About 20% of software engineers in Silicon Valley earn approximately $50,000 per year.
In a random sample of 80 software engineers, let X represent the number of engineers that earn approximately $50,000 per year.
a. Find the probability that at most 20 earn approximately $50,000 per year.

Question

04-12-2022
Mathematics

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About 20% of software engineers in Silicon Valley earn approximately $50,000 per year.
In a random sample of 80 software engineers, let X represent the number of engineers that earn approximately $50,000 per year.
a. Find the probability that at most 20 earn approximately $50,000 per year.

Sagot :

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