential decay.
To determine the percent decrease, simply subtract the rate into 1 or 100%. Thus:
Therefore, it is a 0.25 or 25% decrease.
The answer is D.