The store currently has seven rackets of each version. What is the probability that all of the next ten customers who want this

Question

2 years ago

9

racket can get the version they want from current stock

1 answer:

Mila [183] · Answer 1 · 2023-03-18T14:00:00+03:00

The probability that all of the next ten customers who want this racket can get the version they want from current stock is 0.821

<h3>How to solve?</h3>

Given: currently has seven rackets of each version.

Then the probability that the next ten customers get the racket they want is P(3≤X≤7)

Note that If less than 3 customers want the oversize, then more than 7 want the midsize and someone's going to miss out.

X ~ Binomial (n = 10, p = 0.6)

P(3≤X≤7) = P(X≤7) - P(X≤2)

From Binomial Table:

= 0.8333 - 0.012

= 0.821

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