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allsm [11]
2 years ago
13

At a walk-in interview, 12% of candidates can be selected, and 28% of candidates can be put on hold for the next hiring date. If

75 candidates are interviewed, about how many are expected to be rejected? A. 9 B. 45 C. 30 D. 21
Mathematics
1 answer:
julia-pushkina [17]2 years ago
3 0

Answer:

B. 45

Step-by-step explanation:

We can add the two possibilities of "success" {what we want to happen/what we are studying the likelihood of--in this case, technically rejection is the success, but that is very confusing}

12 + 28 = 40%

(40% of candidates are <em>not </em>rejected)

so, by finding 40% of 75, we can find how many candidates are likely to be accepted

[or, by finding 60% of 75, we can find how many will be rejected]

75 × 0.40 = 30 (30 candidates are not rejected)

75 - 30 = 45 (45 candidates are rejected)

{75 × 0.60 = 45 also}

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