Find the probability that a randomly selected multiple birth for women 15-54 years old involved a mother who was at least 40 years old. P(at least 40

Age Number of Multiple Births

15–19 100

20–24 467

25–29 1620

30–34 2262

35–39 1545

40–44 328

45–54 105

Total. 6427

Probability of selecting a mother who is at least 40 years old is 0.067.

That means there are 6.7% of the the total mothers who are at least 40 years old.

Step-by-step explanation:

The question is looking for probability of a mother at least 40 years.

It means 40 years and above.

From the table, the number of mothers who fall into this category = 328 +105 = 433

So, the probability would be = 433/6427 = 0.067

Therefore, converting to percentage, we have 6.7%

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