Question

The time taken to pluck the tea leaves in a certain plantation has a normal distribution...

The time taken to pluck the tea leaves in a certain plantation has a normal distribution with a mean of 25 hours per week and a standard deviation of 4 hours. Calculate the probability that the tea leaves can be plucked at this plantation in the following period of time: More than 30 hours Between 18 and 34 hours Between 25 and 34 hours

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Answer #1

Let X denotes the time taken to pluck the tea leaves in a certain plantation.

X ~ Normal(25, 42)

The probability that the tea leaves can be plucked at this plantation in more than 30 hours

The probability that the tea leaves can be plucked at this plantation in between 18 and 34 hours

The probability that the tea leaves can be plucked at this plantation in between 25 and 34 hours

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