mack8241 mack8241
  • 14-10-2019
  • Business
contestada

The manager of a retail store has taken a random sample of 100 customers. The average amount spent by these 100 customers was $75. It is known that the standard deviation of the amount spent is $8.20. If the confidence coefficient is increased from .90 to .95, the standard error of the mean

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ayoojb627
ayoojb627 ayoojb627
  • 16-10-2019

Answer:

$230

Explanation:

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