3. The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes. What is the probability that the arrival time between customers will be 7 minutes or less? .5034 O.6651 .3421 .4006

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**Question 3: Exponential Probability Distribution**

The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes. What is the probability that the arrival time between customers will be 7 minutes or less?

- ○ 0.5034
- ○ 0.6651
- ○ 0.3421
- ○ 0.4006

*Explanation:*

This problem involves understanding exponential probability distributions, which is commonly used to model time between events. With a mean of 10 minutes, the task is to calculate the probability that the interval between customer arrivals is 7 minutes or less. To solve this, apply the cumulative distribution function (CDF) for an exponential distribution.
Transcribed Image Text:**Question 3: Exponential Probability Distribution** The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes. What is the probability that the arrival time between customers will be 7 minutes or less? - ○ 0.5034 - ○ 0.6651 - ○ 0.3421 - ○ 0.4006 *Explanation:* This problem involves understanding exponential probability distributions, which is commonly used to model time between events. With a mean of 10 minutes, the task is to calculate the probability that the interval between customer arrivals is 7 minutes or less. To solve this, apply the cumulative distribution function (CDF) for an exponential distribution.
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