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The length of time a full length movie runs from opening to credits is normally distributed...

The length of time a full length movie runs from opening to credits is normally distributed with a mean of 1.9 hours and standard deviation of 0.3 hours. Calculate the following:

  1. A random movie is between 1.8 and 2.0 hours.
  2. A movie is longer than 2.3 hours.
  3. The length of movie that is shorter than 94% of the movies.

Determine the speed of the vehicle, with an average speed of 58 and a standard deviation of 5

  1. Mean and standard deviation given, looking for the percentage between two x values.
  2. Mean and standard deviation given, looking for the percentage above a certain x value.
  3. Mean and standard deviation given, looking for the x value at a certain percentile.

Measure the weight of some tomatoes, where the average weight of the tomatoes is 10 kg and the standard deviation is 2 kg

  1. Mean and standard deviation given, looking for the percentage between two x values.
  2. Mean and standard deviation given, looking for the percentage above a certain x value.
  3. Mean and standard deviation given, looking for the x value at a certain percentile.

Measure the weight of some fruits with an average mass of 20 g and a standard deviation of 3 g

  1. Mean and standard deviation given, looking for the percentage between two x values.
  2. Mean and standard deviation given, looking for the percentage above a certain x value.
  3. Mean and standard deviation given, looking for the x value at a certain percentile.
math   Statistics-And-Probability   
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