The amount of time to complete a physical activity in a PE class is normally distributed with a mean of 37.3 seconds and a standard deviation of 5.5 seconds. Round answers to 4 decimal places. a) What is the probability that a randomly chosen student completes the activity in less than 32.1 seconds? b) What is the probability that a randomly chosen student completes the activity in more than 43.5 seconds? c) What proportion of students take between 33.7 and 40 seconds to complete the activity? d) 85% of all students finish the activity in less than seconds.

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The activity involves calculating probabilities and proportions based on a normal distribution of completion times for a physical activity in a PE class. The distribution has a mean of 37.3 seconds and a standard deviation of 5.5 seconds. Answers should be rounded to four decimal places.

### Questions:

a) What is the probability that a randomly chosen student completes the activity in less than 32.1 seconds?
- [Answer box provided]

b) What is the probability that a randomly chosen student completes the activity in more than 43.5 seconds?
- [Answer box provided]

c) What proportion of students take between 33.7 and 40 seconds to complete the activity?
- [Answer box provided]

d) 85% of all students finish the activity in less than how many seconds?
- [Answer box provided]

At the bottom, there is a "Submit Question" button. 

(Note: There are no graphs or diagrams included in the image.)
Transcribed Image Text:The activity involves calculating probabilities and proportions based on a normal distribution of completion times for a physical activity in a PE class. The distribution has a mean of 37.3 seconds and a standard deviation of 5.5 seconds. Answers should be rounded to four decimal places. ### Questions: a) What is the probability that a randomly chosen student completes the activity in less than 32.1 seconds? - [Answer box provided] b) What is the probability that a randomly chosen student completes the activity in more than 43.5 seconds? - [Answer box provided] c) What proportion of students take between 33.7 and 40 seconds to complete the activity? - [Answer box provided] d) 85% of all students finish the activity in less than how many seconds? - [Answer box provided] At the bottom, there is a "Submit Question" button. (Note: There are no graphs or diagrams included in the image.)
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