N riders receive a $5 off voucher. P is the likelihood that a coupon will be used. What is the company's anticipated cost?

N riders receive a $5 off voucher. P is the likelihood that a coupon will be used. What is the company's anticipated cost?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: interviewbit, probability, topic-specific, statistics

参考答案摘要

Different from the previous question, now we need to compute the expected value of a variable with binomial distribution instead of computing the PMF. We can answer this question by plugging the value...

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