Ramirez Wagner
05/28/2024 · Elementary School
A one-week study revealed that \( 60 \% \) of a warehouse store's customers are women and t \( 30 \% \) of women customers spend at least \( \$ 250 \) on a single visit to the store. Find the probability that a randomly chosen customer will be a woman who spends at least \( \$ 250 \).
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Step-by-step Solution
To find the probability that a randomly chosen customer is a woman who spends at least \$250, we can use the information provided:
1. The probability that a customer is a woman, \( P(W) \), is \( 60\% \) or \( 0.6 \).
2. The probability that a woman customer spends at least \$250, \( P(S | W) \), is \( 30\% \) or \( 0.3 \).
We want to find the joint probability that a customer is a woman and spends at least \$250, which can be calculated using the formula for conditional probability:
\[
P(W \cap S) = P(W) \times P(S | W)
\]
Substituting the values we have:
\[
P(W \cap S) = 0.6 \times 0.3
\]
Calculating this gives:
\[
P(W \cap S) = 0.18
\]
Thus, the probability that a randomly chosen customer is a woman who spends at least \$250 is \( \boxed{0.18} \) or \( 18\% \).
Quick Answer
The probability is \( 0.18 \) or \( 18\% \).
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