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Problem

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8 Nov 2021

Given information

The distribution function is normally distributed.

The speed limit is 100 km/h.

The police is instructed to ticket motorists driving 125 km/h or more.

The mean of the normal distribution is 112 km/h and the standard deviation of the normal distribution is 8 km/h.

Step-by-step explanation

Step 1.
  • The probability density function of normal distribution having mean and standard deviation  is given by .
  • Write the probability density function by substituting 112 for and 8 for .

 

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