Probabilities from Normal Distributions

Question 12 pts The length of time a person takes 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? Homework Help: 4VA. Calculating normal probabilities (2:18) 4DF. Probabilities from Normal DistributionsLinks to an external site. (DOCX) Group of answer choices Probability is 0.12, which is unusual as it is less than 5% Probability is 0.12, which is usual as it is not less than 5% Probability is 0.88, which is unusual as it is greater than 5% Probability is 0.88, which is usual as it is greater than 5% Flag question: Question 2 Question 22 pts In a health club, research shows that on average, patrons spend an average of 42.5 minutes on the treadmill, with a standard deviation of 4.8 minutes. It is assumed that this is a normally distributed variable. Find the probability that randomly selected individual would spent between 30 and 40 minutes on the treadmill. Homework Help: 4VA. Calculating normal probabilities (2:18) 4DF. Probabilities from Normal DistributionsLinks to an external site. (DOCX) Group of answer choices 0.40 0.70 0.30 Less than 1%