Part of the population of 6,000 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 2 of them are infected. How many elk are likely to be infected?

Question

Natasha Tyler

Mathematics

15 July, 08:05

Part of the population of 6,000 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 2 of them are infected. How many elk are likely to be infected?

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Esther Fitzgerald · Answer 1

240 are likely to be infected.

Based on the sample, the probability of an elk being infected is 2/50. Multiply this by the number of elk:

2/50 (6000) = 240.