Question

Starbucks has found that 26% of customers purchase more than one cup of coffee per day...

Starbucks has found that 26% of customers purchase more than one cup of coffee per day from their shops. Suppose you randomly choose 190 of today's Starbucks customers.


Find the probability that no less than 31% of them purchased more than one cup of coffee from Starbucks.

Math   Statistics-And-Probability   
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Answer #1

Given that, proportion of customers purchase more than one cup of coffee per day from their shops is p = 0.26

sample size ( n ) = 190

We want to find,

The probability that no less than 31% of them purchased more than one cup of coffee from Starbucks is 0.0582

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