Question:The length of time a person take to decide which shoes to purchase is normally distributed with a

mean of

8.21 minutes and a standard deviation of 1.90. Find the probability that a randomly selected individual will take less than 6 minutes to select a shoe purchase. Is this outcome unusual?

1) probability is 0.12, which is unusual as it is less than 5%.

2) probability is 0.12, which is unusual as it is not less than 5%.

3) Probability is 0.88, which is usual as it is greater than 5%.

4) Probability is 0.88, which is unusual as it is greater than 5%.

I need help in my multiple choice Home work. Also can you explain each question so it can help me in the future.

Thanks in Advance

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