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ASK YOUR TEACHER PRACTICE ANOTH Suppose that people s heights in centimeters are normally distributed...

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Basic Math

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ASK YOUR TEACHER PRACTICE ANOTH Suppose that people s heights in centimeters are normally distributed with a mean of 170 and a standard deviation of 5 We find the heights of 80 people You may need to use the standard nor distribution table a Calculate the z score corresponding to the heights Round your answers to two decimal places x 170 Z x 175 Z Determine the probability that a person has a height between 170 and 175 cm Round your answer to four decimal places How many of the 80 people would you expect to be between 170 and 175 cm tall Round your answer to the nearest whole number people b Calculate the z score corresponding to a height of 179 cm Round your answer to two decimal places X 179 Z Determine the probability that a person has a height greater than 179 cm Round your answer to four decimal places How many of the 80 people would you expect to be taller than 179 cm Round your answer to the nearest whole number people

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