Answer:
1500 elk are likely to be infected.
Explanation:
Given that part of the population of 7,500 elk at a wildlife preserve is infected with a parasite, and a random sample of 50 elk shows that 10 of them are infected, to determine how many elk are likely to be infected, the following calculation must be performed:
50 = 10
7500 = X
7500 x 10/50 = X
75000/50 = X
1500 = X
Therefore, 1500 elk are likely to be infected.