The pucks used by the National Hockey League for ice hockey must weigh between 5.5 and...

The pucks used by the National Hockey League for ice hockey must weigh between 5.5 and 6.0 ounces. Suppose the weights of pucks produced at a factory are normally distributed with a mean of 5.75 ounces and a standard deviation of 0.11 ounces. What percentage of pucks produced at this factory cannot be used by the National Hockey League?

Solutions

Expert Solution

X : the weights of pucks produced at a factory

X ~ N (5.75, 0.11)

the probability that the pucks are between 5.5 ounces and 6.0 ounces is:-

[ in any blank cell of excel type =NORMSDIST(2.2727)]

the percentage of pucks produced at this factory cannot be used by the National Hockey League is:-

*** if you have any doubt regarding the problem please write it in the comment box.if you are satisfied please give me a LIKE if possible...

orchestra answered 1 year ago

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